WO2020229215A1 - Fabrication de pailles en papier - Google Patents

Fabrication de pailles en papier Download PDF

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Publication number
WO2020229215A1
WO2020229215A1 PCT/EP2020/062327 EP2020062327W WO2020229215A1 WO 2020229215 A1 WO2020229215 A1 WO 2020229215A1 EP 2020062327 W EP2020062327 W EP 2020062327W WO 2020229215 A1 WO2020229215 A1 WO 2020229215A1
Authority
WO
WIPO (PCT)
Prior art keywords
strip
adhesive
material strip
drinking
drinking straw
Prior art date
Application number
PCT/EP2020/062327
Other languages
German (de)
English (en)
Inventor
Roman Piechaczek
Thorsten Hoffmann
Klaus Masuch
Carola Dollberg
Sönke Horn
Tobias Körner
Felix LÜCKE
Original Assignee
Hauni Maschinenbau Gmbh
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 Hauni Maschinenbau Gmbh filed Critical Hauni Maschinenbau Gmbh
Priority to EP20724782.6A priority Critical patent/EP3946918A1/fr
Publication of WO2020229215A1 publication Critical patent/WO2020229215A1/fr

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
    • B31C—MAKING WOUND ARTICLES, e.g. WOUND TUBES, OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31C5/00—Making tubes or pipes without using mandrels
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47G—HOUSEHOLD OR TABLE EQUIPMENT
    • A47G21/00—Table-ware
    • A47G21/18—Drinking straws or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/12—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
    • B26D1/25—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member
    • B26D1/26—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis substantially perpendicular to the line of cut
    • B26D1/28—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis substantially perpendicular to the line of cut and rotating continuously in one direction during cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D3/00—Cutting work characterised by the nature of the cut made; Apparatus therefor
    • B26D3/16—Cutting rods or tubes transversely
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
    • B26D7/2614—Means for mounting the cutting member
    • 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
    • B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
    • B31D5/00—Multiple-step processes for making three-dimensional articles ; Making three-dimensional articles
    • B31D5/0095—Making drinking straws
    • 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
    • B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
    • B31F1/0003—Shaping by bending, folding, twisting, straightening, flattening or rim-rolling; Shaping by bending, folding or rim-rolling combined with joining; Apparatus therefor
    • B31F1/0045—Bending or folding combined with joining

Definitions

  • the invention relates to a method for producing drinking straws from paper, a drinking straw, a device for producing drinking straws and a corresponding use of the device for producing drinking straws.
  • first strip of material and / or the second strip of material is used with a first adhesive that is waterproof or at least temporarily resistant to water
  • at least one longitudinally axial edge area of the second strip of material is glued with the first adhesive or a second adhesive
  • the method according to the invention enables stable drinking straws to be produced very efficiently. It is particularly efficient if the material strip that lies on the inside, ie in this case the first strip of material, lies on top of each other, so that when the superimposed material strips are formed into a tubular strand, for example in a format device, sufficient pressure or Sufficient tension is given to the outside so that the material strip or the two material strips placed on top of each other emit sufficient force to the outside during molding so that the material strips can be conveyed through the molding device, for example a format device, without too much slip.
  • the first material strip and / or the second material strip are preferably made of a paper.
  • the first and / or the second are
  • Material strips made from a biodegradable material are preferably designed to be flat and have a longitudinal extension.
  • the material strips are preferably conveyed in a longitudinal axial direction to a format device, the material strips being applied to a format tape of the format device, the
  • Format tape is moved in a longitudinal axial direction and is arranged on a format tape guide surface.
  • the material strips are preferably preformed in an inlet area of the format device, in particular preferably by means of a turning device, the turning device exerting pressure on the material strips and the format tape, the pre-forming comprising pre-bending the material strips in a direction transverse to the longitudinal extension of the material strips , the strips of material then being shaped into a long drinking straw, which is then cut to the desired length.
  • the width of the second strip of material is preferably greater than the width of the first strip of material.
  • the material strips are preferably placed one on top of the other, offset, so that that a longitudinally axial edge of the first strip of material is aligned with a longitudinally axial edge of the second strip of material.
  • the width of the second strip of material is selected so that, in the case of the tubular strand, the second strip of material is wound over the aligned edge.
  • the material strips are offset one above the other so that one material strip protrudes over the other on both sides.
  • the first strip of material can protrude beyond the second strip of material on one side and the second strip of material protrudes beyond the first strip of material on the other side.
  • the first strip of material is preferably thicker than the second strip of material, as a result of which very stable drinking straws can be produced. Furthermore, the first strip of material and the second strip of material preferably have a thickness between 60 ⁇ m and 200 ⁇ m, in particular 60 ⁇ m and 160 ⁇ m, in particular 80 ⁇ m and 140 ⁇ m.
  • the first material strip preferably has a thickness between 100 ⁇ m and 160 ⁇ m, with the second material strip in particular having a thickness between 60 ⁇ m and 110 ⁇ m.
  • the first strip of material and the second strip of material preferably have a weight per unit area between 50 g / m 2 and 180 g / m 2 , in particular between 50 g / m 2 and 140 g / m 2 , in particular between 70 g / m 2 and 120 g / m 2 , on.
  • the first material strip preferably has a weight per unit area between 60 g / m 2 and 140 g / m 2 , the second material strip in particular having a weight per unit area between 50 g / m 2 and 100 g / m 2 .
  • the first or the second adhesive is preferably applied over the entire surface or essentially over the entire surface of the second strip of material, in particular the adhesive that is not applied over the entire surface, is applied as a strip to the second strip of material.
  • the adhesive applied over the entire surface or essentially over the entire surface can be a cold glue.
  • the adhesive, which is applied as a strip, can be a hot melt adhesive.
  • the adhesive which is applied over the entire surface or essentially over the entire surface, is preferably also a seam gluing.
  • the seam gluing can be a third adhesive, for example also a cold glue.
  • the adhesive is preferably applied in an amount of 10 g / m 2 to 65 g / m 2 , in particular 10 g / m 2 to 25 g / m 2 . This makes it possible to produce a very stable drinking straw.
  • a first or second adhesive is preferably selected which is insoluble in water or which only reduces or significantly reduces its adhesive function on contact with water after two hours.
  • the adhesive is preferably selected in such a way that, on contact with a liquid, the second material strip at least partially detaches from the first material strip after two, three or four hours at the earliest.
  • first strip of material and / or the second strip of material is or are made of paper.
  • paper also includes cardboard within the scope of the invention.
  • the first strip of material and / or the second strip of material is or are coated with another material on one or both sides and / or calendered on one or both sides and / or provided with a wet strength agent during manufacture.
  • a wet strength agent for known wet strength agents, reference is made to EP 0 050 223 A1.
  • the second strip of material is preferably provided with adhesive, in particular before the two strips of material are brought together offset and placed one on top of the other.
  • the drinking straws preferably have a length between 40 mm and
  • the length can be adjusted in particular by the speed of a cutting device or, if it is a knife carrier that is driven in rotation and on the circumference of which 1, 2, 3, 4 or more knives are arranged, in that a be - the correct number of knives is specified on the circumference.
  • the weight per unit area of the first strip of material is preferably greater than or equal to 128 g / m 2 , in particular greater than or equal to 130 g / m 2 , in particular greater than or equal to 140 g / m 2 .
  • the first adhesive and / or the second adhesive is or are preferably biodegradable.
  • An adhesive can be a hot glue, for example, in order to enable the adhesive to be formed quickly and at short notice.
  • the other adhesive can be a cold glue, for example polyvinyl acetate.
  • a biodegradable adhesive or two different biodegradable adhesives is preferably used, for example based on ionic or nonionic starch ethers or on the basis of OH-containing polyesters with aliphatic or cycloaliphatic isocyanate crosslinkers.
  • a drinking straw comprising at least two material strips of paper glued together and wrapped around one another in a tubular shape, in particular produced according to a previously described method, which is developed in that the drinking straw has a longitudinal seam.
  • the fact that the drinking straw has a longitudinal seam means that it can be manufactured at a high line speed and is therefore also inexpensive to manufacture.
  • the outer, tubularly wound strip of paper material can also be abutted or its longitudinal axial edges abutted.
  • the outer strip of material can, however, be provided with a corresponding stand from the longitudinal axial edges, for example in a range from 1 mm to 6 mm.
  • the longitudinally axial edges of the inner material strip which are particularly preferably abutted, are offset from the longitudinally axial edges of the outer material strip, namely so that they are completely covered by the outer material strip, a stable drinking straw can be realized.
  • the material strip used outside can also be so wide that it has a greater width than the circumference of the drinking straw when it is wrapped around the inner material strip, so that one longitudinally axial edge is covered by the outer material strip.
  • the longitudinal seam can preferably be provided on the outside of the drinking straw and / or on the inside of the drinking straw.
  • a first strip of material is preferably abutted on the inside and a second strip of material is wrapped around the outside of the first strip of material, the longitudinal axial edges of the second material strip being arranged on the circumference of the drinking straw offset to the longitudinal axial edges of the first material strip.
  • the first material strip is coated on the inside or calendered and / or the second material strip is coated on the outside or calendered.
  • the coating preferably contains starch and / or paraffin and / or silicone.
  • the drinking straw is preferably designed such that the first strip of material is thicker than the second strip of material.
  • the first strip of material and the second strip of material have a thickness between 60 mih and 200 mih, in particular 60 mih and 160 mih, in particular 80 mih and 140 mih.
  • the first strip of material preferably has a thickness between 100 mih and 160 mih, the second strip of material in particular having a thickness between 60 mih and 110 mi.
  • the first strip of material and the second strip of material preferably have a weight per unit area between 50 g / m 2 and 180 g / m 2 , in particular between 50 g / m 2 and 140 g / m 2 , in particular between 70 g / m 2 and 120 g / m 2 , on.
  • the first material strip preferably has a weight per unit area between 60 g / m 2 and 140 g / m 2 , the second material strip in particular having a weight per unit area between 50 g / m 2 and 100 g / m 2 .
  • first strip of material and / or the second strip of material is or are coated with another material on one or both sides, or is or is calendered on one or both sides. This avoids that, in the case of carbonated drinks, the surfaces that come into contact with the liquid and the carbonic acid lead to excessive foaming.
  • the weight per unit area of the first material strip (3) is preferably greater than or equal to 128 g / m 2 , in particular greater than or equal to 130 g / m 2 , in particular greater than or equal to 140 g / m 2 .
  • the adhesive that is used in the drinking straw is biodegradable.
  • the adhesive used is preferably waterproof or at least water-resistant for a predefinable period of time, so that the drinking straw can be exposed to a liquid for at least two hours without damage, without it dissolving or the strips of material coming apart.
  • a device for producing drinking straws comprising the following features: a first material strip feed device for conveying a first material strip, a second material strip feed device for conveying a second material strip, a gluing device by means of the first strip of material and / or the second strip of material can be wetted with adhesive, a joining device by means of which the first strip of material and the second strip of material can be brought together for gluing in such a way that the first strip of material and the second strip of material are offset from one another, a format device , in which a tubular strand can be adjusted from the first and second strips of material brought together, and a cutting device for cutting the tubular strand to length into a plurality of drinking straws made of paper.
  • the first material strip feed device is preferably designed to convey thicker material strips than the second material strip feed device.
  • the conveyed first strip of material is then, for example, conveyed with a higher voltage or a higher train than the second strip of material.
  • deflection members can be formed so that they can work or deflect the material strips of different thicknesses.
  • the merging device is preferably designed in such a way that the material strips are brought together in such a way that the second material strip can be placed on a format tape of the format device, that is, it comes into direct contact with the format tape.
  • the format device is preferably designed in such a way that the longitudinally axial edges of the first strip of material abut when the tubular strand is formed.
  • the circumference of the produced drinking straw or a tubular strand, from which the drinking straws then cut to length, which is predetermined by the format device is so large that after the tubular strand has been formed, the edges of the first strip of material abut.
  • a second gluing device is preferably provided, by means of which a different adhesive than with the first gluing device can be applied to the first strip of material and / or the second strip of material.
  • knives are preferably designed to be removable from a cutting device for the production of longer drinking straws.
  • a rotating knife carrier with one, two or more knives is preferably provided.
  • a counterweight can then preferably be attached at the point or points at which knives can be removed.
  • the knife or knives can be or be wetted with food-grade oil, such as olive oil, in order to avoid glue contamination on the cut drinking straw.
  • food-grade oil such as olive oil
  • the knife or knives can be coated with PTFE.
  • an adhesive is applied flatly to the inner surface of the second material strip, the adhesive material completely wetting this layer, so that after the first material strip has been brought together and formed into a tubular strand, the inner layer, ie the first material strip, is fixed.
  • the surface of the second material strip is provided completely or essentially completely with adhesive, which is opposite to the side that is brought together with the format tape.
  • Fig. 1 is a schematic view of essential parts of a device according to the invention it for the production of drinking hal men
  • FIG. 2 shows a schematic sectional illustration through the device from FIG. 1 in the area of section A-A and FIG. 3 shows a schematic sectional illustration through a drinking straw that has been produced.
  • FIG. 1 schematically shows a view of a device according to the invention for producing drinking straws 20.
  • a first material strip feed device 21 shown schematically in FIG. 1 moves a first material strip 3, for example made of paper, towards a merging device 25 funded.
  • the conveying direction 10 is also shown schematically in FIG. 1.
  • An adhesive can be applied to the inside of the first material strip 3 by means of a gluing device 24.
  • a second material strip 7 is fed to the device 25 in the conveying direction 10 by means of a second schematically illustrated material strip feed device 22.
  • a gluing device 23 an adhesive can be applied to the outside of the second material strip 7.
  • the merging device 25 which can be designed like a merging device according to DE 10 2014 226 019 A1 or DE 10 2016 124 051 A1, the two material strips 3 and 7 are placed one above the other, offset, so that they stick together.
  • the merged strips of material 3 and 7 are then conveyed in the conveying direction 10 in the direction of a format device 14 and placed on a matband 4 For.
  • the material strips 3 and 7 and the format tape 4 are pressed by means of a rotating device 2, which can be spring-loaded, for example, with a spring 12, so that a appropriate promotion in the conveying direction 10 is possible, please include.
  • the format tape 4 then runs on a lower format 1 in the Formatvor direction 14.
  • An upper format 5 is provided, by means of which the upper shape of the tubular strand made from the paper can be specified.
  • the material strips 3 and 7 which have been brought together are formed into a tubular strand 11.
  • a seam or a gusset of the first mate rialstMails 3 is provided with a hot melt adhesive in order to allow fast closing of the tubular strand 11 by means of a heating device arranged in the upper format 5, for example a seam flat.
  • a further adhesive is then also provided, which can be a cold glue in order to enable permanent bonding.
  • the rotating device 2 is hen vorgese in the inlet area 16 of the format device 14. The rotating device 2 rotates about an axis of rotation 13 and presses with its circumferential surface 6 on the material strips 3 and 7 as well as the format tape 4.
  • the rotating device 2 can also be omitted in one embodiment.
  • the infeed finger 25 can be adapted to the contour of the lower format 1 in order to press the material strips onto the format tape 4.
  • FIG. 2 a sectional illustration along the section A-A of FIG. 1 is shown schematically. It can be seen that the longitudinal axial edges of the
  • Strip of material 3 offset to the longitudinal axial edges of the material strips 7 are arranged.
  • the right-hand edge 8 of the material strip 3 is further to the right than the edge of the material strip 7.
  • the left edge 8 'of the material strip 3 is also further to the right than the left edge of the material strip 7.
  • the format tape 4 can have a width that is slightly smaller is than the width of the material strips 3 or
  • the width of the format tape can, however, be exactly the same.
  • the tubular strand 11 produced is cut into drinking straws 20 of predeterminable length by means of a rotating knife carrier 15, on which at least one knife or a cutting edge 17 is arranged. If, for example, two cutting edges 17, which are preferably arranged opposite one another on the circumferential surface of the knife device 15, are provided, somewhat shorter drinking straws 20 can be produced. If only one cutting edge 17 and preferably on the opposite side of the circumference of the knife device 15, a counterweight are seen before, longer drinking straws 20 can be produced.
  • the length of the drinking straws 20 depends on the rotational speed of the knife device 15, the number of cutting edges 17 on the knife device 15 and the conveying speed of the tubular strand 11.
  • Fig. 3 shows schematically a sectional view through a produced drinking straw.
  • the first strip of material 3 is on the inside.
  • the second strip of material 7 is arranged in such a way that the edges 30, 30 'of the second strip of material 7 also abut.
  • an essentially full-surface gluing by means of cold glue 31 is provided.
  • a hot melt adhesive 33, 33 ' is used to quickly close the seam, namely in the area of the edges 30, 30' of the second material strip 7. This ensures rapid setting of the adhesive 33, 33 'and enables a fast strand speed.
  • another cold glue 32, 32' can be provided directly next to the hot-melt adhesives 33, 33 'or the essentially full-surface gluing can be up to to the hot melt adhesives 33, 33 'extend.
  • the hot-melt adhesive 33, 33 ' is applied as a strip to the first or second strips of wrapping material.
  • the cold glue 32, 32 ' is also applied as a strip to the first or second material strip.
  • the position of the hot melt adhesive 33, 33 ' can be interchanged with the position of the further cold glue 32, 32'.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Making Paper Articles (AREA)

Abstract

L'invention concerne un procédé de fabrication de pailles (20) en papier comprenant les étapes suivantes : transporter une première bande de matériau (3) dans la direction de transport axiale longitudinale (10), la première bande de matériau (3) présentant une première largeur, transporter une seconde bande de matériau (7) dans la direction de transport axiale longitudinale (10), la seconde bande de matériau (7) présentant une seconde largeur, encoller la première bande de matériau (3) er/ou la seconde bande de matériau (7) avec un adhésif qui est imperméable à l'eau ou résiste à l'eau au moins par moments, au moins une zone marginale axiale longitudinale de la secodne bande de matériau (7) étant encollée avec le premier adhésif ou un second adhésif, réunir de manière décalée la première bande de matériau (3) et la seconde bande de matériau (7) lors du transport axial longitudinal, de sorte que la première et la seconde bande de matériau (3, 7) se superposent, façonner les bandes de matériau (3, 7) superposées en un brin (11) tubulaire, la première bande de matériau (3) se situant à l'intérieur et les arêtes axiales longitudinales (8, 8') de la première bande de matériau (3) étant bord à bord, et découper le brin (11) à la longueur voulue en pailles (20) double couche.
PCT/EP2020/062327 2019-05-10 2020-05-04 Fabrication de pailles en papier WO2020229215A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20724782.6A EP3946918A1 (fr) 2019-05-10 2020-05-04 Fabrication de pailles en papier

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102019112261 2019-05-10
DE102019112261.9 2019-05-10
DE102019127563.6A DE102019127563A1 (de) 2019-05-10 2019-10-14 Herstellen von Trinkhalmen aus Papier
DE102019127563.6 2019-10-14

Publications (1)

Publication Number Publication Date
WO2020229215A1 true WO2020229215A1 (fr) 2020-11-19

Family

ID=72943515

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2020/062327 WO2020229215A1 (fr) 2019-05-10 2020-05-04 Fabrication de pailles en papier

Country Status (3)

Country Link
EP (1) EP3946918A1 (fr)
DE (1) DE102019127563A1 (fr)
WO (1) WO2020229215A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114619710A (zh) * 2021-06-07 2022-06-14 湖南臻诚高分子新材料有限公司 一种泡热水不变软不散开低迁移的纸吸管的制备方法
EP4049689A1 (fr) 2021-02-25 2022-08-31 Dentsply IH AB Dispositif médical doté d'un substrat comprenant des fibres naturelles

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Publication number Priority date Publication date Assignee Title
DE102020134003A1 (de) * 2020-12-17 2022-06-23 Hauni Maschinenbau Gmbh Vorrichtung und Verfahren zur Herstellung eines stab- oder rohrförmigen Artikels

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Publication number Priority date Publication date Assignee Title
GB376260A (en) * 1931-03-30 1932-06-30 Friedrich Karl Wickel Improved manufacture of drinking tubes
US2203006A (en) * 1938-07-23 1940-06-04 Leonard A Young Paper tube and method of making
GB661398A (en) * 1949-01-17 1951-11-21 Reckitt & Colmann Ltd Improvements in or relating to packages
GB787981A (en) 1953-02-21 1957-12-18 Hygienic Drinking Straws Compa Improved method and apparatus for forming drinking straws or tubes having printed matter thereon
US3203325A (en) 1963-05-09 1965-08-31 Harry E Davis Method and apparatus for making drinking straw
EP0050223A1 (fr) 1980-10-22 1982-04-28 BASF Aktiengesellschaft Procédé de préparation de papier ayant une résistance élevée à l'humidité
WO1996014143A1 (fr) * 1994-11-03 1996-05-17 Glenn Nicholas Gorab Melangeur ou paille anti-mousse destine aux boissons
DE19615283C1 (de) * 1996-04-18 1997-09-04 Pactec Verpackungsmaschinen Fa Einrichtung zum Abtrennen von Stücken von einem Massestrang
DE19707407A1 (de) * 1996-03-08 1997-09-11 Brodbeck Maschb Gmbh Vorrichtung zur Herstellung eines Röhrchens
DE102014226019A1 (de) 2014-12-16 2016-06-16 Hauni Maschinenbau Ag Doppellagiges Röhrchen der Tabak verarbeitenden Industrie sowie Vorrichtung und Verfahren zur Herstellung eines derartigen Röhrchens
DE102016124051A1 (de) 2016-12-12 2018-06-14 Hauni Maschinenbau Gmbh Doppellagiges Röhrchen der Tabak verarbeitenden Industrie sowie Verfahren zur Herstellung eines derartigen Röhrchens
DE202018105665U1 (de) * 2018-04-13 2018-10-12 Shu-Ching Shih Papierstrohhalm
DE102017114910A1 (de) 2017-07-04 2019-01-10 Hauni Maschinenbau Gmbh Verfahren zum Herstellen von Hohlrohren der Tabak verarbeitenden Industrie sowie Formatvorrichtung

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB376260A (en) * 1931-03-30 1932-06-30 Friedrich Karl Wickel Improved manufacture of drinking tubes
US2203006A (en) * 1938-07-23 1940-06-04 Leonard A Young Paper tube and method of making
GB661398A (en) * 1949-01-17 1951-11-21 Reckitt & Colmann Ltd Improvements in or relating to packages
GB787981A (en) 1953-02-21 1957-12-18 Hygienic Drinking Straws Compa Improved method and apparatus for forming drinking straws or tubes having printed matter thereon
US3203325A (en) 1963-05-09 1965-08-31 Harry E Davis Method and apparatus for making drinking straw
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Cited By (3)

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Publication number Priority date Publication date Assignee Title
EP4049689A1 (fr) 2021-02-25 2022-08-31 Dentsply IH AB Dispositif médical doté d'un substrat comprenant des fibres naturelles
WO2022180201A1 (fr) 2021-02-25 2022-09-01 Dentsply Ih Ab Dispositif médical avec substrat comprenant des fibres naturelles
CN114619710A (zh) * 2021-06-07 2022-06-14 湖南臻诚高分子新材料有限公司 一种泡热水不变软不散开低迁移的纸吸管的制备方法

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