SE502067C2 - Method and apparatus for joining cardboard support sleeves - Google Patents

Method and apparatus for joining cardboard support sleeves

Info

Publication number
SE502067C2
SE502067C2 SE9303876A SE9303876A SE502067C2 SE 502067 C2 SE502067 C2 SE 502067C2 SE 9303876 A SE9303876 A SE 9303876A SE 9303876 A SE9303876 A SE 9303876A SE 502067 C2 SE502067 C2 SE 502067C2
Authority
SE
Sweden
Prior art keywords
sleeve
sleeve length
end surface
cut
sleeves
Prior art date
Application number
SE9303876A
Other languages
Swedish (sv)
Other versions
SE9303876L (en
SE9303876D0 (en
Inventor
Johnny Skoeld
Original Assignee
Bergslagsteknik Ab
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 Bergslagsteknik Ab filed Critical Bergslagsteknik Ab
Priority to SE9303876A priority Critical patent/SE502067C2/en
Publication of SE9303876D0 publication Critical patent/SE9303876D0/en
Priority to PCT/SE1994/001105 priority patent/WO1995014631A1/en
Publication of SE9303876L publication Critical patent/SE9303876L/en
Publication of SE502067C2 publication Critical patent/SE502067C2/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F5/00—Attaching together sheets, strips or webs; Reinforcing edges
    • B31F5/04—Attaching together sheets, strips or webs; Reinforcing edges by exclusive use of adhesives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/4805—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the type of adhesives
    • B29C65/481—Non-reactive adhesives, e.g. physically hardening adhesives
    • B29C65/4815—Hot melt adhesives, e.g. thermoplastic adhesives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/52—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the way of applying the adhesive
    • B29C65/524—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the way of applying the adhesive by applying the adhesive from an outlet device in contact with, or almost in contact with, the surface of the part to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/114—Single butt joints
    • B29C66/1142—Single butt to butt joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/116—Single bevelled joints, i.e. one of the parts to be joined being bevelled in the joint area
    • B29C66/1162—Single bevel to bevel joints, e.g. mitre joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/32—Measures for keeping the burr form under control; Avoiding burr formation; Shaping the burr
    • B29C66/324—Avoiding burr formation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/52—Joining tubular articles, bars or profiled elements
    • B29C66/522—Joining tubular articles
    • B29C66/5221—Joining tubular articles for forming coaxial connections, i.e. the tubular articles to be joined forming a zero angle relative to each other
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/18—Constructional details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/50—Methods of making reels, bobbins, cop tubes, or the like by working an unspecified material, or several materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2711/00—Use of natural products or their composites, not provided for in groups B29K2601/00 - B29K2709/00, for preformed parts, e.g. for inserts
    • B29K2711/12—Paper, e.g. cardboard
    • B29K2711/126—Impregnated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2023/00—Tubular articles
    • B29L2023/22—Tubes or pipes, i.e. rigid

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Replacement Of Web Rolls (AREA)

Abstract

The present invention relates to a method of and means for joining support cores of cardboard or the like. The invention is characterized in that a sleeve length intended to be cut into a number of cores is cut so that only a short length, possibly only a core remnant is left. Adhesive (4) is then applied on the end surface located perpendicular to the axis of the core, after which the leading end surface of a new sleeve length running perpendicularly to the longitudinal axis and substantially aligned with the first end surface, is pressed against the rear end (3) and splicing is achieved.

Description

502 Û67 å. längd, gáende vinkelrätt mot längdaxeln och i huvudsak kongruent med den förstnämnda ändytan, pressas mot den bakre ändytan och skarvning erhálles. En dylik skarvning kan ske mot en resthylsa eller mot en större längd, i extremfallet mot en hel, föregående hylslängd. Detta ger mycket starka hylsor även vid skarvarna, och i huvudsak inget skrot erhàl- les. Skulle en ändyta ha skadad form eller avvika från ett plan, vinkelrätt mot hylsans längdaxel, kan man lätt kapa en tunn skiva för att få rätt ändyta, och en dylik skiva är obetydlig i förhållande till ovannämnda resthylsor, alltsà endast ett obetydligt skrotproblem. Uppfinningen innefattar även en anordning för utförande av detta sätt. 502 Û67 å. Length, going perpendicular to the longitudinal axis and substantially congruent with the first-mentioned end surface, pressed against the rear end surface and splicing is obtained. Such a splicing can take place against a residual sleeve or against a larger length, in the extreme case against an entire, previous sleeve length. This gives very strong sleeves even at the joints, and essentially no scrap is obtained. Should an end face have a damaged shape or deviate from a plane, perpendicular to the longitudinal axis of the sleeve, one can easily cut a thin disc to get the right end face, and such a disc is insignificant in relation to the above-mentioned residual sleeves, i.e. only an insignificant scrap problem. The invention also comprises a device for carrying out this method.

Ritningar: Uppfinningen är närmare exemplifierad i bifogade figurer, av vilka figur l visar en anordning enligt uppfinningen och sät- tet att arbeta, figur 2 visar en olämplig skarv enligt tidi- gare känd teknik och figur 3 en skarv, erhàllen vid uppfinningen.Drawings: The invention is further exemplified in the accompanying figures, of which figure 1 shows a device according to the invention and the method of working, figure 2 shows an unsuitable joint according to prior art and figure 3 a joint obtained by the invention.

Utföringsexempel: Anordningen enligt uppfinningen visas i figur 1. 1 är ett magasin för enstycksmatare för hylsor med ràlängd , ovan och i patentkraven kallade hylslängder, avsedda att kapas till hylsor. 2 är ett maskinstativ och 3 är en inmatningssida med en pusher. 4 är en limningsstation och 5 en kapningsstation. 6 är en drivanordning med en del 6.1 vid pàföringssidan och en del 6.2 vid utmatningssidan. Dessa, bl.a. vid resthylsan, är avsedda att rotera resthylsa resp. hylslängd, och denna 502 067 3 kan bortkopplas, exempelvis vid sitt drivorgan. 7 är utgàngssidan med linjärt anhåll och kontinuerlig mätning, exempelvis datoriserad. 8 är en utmatare med magasin för färdigkapade hylsor.Exemplary embodiment: The device according to the invention is shown in figure 1. 1 is a magazine for one-piece feeders for sleeves with raw length, above and in the claims called sleeve lengths, intended to be cut into sleeves. 2 is a machine stand and 3 is an input side with a pusher. 4 is a gluing station and 5 a cutting station. 6 is a drive device with a part 6.1 on the application side and a part 6.2 on the discharge side. These, i.a. at the residual sleeve, are intended to rotate the residual sleeve resp. sleeve length, and this 502 067 3 can be disconnected, for example at its drive means. 7 is the output side with linear stop and continuous measurement, for example computerized. 8 is a dispenser with magazine for pre-cut sleeves.

Sättet enligt uppfinningen startas genom att man på ingångssidan ifyller en hylslängd. Pushern 3 står här i sitt bakre läge. Limningsstationen 4 är förvärmd till rätt temperatur. Ett ingående munstycke står i sitt bakre läge.The method according to the invention is started by filling in a sleeve length on the entrance side. The pusher 3 is here in its rear position. The gluing station 4 is preheated to the correct temperature. An inlet nozzle is in its rear position.

Kapstationens klingarm står i sitt övre läge, liksom de övre anhållen (6.l och 6.2). Utgångssidans linjära anhåll står inställt på det mått, som överensstämmer med önskad hylslängd efter kapning. Utgángssidans 7 utmatare står i sitt nedre läge. Ett styrsystem kan ha försetts med uppgifter om kaplängder.The blade arm of the cutting station is in its upper position, as are the upper stops (6.1 and 6.2). The linear stop of the output side is set to the dimension that corresponds to the desired sleeve length after cutting. The output side of the output side 7 is in its lower position. A control system may have been provided with information on cutting lengths.

Sedan maskinoperatören tryckt på start ilägges en hylslängd i inmataren i maskinens centrumlinje framför pushern 3. Denna skjuter därefter hylslängden fram mot ut- gàngssidans 7 anhàll, och hylslängden är nu fixerad mellan de bägge anhållen (6.l och 6.2). Det övre anhállet (6.l) går ned och rotationen av hylsan startar. Kapstationen 5 gör ett helt arbetsslag, vilket innebär ansättning mot hylslängdens periferi, rotation av hylsan ett varv samt återgång till viloläge. En kapning har nu fullbordats, och den färdigkapade hylsan placeras i sitt magasin 8.After the machine operator has pressed start, a sleeve length is inserted in the feeder in the center line of the machine in front of the pusher 3. This then pushes the sleeve length towards the stop side 7 stop, and the sleeve length is now fixed between the two stops (6.1 and 6.2). The upper stop (6.l) goes down and the rotation of the sleeve starts. The cutting station 5 performs a complete work stroke, which means application to the periphery of the sleeve length, rotation of the sleeve one turn and return to rest position. A cut has now been completed, and the pre-cut sleeve is placed in its magazine 8.

Denna procedur upprepas till dess den främre hylslängden färdigkapats och en resthylsa återstår. Vid detta mått förflyttar pushern 3 denna hylsa till ett beredskapsläge i 502 067 1/ limningsstationen 4, backar till sitt hemmaläge och en ny hylslängd ilägges i enstycksmataren. Den nya hylslängden skjuts nu fram till limningsstationen 4, övre anhállet (6.2) går ner på resthylsans periferi och startar rotationen av resthylsan, samtidigt som limstycket gär fram till sin arbetsposition. Under rotation páföres nu limmet ett varv pà resthylsans bakre ändyta, limstycket backar, varefter ingàngssidans pusher 3 sammanför de i huvudsak kongruenta ändytorna och sätter dessa under press, lämpligen i högst 10 sek.This procedure is repeated until the front sleeve length is completed and a residual sleeve remains. To this extent, the pusher 3 moves this sleeve to a standby position in the gluing station 4, backs to its home position and a new sleeve length is inserted in the one-piece feeder. The new sleeve length is now pushed forward to the gluing station 4, the upper stop (6.2) goes down on the periphery of the residual sleeve and starts the rotation of the residual sleeve, at the same time as the glue piece reaches its working position. During rotation, the adhesive is now applied one turn to the rear end surface of the residual sleeve, the adhesive piece backs, after which the entrance side pusher 3 joins the substantially congruent end surfaces and puts them under pressure, preferably for a maximum of 10 seconds.

Efter detta kan de sedvanliga kapningsoperationerna upprepas, och starka stödhylsor erhållas även vid skarvställena.After this, the usual cutting operations can be repeated, and strong support sleeves are also obtained at the splicing points.

För skarvning av hylsändytorna användes smältlim, där parametrarna för limaggregatet 4 för temperatur och mängd kan justeras för optimal styrka och fyllnadsgrad. Limmet pàlägges med ett och samma munstycke för samma hylsdimensioner då periferihastighet och godstjocklek i huvudsak stämmer. Genom att materialet i hylsorna är papp eller liknande material, alltsa ett antal ovanpà varandra liggande lager, så absor- beras limmet snabbt i ändytorna och fäster snabbt vid sam- mantryckningen. Man erhåller stark skarv även med relativt liten limmängd.For splicing the sleeve end surfaces, hot melt adhesive is used, where the parameters of the adhesive assembly 4 for temperature and quantity can be adjusted for optimal strength and degree of filling. The adhesive is applied with one and the same nozzle for the same sleeve dimensions as peripheral speed and wall thickness are essentially the same. Because the material in the sleeves is cardboard or similar material, ie a number of superimposed layers, the glue is quickly absorbed in the end surfaces and adheres quickly to the compression. You get a strong joint even with a relatively small amount of glue.

En skarv, erhállen vid tidigar känd teknik, visas i figur 2. I figur 3 visas en skarv, erhállen medelst sättet enligt uppfinningen. Den sistnämnda har en styrka, ungefär motsvar- ande en hylsa kapad vid sidan om skarvarna.A joint obtained in the prior art is shown in Figure 2. Figure 3 shows a joint obtained by the method according to the invention. The latter has a strength, approximately corresponding to a sleeve cut at the side of the joints.

Claims (6)

502 067 5 Uppfinningen kan varieras pà mángahanda sätt inom ramen för nedanstående patentkrav. .EAIEEIKBALThe invention can be varied in many ways within the scope of the following claims. .EAIEEIKBAL 1.Sätt att skarva stödhylsor av papp och liknande material, avsedda för pappersrullar (-banor), k ä n n e t e c k n a t d ä r a v, att en hylslängd är avsedd att kapas i ett antal hylsor, varvid den främre hylslängden kapas i önskade längder under rotation av ett bortkopplingsbart anhàll (6.1), samt att när en hylslängd kapats (5) i ett antal hylsor (8) och en resthylsa eller mer àterstàr, lim páföres (4) på den vinkelrätt mot hylsaxeln gående ändytan, varefter den främre ändytan pà en ny hylslängd, gående vinkelrätt mot längdaxeln och i huvudsak kongruent med den förstnämnda ändytan, pressas (3) mot den bakre ändytan och skarvning erhålles.1. A method of splicing support sleeves of cardboard and similar materials, intended for paper rolls (webs), characterized in that a sleeve length is intended to be cut into a number of sleeves, the front sleeve length being cut into desired lengths during rotation of a detachable stop (6.1), and that when a sleeve length is cut (5) in a number of sleeves (8) and a residual sleeve or more remains, glue is applied (4) to the end surface perpendicular to the sleeve axis, after which the front end surface of a new sleeve length , going perpendicular to the longitudinal axis and substantially congruent with the first-mentioned end surface, is pressed (3) against the rear end surface and splicing is obtained. 2.Sätt enligt patentkrav 1, k ä n n e t e c k n a t d ä r- a v, att resterande delar av den främre hylslängden, eventuellt enbart en resthylsa, i samband med páförandet av lim (4) roteras medelst ett drivband (6.2) eller liknande (anhàll), bortkopplingsbart efter limmets pàförande.2. A method according to claim 1, characterized in that remaining parts of the front sleeve length, possibly only a residual sleeve, in connection with the application of glue (4) are rotated by means of a drive belt (6.2) or the like (stop), detachable after application of the adhesive. 3.Sätt enligt nágot av föregående patentkrav, k ä n n e t e c k n a t d ä r a v, att den bakre hylslängden pressas mot den främre medelst en s.k. pusher (3).3. A method according to any one of the preceding claims, characterized in that the rear sleeve length is pressed against the front by means of a so-called pusher (3). 4.Sätt enligt patentkrav 3, k ä n n e t e c k n a t d ä r - a v, att sammanpressningen utföres under en kort tid med väsentligt tryck, exempelvis 10 sek. eller mindre.4. A method according to claim 3, characterized in that the compression is performed for a short time with substantial pressure, for example 10 sec. or less. 5.Sätt enligt nágot eller nagra av föregående patentkrav, 502 067 ln k ä n n e t e c k n a t d ä r a v, att nya hylslängder páföras frán ett magasin (1), och färdigkapade hylsor staplas och/eller lagras i ett annat magasin (8).5. A method according to any one of the preceding claims, 502 067 characterized in that new sleeve lengths are applied from one magazine (1), and pre-cut sleeves are stacked and / or stored in another magazine (8). 6.Anordning för utförande av sättet enligt något av föregående patentkrav, k ä n n e t e c k n a d d ä r a v, att i anordningen ingår minst en pusher, lämpligen tvá (3,7), en limpàföringsstation med ett limpáföringsmunstycke (4), minst en drivanordning (anhàll) (6.l och 6.2) för rotering av främre hylslängd eller resthylsa, samt en kap (5).Device for carrying out the method according to one of the preceding claims, characterized in that the device comprises at least one pusher, preferably two (3.7), an adhesive application station with an adhesive application nozzle (4), at least one drive device (stop). (6.l and 6.2) for rotation of the front sleeve length or residual sleeve, and a cap (5).
SE9303876A 1993-11-23 1993-11-23 Method and apparatus for joining cardboard support sleeves SE502067C2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SE9303876A SE502067C2 (en) 1993-11-23 1993-11-23 Method and apparatus for joining cardboard support sleeves
PCT/SE1994/001105 WO1995014631A1 (en) 1993-11-23 1994-11-21 Method and device for joining cardboard supporting sleeves

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9303876A SE502067C2 (en) 1993-11-23 1993-11-23 Method and apparatus for joining cardboard support sleeves

Publications (3)

Publication Number Publication Date
SE9303876D0 SE9303876D0 (en) 1993-11-23
SE9303876L SE9303876L (en) 1995-05-24
SE502067C2 true SE502067C2 (en) 1995-07-31

Family

ID=20391851

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9303876A SE502067C2 (en) 1993-11-23 1993-11-23 Method and apparatus for joining cardboard support sleeves

Country Status (2)

Country Link
SE (1) SE502067C2 (en)
WO (1) WO1995014631A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2174894C (en) * 1995-07-28 1999-06-15 Gregg M. Lynch Recycled winding core
SE512495C2 (en) * 1998-03-27 2000-03-27 Lamina System Ab Method and device for sheet caching
FI104551B (en) 1998-07-15 2000-02-29 A P E Trading Oy Method and apparatus for attaching paper roll cores end to end
SE0102452L (en) * 2001-07-05 2003-01-06 Core Link Ab Method and device for jointing
FI117008B (en) * 2004-11-02 2006-05-15 Raumaster Paper Oy Method and apparatus for making a sleeve

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4027830A (en) * 1975-11-05 1977-06-07 E. I. Du Pont De Nemours And Company Yarn support
SE9300535L (en) * 1993-02-18 1994-03-28 Uno Johansson Ways to joint bobbin sections and plant for this

Also Published As

Publication number Publication date
SE9303876L (en) 1995-05-24
WO1995014631A1 (en) 1995-06-01
SE9303876D0 (en) 1993-11-23

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