CN1015795B - Tubular packaging film for filling worked foodstuff - Google Patents

Tubular packaging film for filling worked foodstuff

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Publication number
CN1015795B
CN1015795B CN88108410A CN88108410A CN1015795B CN 1015795 B CN1015795 B CN 1015795B CN 88108410 A CN88108410 A CN 88108410A CN 88108410 A CN88108410 A CN 88108410A CN 1015795 B CN1015795 B CN 1015795B
Authority
CN
China
Prior art keywords
membraneous material
weld line
packing
weld
membraneous
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.)
Expired
Application number
CN88108410A
Other languages
Chinese (zh)
Other versions
CN1036187A (en
Inventor
藤田宗信
吉田稔
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kureha Corp
Original Assignee
Kureha Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kureha Corp filed Critical Kureha Corp
Publication of CN1036187A publication Critical patent/CN1036187A/en
Publication of CN1015795B publication Critical patent/CN1015795B/en
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)
  • Packging For Living Organisms, Food Or Medicinal Products That Are Sensitive To Environmental Conditiond (AREA)
  • Processing Of Meat And Fish (AREA)
  • Meat, Egg Or Seafood Products (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)

Abstract

The purpose of the invention is to tear a film easily by a method wherein film rims of a cylindrical package are joined with inner surfaces facing each other and aligned together, the aligned portion is welded along a first weld line, the film rims protruding from the first weld line and the film which composes the package are welded together on a second weld line, the second weld line has a cut on its mid, the cylindrical package is sealed afer being filled with meat or like.

Description

Tubular packaging film for filling worked foodstuff
The present invention is filled to packing material in the cylindrical thin-film, the cylindrical thin-film packing material that the customer is opened easily with processed foods such as sausage or cheese.
Figure 11 the has represented filling example of prior art of cylindrical thin-film packing material of processed food such as sausage.
This packing material is shown in the section-drawing of Figure 12, two the marginal portion 1a and the 1b of the membraneous material 1 of inferior chlorovinyl series and so on is overlapping, with dielectric bonding or ultrasonic brazing unit etc. the lap welding is formed weld line S, form packing tube 10a cylindraceous thus.When making sausage, arriving in this packing tube 10a cylindraceous of the carnivorous filling of processing, and when making rod shape cheese, process cheese is filled in the packing tube 10a cylindraceous, then two ends of packing tube 10a length direction are received to disturb and tie tight, and tighten sealing with metal clamps 2 such as aluminium.
When making sausage, will process meat be filled to packing tube 10a interior after, just be transferred to cooking process.Because the internal pressure of packing tube 10a raises in cooking process, has produced tension force on membraneous material 1, the direction of this tension force shown in arrow F among Figure 12 is to weld line S generation effect.And in this prior art example, as shown in figure 12, membraneous material marginal portion 1a and 1b are almost mutually with flat state weld together overlappingly, though the power of representing with arrow F that tension force produced by membraneous material works to weld line S, but because the weld strength of weld line S is enough high concerning this power F, in cooking process, packing tube 10a also still is that difficulty is broken.
Yet during membraneous material 1 on will tearing above-mentioned cylindrical thin-film packing material, except catching with finger from the outwards outstanding membraneous material marginal portion 1a of weld line S, not having can be for the start-up portion that tears weld line S.And, catch this membraneous material marginal portion 1a very difficult really with finger owing to the marginal portion 1a that gives prominence to the membraneous material outside packing tube 10a is very short, therefore, it is just impossible to tear membraneous material from membraneous material marginal portion 1a.Like this, when the customer will tear membraneous material, just must on membraneous material 1, open a kerf earlier, then this otch be torn membraneous material as start-up portion, and then it is peeled from packaged object with pocket knife and so on instrument.Like this, in the past, when not having pocket knife and so on instrument at one's side, it is very difficult membraneous material being peeled from packaged object.
In addition, resemble cylindrical thin-film packing material rod shape cheese and so on, smaller, the Kaifeng band of dying color such as red is housed usually, draw this Kaifeng band just can make on the membraneous material 1 and produce cut.But, because the band that breaks a seal than other film for packaging material price height, uses to longer size the existing packing material of the band that breaks a seal so also just uneconomical because of the cost height.In addition, be used for the Kaifeng band on the packing materials such as rod shape cheese in the past, normally along being provided with endlong on the cylindrical thin-film packing material length direction, its two ends are tightened with membraneous material 1 together by clamp, therefore the Kaifeng band when packing tube 10a draws back, its two ends can win over clamp 2.Make whole packing tube 10a bow, the shortcoming that makes the packed article body deformability is arranged.
The objective of the invention is to solve above-mentioned existing in prior technology problem, a kind of cylindrical thin-film packing material (packaged object is contained in the packing tube, and two ends are tightened) is provided.This packing material also can easily be torn membraneous material even without dress Kaifeng band.And the weld strength of membraneous material marginal portion is also very high, can stand when making sausage the rising in its internal pressure of cooking process fully.
The present invention is two marginal portion welding with membraneous material, form packing tube cylindraceous, processed food is filled in this cylindrical package tube, simultaneously the closed at both ends on the packing tube length direction is made packaging film, it is characterized in that: two marginal portions of above-mentioned membraneous material are fitted the shape degree of putting the palms together before one that joins each other with the continuous two sides of the inside face of packing tube, and weld by first weld line, to be fitted in together on the outside face of packing tube from two marginal portions of the outward extending membraneous material of first weld line again, and by second weld line with two marginal portions of membraneous material with forms the membraneous material weld together of packing tube, and formation does not have soldered discontinuities on one section of this second weld line.
In addition, in foregoing invention,, on the edge of membraneous material, have breach (otch) in the discontinuities of second weld line.
Catch the membraneous material marginal portion of the discontinuities (do not have when welding soldered that part of) of second weld line of this cylindrical thin-film packing material with second weld line with finger, and its strip off, just can be two marginal portions that are welded on the membraneous material on the packing tube outside face from the second weld line strip off; Also can from the first weld line strip off, can make two marginal portions of membraneous material on the membraneous material that constitutes this part packing tube and produce cut according to different situations.Like this, two of membraneous material marginal portions can be brought into play with the Kaifeng that is installed separately with the membraneous material that constitutes packing tube in the prior art with roughly the same effect.By the marginal portion of strip off membraneous material, with regard to the membraneous material of tearable bale broken fitted tube, thereby just can be as with the start-up portion of membraneous material from the strip off of packed article surface.In addition, be preferably in gap (otch) on the membraneous material marginal portion of discontinuities of second weld line, like this, marginal portion that just can this part tear fracture membraneous material makes that the membraneous material marginal portion is easier to peel from packing tube.
In addition, since two marginal portions of membraneous material by first weld line with it inside face each other phase ground connection fit and become to put the palms together before one state ground weld together, then again by second weld line from the outside face weld together of two marginal portions of the outward extending membraneous material of first weld line with packing tube, it is quite high that the weld strength of membraneous material just becomes.Thus, even in the operations such as boiling when making sausage, producing under the situation of tension force on the membraneous material because of the internal pressure of packing tube raises, weld zone also can bear this tension force fully.
Below, with reference to Fig. 1～Figure 10 embodiments of the invention are described.In the accompanying drawings,
Fig. 1 is the front elevation of the cylindrical thin-film packing material of expression first embodiment of the present invention, Fig. 2 and Fig. 3 are the amplification profile of expression by the definite weld zone of weld line, Fig. 4 is the axonometric drawing of an example of the manufacturing installation of expression cylindrical thin-film packing material, Fig. 5 and Fig. 6 are the front elevations of example of Kaifeng method of the cylindrical thin-film packing material of expression first embodiment, Fig. 7 is the partial elevation view of the cylindrical thin-film packing material of expression second embodiment of the present invention, Fig. 8 is the partial elevation view of an example of Kaifeng method of the cylindrical thin-film packing material of second embodiment of expression, Fig. 9 and Figure 10 are respectively the amplification profiles of the cylindrical thin-film packing material of other embodiment, Figure 11 is the front elevation of the cylindrical thin-film packing material of expression prior art, and Figure 12 is the section-drawing of the cylindrical thin-film packing material of prior art.Wherein:
The 1-membraneous material, the marginal portion of 1a, 1b-membraneous material, the 2-clamp, the 3-breach,
10-cylindrical package tube, S 1-the first weld line, S 2-the second weld line,
The discontinuities of l-second weld line.
Fig. 1 is the front elevation of the cylindrical thin-film packing material of expression first embodiment of the present invention.
This embodiment is rolled into the membraneous material 1 of inferior chlorovinyl series one class to make packing tube 10 after cylindric.Constitute two marginal portion 1a of membraneous material 1 of packing tube 10 and 1b with high frequency or super sonic at S 1And S 2Article two, weld on the weld line.As shown in Figure 2, earlier two marginal portion 1a of membraneous material 1 and 1b are fitted and the continuous two sides of the inside face of the packing tube 10 ground connection state of putting the palms together before one mutually each other, by the first weld line S 1Welding (becoming the sealing of wing shape).Then, as shown in Figure 3, will be from the first weld line S 1Two marginal portion 1a of outwards outstanding membraneous material and 1b make on its outside face that is fitted in packing tube 10, along weld line S to the bending of any one side 2, with high frequency or super sonic with two marginal portion 1a, the 1b of membraneous material and the membraneous material three weld together of formation packing tube 10.As shown in Figure 1, at the second weld line S 2A certain section on have discontinuities l(not carry out that part of of welding for the second time), and on certain part of discontinuities, also have breach 3(otch).
When making sausage, the carnivorous inside that is filled to above-mentioned cylindrical package tube 10 of processing, when making rod shape cheese, process cheese is filled to the inside of packing tube 10, then two ends on packing tube 10 length directions are tightened, for example clamp sealing with metal clamp 2 grades such as aluminium.
Fig. 4 represents to be used to make an example of the device of above-mentioned packing tube 10.Wherein label 11 is the filler ozzle, processes meat etc. with these filler ozzle 11 fillings.The formed parts 12 of membraneous material is contained in the exterior circumferential of filler ozzle 11.Banded membraneous material 1 is supplied with through feed roller 13 and 14, forms cylindric by film shaped member 12.On formed parts 12, installing an a pair of slit guide plate 12a respect to one another and the 12b of separating, by guide plate 12a and 12b the marginal portion 1a of membraneous material 1 is being fitted with 2b and become to put the palms together before one state.High- frequency electrode 15 and 16 is contained in bottom's (15 for anodal, and 16 is negative pole) of formed parts 12 relative to one another.Two the marginal portion 1a and the 1b of the such packing tube of endless cylindraceous 10 have been formed, after forming the fit-state of putting the palms together before one that joins each other by above-mentioned guide plate 12a and 12b, with high- frequency electrode 15 and 16, along two marginal portion 1a and the 1b weld together of straight line, form the first weld line S as shown in Figure 2 with membraneous material 1 1In addition, also adorning another in this bottom high-frequency electrode 17 and 18(17 are positive pole, 18 is negative pole).High-frequency electrode 17 faces the outside of the operating membraneous material 1 of processing, and high-frequency electrode 18 faces the inboard of the operating membraneous material 1 of processing.Form the first weld line S by the high- frequency electrode 15 and 16 that is positioned at the top 1After two marginal portion 1a of membraneous material and 1b to the bending of any one side, on the outside face that is fitted in packing tube 10.And then by high- frequency electrode 17 and 18 with two marginal portion 1a, 1b of membraneous material and membraneous material 1 three that forms packing tube 10 along the straight line weld together, thereby form as shown in Figure 3 the second weld line S 2In addition, label 19 and 20 is a feeding roller, and packing tube 10 is carried downwards feeding roller 19,20 continuously by this.Forming the second above-mentioned weld line S 2The time, by temporarily to high-frequency electrode 17(positive pole) way of stopping power supply, the discontinuities l(that can form does not as shown in Figure 1 carry out that part of of welding for the second time).In addition, in Fig. 4, do not represent this member,, make the first weld line S by this guide plate if promptly between high- frequency electrode 15,16 and high- frequency electrode 17,18, guide plate is housed 1Two edge 1a of the membraneous material after the formation and 1b bending are to any one side and be fitted on the outside face of membraneous material 1, so just can easily form the second weld line S with high- frequency electrode 17 and 18 2
Subsequently, form packing tube 10 cylindraceous from 11 pairs of filler ozzles and supplied with packaged object, and tightened with metal clamp 2 by being contained in feeding roller 19,20 more following fixing devices, cut off by the length of each section packing tube again, made cylindrical thin-film packing material as shown in Figure 1.Breach 3 shown in Figure 1 both can be reprocessed after packing material is made fully, also can install the device of machining gap on device shown in Figure 4, was forming the first weld line S 1To forming the second weld line S 2Between automatically process.
Below, to cylindrical thin-film packing material shown in Figure 1 (packaged object has been filled in the packing tube 10, and the packing material tightened of two ends), the example that membraneous material 1 is peeled the action that comes from the packed article surface is illustrated.
At first, catch the second weld line S with finger 2Discontinuities on, from two marginal portion 1a and the 1b tear fracture of breach 3 with membraneous material.Then as shown in Figure 5, along weld line S 1And S 2Pull two the marginal portion 1a and the 1b of membraneous material, they are torn it down with membraneous material 1 with becoming band discretely, thus the membraneous material 1 of packing tube 10 is torn.Its detailed process is, earlier by pulling two marginal portion 1a, 1b of membraneous material, that part of the staving of representing with arrow A among Fig. 3.Also be, because with respect to double-layer films material with two marginal portion 1a, 1b pointing the membraneous material that pulls, packing tube 10 1 sides are thin film material layers, and by pulling two marginal portion 1a, 1b of membraneous material, the thin film material layer 1 of packing tube 10 1 sides is just at weld line S 2Part pulled open.Subsequently, pull two edge 1a, 1b of membraneous material, the weld line S that in Fig. 3, represents with arrow B 1Two marginal portion 1a, 1b of part membraneous material also separate with the membraneous material 1 of packing tube 10.Thus, as shown in Figure 5, two marginal portion 1a, 1b of membraneous material are torn with becoming band.According to different situations, A portion not only sometimes, even cut also appears at the membraneous material 1 of the formation packing tube 10 of B portion.Therefore, when two marginal portion 1a of membraneous material and 1b were torn it down with becoming band, the cut that constitutes the membraneous material 1 of packing tube 10 just enlarged, and packaged object is exposed.
In order to peel the membraneous material 1 on the cylindrical thin-film packing material, method shown in Figure 6 also is an actv..This method be earlier with finger from breach 3 two edge 1a of membraneous material and 1b tear fracture, then with among marginal portion 1a, the 1b of membraneous material with that part ofly tearing that D represents, as that part of the staving of above-mentionedly the membraneous material 1 that constitutes packing tube 10 being represented with A from Fig. 3 at least from packing tube 10.After this, press the end of packing material again with finger, packaged object is expanded, as shown in Figure 6, the rent of membraneous material 1 just enlarges, thereby packaged object is exposed.
Fig. 5 and method shown in Figure 6 be an example of the Kaifeng method of packing material shown in Figure 1 only, in addition, also can use other any methods Kaifeng.That is to say, by from weld line S 2Marginal portion 1a, the 1b of breach 3 tear fracture membraneous materials of discontinuities l, can be at an easy rate with membraneous material 1 strip off of packing tube 10.
Fig. 7 and Fig. 8 represent second embodiment of the present invention.
This embodiment is at the second weld line S 2Discontinuities l on be not arranged on the breach of representing with label 3 among Fig. 1.Yet even breach 3 is not set, the operation of strip off membraneous material 1 also still is easy to.An example of this method is to catch the second weld line S with finger earlier 2Marginal portion 1a, the 1b of membraneous material of discontinuities l, thus weld line S 2A part, according to different situations, sometimes also at weld line S 1A part on membraneous material 1 tear fracture of packing tube 10, expose packaged object.Like this, even without the structure that breach is set, the operation of strip off membraneous material 1 also is easy.
Among the embodiment of above-mentioned Fig. 1～shown in Figure 8, the membraneous material marginal portion 1a and the 1b that constitute packing tube 10 are by the first weld line S 1With the second weld line S 2, weld at Liang Chu.As shown in Figure 2, only marginal portion 1a, the 1b with membraneous material fits each other with putting the palms together before one, with a weld line S 1Under the situation of welding, bear the weld line S of the direction power shown in the arrow F 1Weld strength lower.For this reason, in the above-described embodiments, as shown in Figure 3, at the first weld line S 1The basis on added the second weld line S again 2, thereby improved weld strength.So during as the making sausage, be transferred to cooking process after packing finishes, along with the rising of internal pressure, the suffered tension force of membraneous material also increases, even the power of F direction is all acted on the weld zone, it also has enough intensity.That is to say, when the marginal portion of membraneous material 1a, 1b only fit and each other with a weld line S with putting the palms together before one 1During welding, the power F that is formed by the suffered tension force of membraneous material is as making the edge 1a of membraneous material and power that 1b tears each other work weld line S 1Just disconnect easily.But, adding the second weld line S 2Situation of the present invention under, at the second weld line S 2The place makes marginal portion 1a, the 1b of membraneous material and the membraneous material 1 of packing tube 10 be in closely weld together of overlapped state, above-mentioned power F just works in the direction that membraneous material will be staggered mutually, therefore, only can not make the second weld line S with this power F 2Disconnect.By the second weld line S 2With the first weld line S 1The two combined action, the intensity of weld zone has just been improved significantly.
In addition, make under the higher situation of the intensity of weld zone, as shown in Figure 9, the membraneous material band 6 that strengthens usefulness can be clipped between the marginal portion 1a and 1b of membraneous material, this membraneous material band 6 can be welded on weld line S together with marginal portion 1a, 1b at needs 1And S 2On.Can be previously used Kaifeng band as this membraneous material band 6.Like this, strengthen with membraneous material band 6, just can be increased in weld line S owing to used 1And S 2The film number of plies of place welding also just can improve the weld strength of dielectric bonding etc.Perhaps, as shown in figure 10, the membraneous material band 6 that strengthens usefulness is attached to the outside of the marginal portion 1a of membraneous material, by membraneous material band 6 is welded on weld line S 1And S 2On, just can improve the intensity of weld zone.
If use above-mentioned the present invention, the snugly weld together owing to put the palms together before one each other in two marginal portions of the membraneous material of formation cylindrical package tube, the marginal portion that makes membraneous material simultaneously forms second weld line along the membraneous material outside face of packing tube, and on a certain section of second weld line, be provided with discontinuities, thereby just can catch the marginal portion of membraneous material of the discontinuities of second weld line with finger, with its strip off, also just can easily membraneous material be broken, make membraneous material be easy to peel from packaged object.In addition, owing to formed two weld lines, with only two marginal portions of membraneous material being compared with the situation of a weld line welding each other with putting the palms together before one, the intensity of weld zone is improved, therefore, when making sausage, in cooking process, even pressure inside raises, packing tube does not destroy from weld zone yet.

Claims (2)

1, a kind of cylindrical thin-film packing material of filling processed food, it is two marginal portion welding with membraneous material, form the cylindrical package tube, processed food is filled in this cylindrical package tube, simultaneously the closed at both ends on the packing tube length direction is made, it is characterized in that: earlier two marginal portions of above-mentioned membraneous material are fitted and the continuous two sides of the inside face of the packing tube ground connection state of putting the palms together before one mutually each other, and weld by first weld line, to be fitted in together on the outside face of packing tube from two marginal portions of the outward extending membraneous material of first weld line again, and by second weld line with two marginal portions of membraneous material with forms the membraneous material weld together of packing tube, and the discontinuities that formation is not sealed on a section of this second weld line.
2, cylindrical thin-film packing material as claimed in claim 1 is characterized in that: when being welded by second weld line, have breach (otch) on the edge of the membraneous material of the discontinuities that is not sealed on.
CN88108410A 1987-10-30 1988-10-29 Tubular packaging film for filling worked foodstuff Expired CN1015795B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP275282/87 1987-10-30
JP62275282A JP2594068B2 (en) 1987-10-30 1987-10-30 Cylindrical film package filled with processed food

Publications (2)

Publication Number Publication Date
CN1036187A CN1036187A (en) 1989-10-11
CN1015795B true CN1015795B (en) 1992-03-11

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Application Number Title Priority Date Filing Date
CN88108410A Expired CN1015795B (en) 1987-10-30 1988-10-29 Tubular packaging film for filling worked foodstuff

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JP (1) JP2594068B2 (en)
KR (1) KR940008008B1 (en)
CN (1) CN1015795B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3880135T2 (en) * 1988-09-08 1993-09-16 Asahi Glass Co Ltd SPRAYING METHOD BY MEANS OF A BAND-SHAPED PLASMA FLOW AND DEVICE FOR HANDLING THIS METHOD.
JP6396064B2 (en) * 2014-04-08 2018-09-26 兵神装備株式会社 Multilayer product manufacturing apparatus and multilayer product manufacturing method

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6236680U (en) * 1985-08-21 1987-03-04

Also Published As

Publication number Publication date
KR940008008B1 (en) 1994-08-31
JP2594068B2 (en) 1997-03-26
KR890006489A (en) 1989-06-14
JPH01124568A (en) 1989-05-17
CN1036187A (en) 1989-10-11

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