CN106471187A - Absorbent material sheet material, volume, reel cylinder and its manufacture method - Google Patents
Absorbent material sheet material, volume, reel cylinder and its manufacture method Download PDFInfo
- Publication number
- CN106471187A CN106471187A CN201480077911.2A CN201480077911A CN106471187A CN 106471187 A CN106471187 A CN 106471187A CN 201480077911 A CN201480077911 A CN 201480077911A CN 106471187 A CN106471187 A CN 106471187A
- Authority
- CN
- China
- Prior art keywords
- reel cylinder
- cylinder base
- puncherless
- base sheet
- area
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D21H27/002—Tissue paper; Absorbent paper
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
- A47K10/00—Body-drying implements; Toilet paper; Holders therefor
- A47K10/16—Paper towels; Toilet paper; Holders therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/18—Perforating by slitting, i.e. forming cuts closed at their ends without removal of material
- B26F1/20—Perforating by slitting, i.e. forming cuts closed at their ends without removal of material with tools carried by a rotating drum or similar support
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
- B65H35/04—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators
- B65H35/08—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators from or with revolving, e.g. cylinder, cutters or perforators
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D21H27/002—Tissue paper; Absorbent paper
- D21H27/004—Tissue paper; Absorbent paper characterised by specific parameters
- D21H27/005—Tissue paper; Absorbent paper characterised by specific parameters relating to physical or mechanical properties, e.g. tensile strength, stretch, softness
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D21H27/02—Patterned paper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2301/00—Handling processes for sheets or webs
- B65H2301/40—Type of handling process
- B65H2301/41—Winding, unwinding
- B65H2301/414—Winding
- B65H2301/4148—Winding slitting
- B65H2301/41484—Winding slitting slitting roll after winding, i.e. cutting log into individual rolls
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2301/00—Handling processes for sheets or webs
- B65H2301/50—Auxiliary process performed during handling process
- B65H2301/51—Modifying a characteristic of handled material
- B65H2301/515—Cutting handled material
- B65H2301/5152—Cutting partially, e.g. perforating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2301/00—Handling processes for sheets or webs
- B65H2301/50—Auxiliary process performed during handling process
- B65H2301/51—Modifying a characteristic of handled material
- B65H2301/515—Cutting handled material
- B65H2301/5153—Details of cutting means
- B65H2301/51532—Blade cutter, e.g. single blade cutter
- B65H2301/515323—Blade cutter, e.g. single blade cutter rotary
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2301/00—Handling processes for sheets or webs
- B65H2301/50—Auxiliary process performed during handling process
- B65H2301/51—Modifying a characteristic of handled material
- B65H2301/515—Cutting handled material
- B65H2301/5153—Details of cutting means
- B65H2301/51532—Blade cutter, e.g. single blade cutter
- B65H2301/515326—Multiple blade cutter
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/10—Handled articles or webs
- B65H2701/19—Specific article or web
- B65H2701/1924—Napkins or tissues, e.g. dressings, toweling, serviettes, kitchen paper and compresses
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Absorbent Articles And Supports Therefor (AREA)
- Sanitary Thin Papers (AREA)
- Making Paper Articles (AREA)
- Nonwoven Fabrics (AREA)
Abstract
A kind of absorbent material sheet material (59), there is the whole width to limit absorbent material sheet material for the contrary sheet material lateral edges separated from one another, absorbent material sheet material includes the multiple weak areas separating according to machine direction (MD) along absorbent material sheet material, each weak area is substantially transverse to machine direction (MD) and extends, each weak area limits two adjacent individual absorption sheet portion (19), each weak area is tear string (50A, 51A, 52A).Tear string (50A, 51A, 52A) includes two marginal areas (56) and a central area (55), from sheet material lateral edges initially towards central area, from another sheet material lateral edges initially towards central area, central area (55) include alternate perforated portion (60 in second edge region in first edge region, 62,64,66,68) and puncherless portion (61,63,65,67,69).Marginal area (56) is imperforated, is constituted the attachment levels in tear string (50A, 51A, 52A) between two adjacent individual absorption sheet portion (19) with this.
Description
Technical field
An aspect of of the present present invention is related to a kind of absorbent material sheet material and the absorbent material sheet material around rolling.The present invention's
On the other hand relate to manufacture the reel cylinder base sheet being made up of absorbent material of this volume.Another aspect of the present invention
The method relating to manufacture the volume of absorbent material sheet material.Absorbent material sheet material can be by tissue paper width (by conventional wet
Pressure or Tad method or other manufacture method are obtained) make or by adhesive-bonded fabric (by air lay manufacture method or
Filature fleece formation manufacture method or other manufacture method are obtained) make.This kind of absorbent sheet product can be special, but nonexclusive
, for health or house purposes.For example, this kind of absorbent sheet product be used as napkin, toilet paper towel, bathroom napkin,
Face-cloth, cloth for cleaning, kitchen towels, etc..
Background technology
Tissue paper towel refers to a kind of absorbent paper based on cellulose fibre, and it is also referred to as tissue paper base in this area
Sheet material.Typical absorbent paper has 10-50g/m2Low basic weight.
Adhesive-bonded fabric including cellulose fibre refers to such a absorbent paper, and it is also referred to as in the art
The non-woven fabrics being made up of fiber or width such as air lay width.The basis weight range of typical absorbent paper is in 30 to 250g/m2, preferably
Ground, 40 to 200g/m2.
Fig. 1 schematically shows the manufacture method of the volume of absorbent sheet 4 in prior art.More precisely, Fig. 1's
In the stage, absorbability reel cylinder base sheet 1 is made according to known paper manufacturing streams.Fig. 1 illustrates the follow-up stage, and it is to send out
The stage of raw flow path switch.Flow path switch by big father's reel cylinder base sheet 1 (for example, fabric width from 1,80m to 7m) change to
The volume 4 of retail size, for example, bathroom paper towel roll, paper towel roll (for example, fabric width from 8 to 40cm).More specifically, reel cylinder is basic
Sheet material 1 is fed in the space of punch unit 10, and punch unit 10 includes a perforating roller and a fixed bearing roller.Single in perforation
In, reel cylinder base sheet 1 tear string 5 (in figure is illustrated by dotted line) desirably is punched (step S1).Tearing
Line 5 is according to the line made on reel cylinder base sheet 1 thickness across the direction CD of machine, and it includes alternate perforated portion
With puncherless portion (that is, two perforated portions are separated by a puncherless portion, or vice versa as the same).Each is puncherless, and portion forms reel cylinder
Attachment levels (according to machine direction MD) between two sequential portions of base sheet.Each perforated portion constitutes reel cylinder base
Separated region between two sequential portions (according to machine direction MD) of plinth sheet material.Two tear strings 5 in succession are in absorbability
Independent sheet length section L is limited on the volume 4 of material sheet, for example, typically, the length of the sheet material of bathroom paper towel roll exists
33cm about.In Fig. 1, the parallel ghost 20-27 of multiple direction MD with machine also identifies in reel cylinder base sheet 1 to go out
In diagram purpose.Ghost 20-27 is being spaced apart on the direction CD direction of machine.They schematically show reel cylinder
Base sheet 1 will be cut into the imaginary line of multiple independent absorbent material sheet material volumes 4.Between two ghost in succession away from
From the overall with width equal to individual volume 4.After punching step (S1), the reel cylinder base sheet 1 of perforated passes through rewinding unit
11 are coiled (step S2) on core 3 to form the reel cylinder 2 of winding.Various types of rewinding units are wide in tissue industry
General utilization, such as center re-reeler or surface re-reeler.This rewinding unit is not the emphasis of the present invention, and here is no longer concrete
Diagram and description.Once reaching (the substantially restriction corresponding to the separate sheet winding with reel cylinder of desired former drum diameter
Quantity), reel cylinder base sheet 1 be cut off.The reel cylinder 2 made separates (step S3) from reel cylinder base sheet 1 and goes out
Come, with starting to manufacture new reel cylinder.The loose end forming the obtained afterbody of reel cylinder base sheet of reel cylinder 2 is with public affairs
Know that mode is attached to reel cylinder.Become multiple only by multiple reel barrel saw 40-47 cutting (step S4) after the reel cylinder 2 made
Vertical absorbent material sheet material volume 4.Prepared reel cylinder 2 cuts accordingly by multiple void on reel cylinder 2 surface made
Phantom lines 30-37 represents.
In tissue industry, large-scale production amount limits means the typical rate in flow path switch and tension force.For example, speed
Can be configured so that 650m/min.Under this kind of speed, in father's reel cylinder base sheet, the tension force required for winding volume may surpass
Cross the tensile strength of tear string.This leads to reel cylinder base sheet to rupture, and that is, reel cylinder base sheet is split along tear string.
Well known, the tensile strength needing to adjust tear string is solving this problem.However, the tensile strength increasing tear string can
User can be led to dissatisfied to volume or volume is difficult to be allocated.Really, user's needs could be by single paper using very big pulling force
Piece is along tear string from volume suitably separately.
Document US6,010,090 discloses a kind of method to width perforation.Elongated paper web is bored a hole along multiple horizontal lines with shape
Become a plurality of web area generally along paper web longitudinal extension, this web area has relatively high tensile strength.Perforation line
Can be made up of the staggered perforation line comprising multigroup perforation, these multigroup perforation are separated by unperforated annular region, or by interlocking
Perforation line separates, and described staggered perforation line comprises multigroup perforation with relatively low tensile strength, and it is had phase by multigroup
Perforation to high tensile strength is separated.
Accordingly, it would be desirable to improving the manufacture method of absorbent sheet volume and/or connecting separate sheet in absorbent sheet volume
It is connected together so that it is more easy to allocated mode.Additionally, this to be obtained in the way of economical or cost-effective.
Content of the invention
It is an object of the invention to provide a kind of manufacture method, the shortcoming which overcoming the manufacture method of prior art.This
The another object of invention is to provide a kind of rolling method, the shortcoming which overcoming volume of the prior art.
According to one side, provide a kind of absorbent material sheet material, it has the contrary sheet material lateral edges being spaced apart from each other,
To limit the full width of absorbent material sheet material, absorbent material sheet material include multiple according to machine direction along absorbability material
The weakness zone that media sheet is spaced apart, each weakness zone extends along the direction substantial transverse with machine direction, and each is weak
Region limits two adjacent independent absorbent sheet parts, and each weakness zone is tear string.
Wherein
- tear string includes two marginal areas and a central area, and first edge region is opened from one of sheet material lateral edges
Begin towards central area, from another sheet material lateral edges initially towards central area, central area includes replacing in second edge region
Perforated portion and puncherless portion.
- described marginal area is imperforated, in order to constitute in tear string between two adjacent individual absorption sheet portion
Join domain.
- marginal area can be about 4% to about 20% with the width ratio scope of central area.
The width range of marginal area may be about 3mm to about 10mm.
Central area may include the alternate perforated portion and puncherless portion according to hole pattern, described hole pattern include by
At least two perforated portions that one puncherless portion is spaced apart, each width is roughly equal.
Central area may include the alternate perforated portion and puncherless portion according to hole pattern, and described hole pattern includes many
Individual perforated portion, two adjacent perforated portions are spaced apart by a puncherless portion, and each perforated portion has from lateral edges to contrary
The width that lateral edges are gradually increased, the width in each is puncherless portion is consistent.
Central area may include the alternate perforated portion and puncherless portion according to hole pattern, and described hole pattern includes many
Individual perforated portion, two adjacent perforated portions are spaced apart by a puncherless portion, and each is puncherless, and portion has from lateral edges to phase
Toss about the width that edge is gradually increased, the width of each perforated portion is consistent.
On the other hand according to, provide a kind of volume of absorbent material sheet material, it include around be rolled onto core or on itself by
Absorbent material sheet material according to the present invention.
According on the other hand, provide a kind of purposes of the absorbent material sheet material according to the present invention, be selected from down for manufacturing
State group absorbent sheet product, this group includes paper napkin, towel, kitchen towels, towel, toilet paper, cloth for cleaning and face-cloth.
According to still further aspect, provide a kind of reel cylinder base sheet being made up of absorbent material, it has and divides each other
The contrary two reel cylinder lateral edges separating are to limit the overall width of this reel cylinder base sheet, reel cylinder base sheet bag
Include multiple weak areas that machine direction MD according to reel cylinder base sheet separates, each weak area along reel cylinder base sheet
Be substantially transverse to described machine direction and extend, each weakness zone be a tear string, reel cylinder base sheet include a plurality of with
What machine direction was parallel represents the ghost of the imaginary line for cutting reel cylinder base sheet,
Wherein：
- tear string includes the multiple continuous first edge from reel cylinder lateral edges to another reel cylinder lateral edges
Region, central area and second edge region, central area includes alternate perforated portion and puncherless portion,
- described marginal area is imperforated, and
- every ghost is located at the border between two adjacent edge region, thus constitute in tear string two adjacent in
Attachment levels between heart district domain.
In every tear string, one of two central areas can be replaced by puncherless area, and two of which is in succession
Tear string interlocks so that all central areas are respectively positioned between two adjacent ghost according to the direction CD across machine.
According on the other hand, provide a kind of reel cylinder of absorbent material sheet material, including by core or with oneself
The reel cylinder base sheet made of the absorbent material according to the present invention.
According on the other hand, providing a kind of manufacture method of absorbent material sheet material volume, comprise the following steps：
- reel being made up of absorbent material cylinder base sheet is fed in punch unit, reel cylinder base sheet has
There are two contrary reel cylinder lateral edges separated from one another to limit the whole width of reel cylinder base sheet；
- limit the multiple weak areas separating according to machine direction MD of reel cylinder base sheet along reel cylinder base sheet
Domain, each weakness zone is substantially transverse to machine direction MD and extends, by each weakness zone is punching into tear string；
- limiting a plurality of ghost (20-27) parallel to machine direction MD in reel cylinder base sheet, it represents and is used for
The imaginary line of cutting reel cylinder base sheet；
- by the reel being punched cylinder base sheet on core or from to form reel cylinder；
- when reaching predetermined former drum diameter, the reel cylinder base sheet through punching for the cut-out；
- reel cylinder is cut into multiple individual volume of absorbent material piece；
- from reel cylinder lateral edges to another reel cylinder lateral edges, each tear string punching is multiple continuous
First edge region, central area and second edge region, central area includes alternate perforated portion and puncherless portion；
- described marginal area is not bored a hole；And
- the boundary that is positioned between two adjacent marginal areas by every ghost is formed in described tear string with this
Attachment levels between two adjacent central areas.
Alternatively, in tear string, one of two central areas can be replaced by puncherless area, and two of which is in succession
Tear string interlocks according to the direction CD across machine, and thus all central areas are respectively positioned between two adjacent ghost.
According to the present invention, its independent piece in can improving the manufacture method of the volume of absorbent material sheet material and/or rolling up
Material is attached to together in the way of being easy to distribution.Additionally, passing through the present invention, the connection between allocated phase, two separate sheet
Knot allows them just to be separated with compared with prior art less pulling force.Therefore, distribution becomes easy.Particularly, change
It has been apt to the distribution between sheet material and sheet material.
According to the following explanation of the present invention, other advantages will be apparent from.
Brief description
The present invention is illustrated by way of example but is not limited to accompanying drawing, and in accompanying drawing, similar labelling represents similar components：
Fig. 1 schematically shows the manufacture method of the volume of the absorbent material sheet material according to prior art；
The reel cylinder of Fig. 2 schematically absorbent material sheet material according to the first exemplary embodiment of the present invention shown partially
Manufacture method；
The reel cylinder of Fig. 3 schematically absorbent material sheet material according to the second exemplary embodiment of the present invention shown partially
Manufacture method；
Fig. 4 is the perspective view of the reel cylinder schematically showing the absorbent material sheet material according to first or second embodiments；
Fig. 5 and Fig. 6 is the perspective respectively schematically illustrating the punch unit for the first and second exemplary embodiments
Figure；And
Fig. 7 to 11 schematically shows for multiple hole pattern (top) of the punch unit shown in Fig. 5 and Fig. 6 and corresponding
Cutter (bottom).
Specific embodiment
The system of Fig. 2 schematically reel cylinder of the absorbent sheet according to the first exemplary embodiment of the present invention shown partially
Make method.More specifically, Fig. 2 schematically shown partially by paper machine generate reel cylinder base sheet 1 after occur turn
Change operation.In this stage, reel cylinder base sheet 1 is fed into conversion line.
In fig. 2, for illustrating purpose, multiple ghost 20-27 parallel to machine direction MD are also illustrated in reel cylinder base
On plinth sheet material 1.Ghost 20-27 is spaced-apart on the direction CD of machine.Every ghost schematically shows vacation
Think line, reel cylinder base sheet 1 will be cut to form absorbent material sheet material at the end of flow path switch at imaginary line
Multiple individual volume.Therefore, two adjacent ghost limit the following edge of individual volume.Distance between two ghost in succession
Whole width equal to individual volume.
Reel cylinder base sheet 1 is fed in the space of punch unit 10, that is, in perforating roller 11 He of punch unit 10
Between backing roll 12.Punch unit 10 will specifically describe with reference to Fig. 5 and Fig. 6.Reel cylinder base sheet 1 is punched (step S1) and goes out
Tear string 50 (schematically shown by dashed lines), tear string 50 is to be formed on the thickness of reel cylinder base sheet 1 according to horizontal stroke
The line with composition weakness zone being formed across the direction CD (that is, transverse to machine direction MD) of machine.According to the present invention, tear string
50 include multiple continuous bases across two marginal areas 56 of the direction CD of machine and a central area 55.First edge
Region is from separate sheet lateral edges initially towards central area 55.Second edge region is from another separate sheet lateral edges
Initially towards central area 55.Central area 55 includes alternate perforated portion and puncherless portion.Two marginal areas 56 are short
Puncherless portion.Central area 55 includes the perforated portion alternately having special hole pattern.The hole pattern of described perforated portion 55
To describe in detail with reference to Fig. 7 to Figure 11.Described hole pattern is according to the tear string 50 extending on the direction CD of machine
Repeat in whole length.The short puncherless portion of two marginal areas 56 is substantially handed over by corresponding ghost 20-27 in centre
Fork, or in other words, every ghost 20-27 positions the boundary between two adjacent edge region 56.Each perforated portion 55
It is located at the wide central authorities of the full width being limited by two adjacent ghost (such as 21 and 22), more specifically, illusory from two
The following edge of individual volume is limited at the equal distance alpha of line.Therefore, short puncherless portion 56 is according to the length of the direction CD across machine
Degree is labeled as 2 α.Perforated portion 55 is labeled as β according to the length of the direction CD across machine.Two tear strings 50 in succession limit
Separate sheet length L (for example, length is of about 33cm) in volume 4.
Length is that the short puncherless portion 56 of 2 α forms the side across machine along reel cylinder base sheet in tear string 50
Connected regions to CD.Short puncherless portion is formed along between upper two sequential portions of machine direction MD of reel cylinder base sheet
Multiple connected regions.By reasonable selection length 2 α, the tensile strength of tear string 50 is significantly improved.This avoids, extremely
Substantially decrease less, the fracture in reel cylinder base sheet production process.It is true that it is broken in reel cylinder base sheet
Damage can not be stretched along tear string 50, at least stretch and have any problem.As indefiniteness example, length 2 α can be selected in 8mm
Or it is more than 8mm (i.e. α >=4mm).
After punching step (S1), the reel cylinder base sheet 1 of perforated by (S2) core 3 (or alternatively around
On being wound around support, directly form centreless reel cylinder onto itself) to form winding reel cylinder 2 by recoiling unit 11.Then,
Although not describing but the manufacture method of volume similar to absorbent material sheet material shown in Fig. 1, as long as it is straight to reach predetermined reel cylinder
Footpath：
- reel cylinder base sheet 1 is cut off；
- reel the cylinder 2 made separates subsequently new reel cylinder from reel cylinder base sheet 1 to start to produce；
The loose end of the afterbody of reel cylinder base sheet on the made reel cylinder 2 of-formation is attached to reel cylinder；With
- reel the cylinder 2 made is cut into multiple independent volumes 4.
In view of the size of individual volume, the scope of the width ratio of marginal area and central area can about 4% (i.e.,
For individual volume sheet width be 200mm for, 2 α=2 × 4mm) to about 20% (that is, for the sheet width of individual volume
For 100mm, 2 α=2 × 10mm) between.
The reel cylinder of Fig. 3 schematically absorbent material sheet material according to the second exemplary embodiment of the present invention shown partially
Manufacture method.Second exemplary embodiment is from the different of the first exemplary embodiment：Reel cylinder base sheet 1 is punched
(step S1) goes out staggered tear string 51 and 52 (being schematically represented as dotted line).In two central areas in every tear string
One is replaced by a puncherless area, and two tear strings in succession are interlocked according to the direction CD across machine so that whole centers
Region is located in the middle of two adjacent ghost.More specifically, the adjacent tear string of two identicals in the first exemplary embodiment
50 are replaced by the first tear string 51 adjacent with the second tear string 52, and the first tear string 51 second tear string 52 relatively is across machine
The direction CD of device staggers or offsets setting.Additionally, tear string 51 or 52 includes the perforated portion alternately with special hole pattern
55 and long puncherless portion 56 (corresponding to two marginal areas and an imperforated central area).The perforation sample of perforated portion 55
Formula will describe in detail in conjunction with Fig. 7-11.Perforated portion 55 is located at and by two two-phase adjoint point line (for example, for the first tear string 51 is
Ghost 20,21) central authorities of whole fabric width that limit, more properly, the distance of perforated portion 55 two ghost of distance is
α, limits the following edge of individual volume.Equally, perforated portion 55 is labeled as β in the length on the direction CD of machine.With
One exemplary embodiment is compared, and the length in each long puncherless portion 56 of the second exemplary embodiment increases from the wide length of volume
2 α, or its length is changed into 2 alpha+beta+2 α=4 alpha+beta.Two tear strings 51 or 52 in succession limit the volume of absorbent material sheet material
Separate sheet length L (such as length is of about 33cm) in 4.Two adjacent tear strings 51 and 52 are on machine direction MD direction
Standoff distance δ.
Long puncherless portion 56 length is 4 alpha+betas, and it forms tear string 51, along reel cylinder base sheet across machine in 52
Attachment levels on the direction CD of device.Long puncherless portion along reel cylinder base sheet machine direction MD formed multiple at two
The connected regions between coupling part in succession.Therefore, the tensile strength leading to tear string 51,52 is significantly improved.This is avoided
, at least substantially decrease, the phenomenon of rupture of production process Central Plains reel base sheet.Reel cylinder base sheet broken
Damage can not be stretched along tear string 51 or 52, at least stretch and have difficulties.As indefiniteness example, it is left that length 2 α is selected in 8mm
Right or be more than 8mm (i.e. α >=4mm).
Fig. 4 is the absorbability schematically showing first embodiment or the manufacture of second embodiment shown in Fig. 3 according to Fig. 2
The perspective view of the individual volume 4 of material sheet.Volume 4 can be paper roll, such as roll of toilet paper or paper roll for kitchen use.Volume can be have core or
Centreless.Volume has horizontal tear string 50A, 51A, the 52A being uniformly spaced out, and described tear string is across absorbent material 59
The width of the individual volume of (for example, paper web) extends.Tear string 50A, 51A, 52A make individual scraps of paper 19 that predetermined length is L exist
Volume in the direction of the arrow unwinding when can tear and separate.Two separate sheet 19 (according to machine direction MD of sheet material) in succession it
Between two connected regions come from length be α each edge positioned at individual volume short puncherless portion, it is chosen to be suitably in α
Separation from volume 4 for each separate sheet 19 will not be weakened during value.
Fig. 5 is shown schematically for manufacture method according to the first exemplary embodiment in reel cylinder base sheet 1
The perspective view of the punch unit 10 of punching.
Punch unit 10 includes perforating roller 11 and backing roll 12.Space 18 is limited between said two devices.Perforating roller 11 holds
Carry at least one cutter, such as two cutters 14,15.In this indefiniteness example, the first cutter 14 is with respect to the second cutter
15 with 180 degree setting.More cutters and different orientation angles are also possible.Backing roll 12 carries a screw blade
13.Perforating roller 11 and backing roll 12 all rotate and make when reel cylinder base sheet 1 is fed in space 18, its by cutter 14 or
The motion of similar shears between one of 15 with screw blade 13 and be punched.
In the 5 embodiment of figure 5, cutter 14,15 all extend along the width of perforating roller 11.Described width at least corresponds to former
The width of reel base sheet 1 or the width of reel cylinder 2.Each cutter is used for cutting tear string in reel cylinder base sheet 1
50 (see Fig. 2).Each cutter 14,15 includes multiple regions 16, and each region corresponds to a perforated portion 55, and perforated portion 55 has can
The hole pattern of the determination selecting the hole pattern shown in from Fig. 7-11.Each region 16 and adjacent area 2 α separated by a distance.
Fig. 6 schematically shows and according to the manufacture method of the second exemplary embodiment, reel cylinder base sheet 1 is rushed
Another punch unit 10 in hole.The embodiment of Fig. 6 is different from the embodiment of Fig. 5 to be, cutter 14 and 15 all includes the area of segmentation
Domain 16.Similarly, the region 16 of each segmentation corresponds to perforated portion 55, and perforated portion 55 has can the perforation sample shown in from Fig. 7-11
The restriction hole pattern selected in formula.First cutter 14 be used in absorbability reel cylinder base sheet 1 cutting tear string 51 (see
Fig. 3).Second cutter 15 is used for cutting the second tear string 52 (see Fig. 3) in absorbability reel cylinder base sheet 1.First cutter
14 region 16 is with respect to region 16 offset distance 2 α (corresponding to two adjacent puncherless marginal areas) of the second cutter 15
To be punched out along staggered tear string 51 and 52 to reel cylinder base sheet 1.
Fig. 7 schematically shows the first exemplary puncture pattern of perforated portion 55A (top) and the area of corresponding cutter 14,15
Domain 16A (bottom).Perforated portion 55A includes two perforated portions 60, and two perforated portions 60 are separated by a puncherless portion 61.Puncherless portion
Attachment levels between two sequential portions (according to machine direction MD) of 61 composition reel cylinder base sheet.Each perforated portion 60
Constitute the separated region between two sequential portions (according to machine direction MD of paper) of reel cylinder base sheet.Cutter 14,15
Region 16A include a series of component of the blade corresponding with the first exemplary puncture pattern and notch.
Fig. 8 schematically shows the second exemplary puncture pattern of perforated portion 55B (top) and the area of corresponding cutter 14,15
Domain 16B (bottom).Perforated portion 55B includes four perforated portions 62, and two adjacent perforated portions 62 are spaced by a puncherless portion 63
Open.Cutter 14,15 region 16B includes a series of component of the blade corresponding with the second exemplary puncture pattern and notch.
Fig. 9 schematically shows the 3rd exemplary puncture pattern and the corresponding cutter 14 of perforated portion 55C (top), 15 area
Domain 16C (bottom).Perforated portion 55C includes 18 perforated portions 64, between two adjacent perforated portions 64 are by a puncherless portion 65
Separate.Cutter 14,15 region 16C includes a series of component of the blade corresponding with the second exemplary puncture pattern and notch.
Figure 10 schematically shows the 4th exemplary puncture pattern and the corresponding cutter 14 of perforated portion 55D (top), 15
Region 16D (bottom).Perforated portion 55D includes multiple perforated portions 66, between two adjacent perforated portions 66 are by a puncherless portion 67
Separate.The width of each perforated portion 66 is along perforated portion 55D as shown from left to right (or contrary) increases.The width in each puncherless portion 67
It is consistent along perforated portion 55D.Cutter 14,15 region 16D includes a series of knives corresponding with the second exemplary puncture pattern
Piece element and notch.The width of component of the blade increases along the region 16D of cutter, and the width of notch is consistent.
Figure 11 schematically shows the 5th exemplary puncture pattern and the corresponding cutter 14 of perforated portion 55E (top), 15
Region 16E (bottom).Perforated portion 55E includes multiple perforated portions 68, and two adjacent perforated portions 68 are spaced by a puncherless portion 69
Open.The width of each perforated portion 68 is consistent along perforated portion 55E.The width in each puncherless portion 69 such as shown from left to right (or phase
Instead) increase along perforated portion 55D.Cutter 14,15 region 16E includes a series of blades corresponding with the second exemplary puncture pattern
Element and notch.The width of component of the blade is consistent along the region 16D of cutter, and the width of notch increases.
According to the hole pattern shown in Fig. 7-11, the quantity in the quantity of perforated portion and puncherless portion is in non-limiting manner, this
The suitable number of other in the range of application inventive concept is also feasible.
The absorption product sheet material volume of the present invention can be distributed by multiple allotters, such as central supply type allotter, and it is used for
From volume center distribution sheet material, or tangential supply type allotter, for from roll up circumscribed from distribute sheet material.
To the sheet material according to prior art and the present invention, establishing criteria CEN 12625-4 (determines that napkin and cotton paper produce respectively
The tensile strength of product, stretching during fracture and tensile energy absorption) measure its tensile strength.To according to prior art and
The test of the 50mm width 150mm length that the present invention produces is surveyed to tensile strength with tissue paper piece establishing criteria CEN12625-4
Examination.Including alternate size PS in 4mm about perforated portion 60,62,64,66,68 and size US in 1mm about puncherless portion
It is 20% (1mm is than 5mm) that the characteristic of 61,63,65,67,69 central area gives puncherless rate or combination rate.Perforation sample
Formula is one of shown in Fig. 9.
Stretching strength measurement：
Reel cylinder base sheet according to the present invention can be by with rate conversion typical in industry, such as up to 650 ° m/
Min does not still have sheet material tear and occurs.This represents each the weak area (tearing when being admitted to converting machine of reel cylinder base sheet
Line) tensile strength be enhanced.Additionally, the tensile strength of sheet material (for example, being wound up as individual volume) and prior art phase
Ratio is similar, or even than little, thus show and be more easy to be allocated.Especially, width (α) scope of marginal area be 3mm extremely
About 5mm, this make tensile strength aspect very excellent so that distribution be easier.This is amazing result, because
For regardless of the size of marginal area (in described scope) and suitable puncherless ratio, the stretch-proof of the tear string of sheet material
Intensity is all equal or at least similar, even if allotter is bad, the tensile strength obtaining increase still can the phase.
Accompanying drawing above and its description are only exemplary rather than limiting the present invention.
In description and accompanying drawing, each weakness zone (tear string) is described and/or is shown as substantially transverse to machine
Device direction extends.This should be interpreted as having broad sense it is meant that weakness zone can incline with respect to the direction CD across machine
Tiltedly, the example at angle of inclination is ± 10 °.
The invention is not restricted to the packaging as volume of Description of Drawings.It is true that absorbent material sheet material also can be packaged into
Stacking.
Being widely used of absorbent sheet product, including many outdoor, at home or hygiene applications, for example, paper towel, kitchen
Napkin, hand towel, toilet paper, cloth for cleaning, medicated napkin, bathroom napkin, diaper etc..
Reference in any claim is not construed as the limitation to right." inclusion " should not exclude power
Profit requires the other projects outside Listed Items." one " before element or " at least one " should not exclude multiple this elements.
Claims (13)
1. a kind of absorbent material sheet material (59), has contrary sheet material lateral edges separated from one another to limit absorbent sheet
Overall width, absorbent material sheet material includes the weak area separating according to machine direction (MD) along absorbent material sheet material,
Each weak area is substantially transverse to described machine direction (MD) and extends, and each weak area defines two adjacent individual absorption
Property sheet portion (19), each weak area be tear string (50A, 51A, 52A),
Described absorbent material sheet material is characterised by：
- tear string (50A, 51A, 52A) includes two marginal areas (56) and a central area (55), and first edge region is from one
, initially towards central area, second edge region is from another sheet material lateral edges towards central area, center for individual sheet material lateral edges
Region (55) includes alternate perforated portion (60,62,64,66,68) and puncherless portion (61,63,65,67,69),
- described marginal area (56) is imperforated, thus constitute the interior two adjacent independences of tear string (50A, 51A, 52A) inhaling
Attachment levels between the property received sheet portion (19).
2. absorbent material sheet material according to claim 1, wherein marginal area (56) is with respect to the width of central area
The scope of ratio is of about 4% to about 20%.
3. absorbent material sheet material according to claim 1, the width range of wherein marginal area (56) be of about 3mm extremely
About 10mm.
4. the absorbent material sheet material according to any one of claim 1-3, wherein, central area (55) include according to
The alternate perforated portion (60,62,64) of lower hole pattern and puncherless portion (61,63,65), described hole pattern is included by one
At least two perforated portions that puncherless portion separates, perforated portion and the puncherless portion width of each are substantially equal.
5. the absorbent material sheet material according to any one of claim 1-3, wherein, central area (55) include according to
The alternate perforated portion (66) of lower hole pattern and puncherless portion (67), described hole pattern includes multiple perforated portions, two phases
Adjacent perforated portion is separated by a puncherless portion, and each perforated portion (66) has to be increased to contrary lateral edges from lateral edges
Width, the width in each is puncherless portion (67) is consistent.
6. the absorbent material sheet material according to any one of claim 1-3, wherein, central area (55) include according to
The alternate perforated portion (68) of lower hole pattern and puncherless portion (69), described hole pattern includes multiple perforated portions, two phases
Adjacent perforated portion is separated by a puncherless portion, and each is puncherless, and portion (69) has from lateral edges to contrary lateral edges increasing
Plus width, the width of each perforated portion (68) is consistent.
7. the volume (4) of a kind of absorbent material sheet material, goes up or from it according in claim 1-6 including being wound up into core (3)
Absorbent material sheet material (59) described in any one.
8. the purposes of the absorbent material sheet material according to any one of claim 1-6, for manufacturing selected from the following group
Absorbent sheet product, this group includes napkin, paper towel, kitchen towels, towel, toilet paper, cloth for cleaning and face-cloth.
9. a kind of reel cylinder base sheet (1) being made up of absorbent material, has contrary reel cylinder side separated from one another
Edge is included according to reel cylinder base sheet (1) with limiting the whole width of reel cylinder base sheet, reel cylinder base sheet (1)
The weak area that separates along reel cylinder base sheet of machine direction (MD), each weak area is substantially transverse to machine direction
(MD) extend, each weak area is tear string (50,51,52), reel cylinder base sheet (1) includes a plurality of and machine direction (MD)
Parallel expression is used for cutting the ghost (20-27) of the imaginary line of reel cylinder base sheet (1),
Reel cylinder base sheet (1) is characterised by：
- tear string (50,51,52) is included from reel cylinder lateral edges to multiple continuous the of another reel cylinder lateral edges
One marginal area (56), central area (55) and second edge region (56), central area (55) include alternate perforated portion
(60,62,64,66,68) and puncherless portion (61,63,63,65,67,69),
- described marginal area (56) is imperforated, and
- every ghost (20-27) is located at the boundary between two adjacent marginal areas (56), thus constitutes tear string
Attachment levels between two adjacent central areas (55) in (50,51,52).
10. reel cylinder base sheet according to claim 9, two central areas in wherein every tear string (51,52)
One of replaced by puncherless area, and two of which tear string (51,52) in succession is according to across the direction (CD) of machine
Interlock so that all central areas (55) are respectively positioned between two adjacent ghost (20-27).
A kind of 11. reel cylinders of absorbent material sheet material (2), go up or from it according to claim 9 including being wound up into core (3)
Or reel cylinder base sheet (1) being made up of absorbent material described in 10.
A kind of 12. manufacture methods of the volume of absorbent material sheet material, comprise the following steps：
- reel being made up of absorbent material cylinder base sheet is supplied (S1) in punch unit, reel cylinder base sheet has
There is the whole width to limit reel cylinder base sheet for the contrary reel cylinder lateral edges separated from one another；
- limit the weakness zone separating according to machine direction MD of reel cylinder base sheet along reel cylinder base sheet, each
Weakness zone is substantially transverse to machine direction MD and extends, and this is completed for tear string by being punched each weakness zone：
- limiting a plurality of ghost parallel to machine direction MD in reel cylinder base sheet, it represents for cutting reel
The imaginary line of cylinder base sheet；
- the reel cylinder base sheet through punching is wound (S2) on core or on its own to form reel cylinder；
- when reaching desired former drum diameter, cut off (S3) reel cylinder base sheet through punching；
- reel cylinder is cut multiple individual volume that (S4) becomes absorbent material sheet material；
Described manufacture method is characterised by also including：
- from reel cylinder lateral edges to another reel cylinder lateral edges, each tear string punching is multiple continuous first
Marginal area, central area and second edge region, central area includes alternate perforated portion and puncherless portion；
- described marginal area is puncherless；And
- every ghost is positioned the boundary between two adjacent marginal areas thus formed in tear string two adjacent
Central area between attachment levels.
One of two central areas in manufacture method described in 13. claim 12, wherein tear string are puncherless by one
Area replaces, and two of which tear string in succession interlocks according to the direction CD across machine, thus all central areas are all positioned
Article two, between adjacent ghost.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/IB2014/001032 WO2015155563A1 (en) | 2014-04-10 | 2014-04-10 | A sheet of absorbent material, roll, log and method for manufacturing the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106471187A true CN106471187A (en) | 2017-03-01 |
Family
ID=51293104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480077911.2A Pending CN106471187A (en) | 2014-04-10 | 2014-04-10 | Absorbent material sheet material, volume, reel cylinder and its manufacture method |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20170037579A1 (en) |
| EP (1) | EP3129551A1 (en) |
| CN (1) | CN106471187A (en) |
| AU (1) | AU2014390217B2 (en) |
| MX (1) | MX2016013219A (en) |
| RU (1) | RU2016144004A (en) |
| WO (1) | WO2015155563A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110461293A (en) * | 2017-03-10 | 2019-11-15 | 易希提卫生与保健公司 | The coreless roll of absorbability web of tissue paper |
| CN111133148A (en) * | 2017-09-29 | 2020-05-08 | 易希提卫生与保健公司 | Coreless roll of absorbent sheet and method for manufacturing the same |
| CN111824839A (en) * | 2020-07-14 | 2020-10-27 | 安徽赛福电子有限公司 | Wet tissue capable of being cut freely and package body |
| CN114007450A (en) * | 2019-06-07 | 2022-02-01 | 公共技术（Na）有限责任公司 | Carton-like filter kit made of cardboard, preform for its manufacture and package thereof |
| US20230059906A1 (en) * | 2018-10-26 | 2023-02-23 | The Procter & Gamble Company | Paper towel rolls |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2015393431B2 (en) * | 2015-04-30 | 2020-06-18 | Kimberly-Clark Worldwide, Inc. | Plurality of integrally interconnected wipes for use in dispenser |
| USD880875S1 (en) * | 2018-05-09 | 2020-04-14 | Alva Ellis | Restroom paper |
| IT201800020542A1 (en) * | 2018-12-27 | 2020-06-27 | Fameccanica Data Spa | DEVICE FOR DRILLING A CANVAS, APPARATUS AND PROCEDURE |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2053786A (en) * | 1934-11-14 | 1936-09-08 | Louis A Straubel | Method of forming paper rolls |
| US4551374A (en) * | 1984-06-20 | 1985-11-05 | The Holmberg Company | Continuous sheet with perforated tear-off driving edge and recessed reinforced inner edge |
| US6010090A (en) * | 1998-12-11 | 2000-01-04 | Paper Converting Machine Co. | Method of perforating a web |
| US20090155512A1 (en) * | 2007-12-13 | 2009-06-18 | Tsutama Satake Neto | Rolls of material providing one-handed dispensing of sheets of pre-determined length |
| US20120237711A1 (en) * | 2006-10-31 | 2012-09-20 | Georgia-Pacific Consumer Products Lp | Method for Manufacturing a Sheet Product for Use in a Dispenser and Strip of Sheet Product |
-
2014
- 2014-04-10 AU AU2014390217A patent/AU2014390217B2/en not_active Ceased
- 2014-04-10 WO PCT/IB2014/001032 patent/WO2015155563A1/en active Application Filing
- 2014-04-10 RU RU2016144004A patent/RU2016144004A/en not_active Application Discontinuation
- 2014-04-10 EP EP14747978.6A patent/EP3129551A1/en not_active Withdrawn
- 2014-04-10 US US15/303,110 patent/US20170037579A1/en not_active Abandoned
- 2014-04-10 MX MX2016013219A patent/MX2016013219A/en unknown
- 2014-04-10 CN CN201480077911.2A patent/CN106471187A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2053786A (en) * | 1934-11-14 | 1936-09-08 | Louis A Straubel | Method of forming paper rolls |
| US4551374A (en) * | 1984-06-20 | 1985-11-05 | The Holmberg Company | Continuous sheet with perforated tear-off driving edge and recessed reinforced inner edge |
| US6010090A (en) * | 1998-12-11 | 2000-01-04 | Paper Converting Machine Co. | Method of perforating a web |
| US20120237711A1 (en) * | 2006-10-31 | 2012-09-20 | Georgia-Pacific Consumer Products Lp | Method for Manufacturing a Sheet Product for Use in a Dispenser and Strip of Sheet Product |
| US20090155512A1 (en) * | 2007-12-13 | 2009-06-18 | Tsutama Satake Neto | Rolls of material providing one-handed dispensing of sheets of pre-determined length |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110461293A (en) * | 2017-03-10 | 2019-11-15 | 易希提卫生与保健公司 | The coreless roll of absorbability web of tissue paper |
| CN111133148A (en) * | 2017-09-29 | 2020-05-08 | 易希提卫生与保健公司 | Coreless roll of absorbent sheet and method for manufacturing the same |
| US20230059906A1 (en) * | 2018-10-26 | 2023-02-23 | The Procter & Gamble Company | Paper towel rolls |
| US11952724B2 (en) * | 2018-10-26 | 2024-04-09 | The Procter & Gamble Company | Paper towel rolls |
| CN114007450A (en) * | 2019-06-07 | 2022-02-01 | 公共技术（Na）有限责任公司 | Carton-like filter kit made of cardboard, preform for its manufacture and package thereof |
| CN111824839A (en) * | 2020-07-14 | 2020-10-27 | 安徽赛福电子有限公司 | Wet tissue capable of being cut freely and package body |
| CN111824839B (en) * | 2020-07-14 | 2022-05-27 | 安徽赛福电子有限公司 | Wet tissue capable of being cut freely and package body |
Also Published As
| Publication number | Publication date |
|---|---|
| AU2014390217B2 (en) | 2017-02-16 |
| RU2016144004A (en) | 2018-05-10 |
| AU2014390217A1 (en) | 2016-10-20 |
| EP3129551A1 (en) | 2017-02-15 |
| WO2015155563A1 (en) | 2015-10-15 |
| RU2016144004A3 (en) | 2018-05-10 |
| MX2016013219A (en) | 2017-08-02 |
| US20170037579A1 (en) | 2017-02-09 |
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