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EP2844577A1 - Tube with a laminated foil tubular body - Google Patents

Tube with a laminated foil tubular body

Info

Publication number
EP2844577A1
EP2844577A1 EP12740868.0A EP12740868A EP2844577A1 EP 2844577 A1 EP2844577 A1 EP 2844577A1 EP 12740868 A EP12740868 A EP 12740868A EP 2844577 A1 EP2844577 A1 EP 2844577A1
Authority
EP
European Patent Office
Prior art keywords
tube
head
longitudinal seam
cut
tubular body
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.)
Withdrawn
Application number
EP12740868.0A
Other languages
German (de)
French (fr)
Inventor
Miroslav Ivanov Hinkov
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.)
Mechatronica SC
Original Assignee
Mechatronica SC
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 Mechatronica SC filed Critical Mechatronica SC
Publication of EP2844577A1 publication Critical patent/EP2844577A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • 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
    • B29C66/14—Particular design of joint configurations particular design of the joint cross-sections the joint having the same thickness as the thickness of the parts 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
    • B29C66/20—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines
    • B29C66/24—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight
    • B29C66/242—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight said joint lines being closed, i.e. forming closed contours
    • B29C66/2422—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight said joint lines being closed, i.e. forming closed contours being circular, oval or elliptical
    • B29C66/24223—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight said joint lines being closed, i.e. forming closed contours being circular, oval or elliptical being oval
    • 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
    • B29C66/53—Joining single elements to tubular articles, hollow articles or bars
    • B29C66/534—Joining single elements to open ends of tubular or hollow articles or to the ends of bars
    • B29C66/5344—Joining single elements to open ends of tubular or hollow articles or to the ends of bars said single elements being substantially annular, i.e. of finite length, e.g. joining flanges to tube ends
    • 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
    • B29C66/61—Joining from or joining on the inside
    • B29C66/612—Making circumferential 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
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/723—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered
    • 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
    • B65D35/00—Pliable tubular containers adapted to be permanently or temporarily deformed to expel contents, e.g. collapsible tubes for toothpaste or other plastic or semi-liquid material; Holders therefor
    • B65D35/02—Body construction
    • B65D35/12—Connections between body and closure-receiving bush
    • 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
    • B29C66/112—Single lapped joints
    • B29C66/1122—Single lap to lap joints, i.e. overlap 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
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • B29C66/431—Joining the articles to themselves
    • B29C66/4312—Joining the articles to themselves for making flat seams in tubular or hollow articles, e.g. transversal seams
    • B29C66/43121—Closing the ends of tubular or hollow single articles, e.g. closing the ends of bags
    • B29C66/43123—Closing the ends of squeeze tubes, e.g. for toothpaste or cosmetics
    • 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
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • B29C66/432—Joining a relatively small portion of the surface of said articles for making tubular articles or closed loops, e.g. by joining several sheets ; for making hollow articles or hollow preforms
    • B29C66/4322—Joining a relatively small portion of the surface of said articles for making tubular articles or closed loops, e.g. by joining several sheets ; for making hollow articles or hollow preforms by joining a single sheet to itself
    • 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
    • B29L2023/20—Flexible squeeze tubes, e.g. for cosmetics

Definitions

  • the tube with a laminated foil tubular body is for the packaging of liquid and viscous products and is applicable to the packaging industry.
  • Tubes with a laminated foil tubular body are well known in the art and are widely used for packaging of various products. Such tubes consist of a tubular body welded to a head with a round or non-round shape. The head has an opening for squeezing the product out and is usually closed by a cap. After filling, the tubes bottom end is sealed closed by welding.
  • Such an existing tube with a laminate foil tubular body is shown in Patent No. US3307738.
  • the tubular body is made of laminated foil, folded around a mandrel, the two overlapping edges are welded together and the resulting pipe is cut into required lengths. The body is then welded to the head.
  • the head is usually round in cross section in the area of the weld, but different shaped tubes with a non-round section are also known [WO2006/072865]. Since the longitudinal seam is formed by overlapping the two edges of laminated foil the seam thickness is significantly greater than the thickness of the non-welded laminate foil even after compressing during the weld.
  • the contour of the head in the weld area is a smooth curve (circle, oval, etc.) before welding, but after welding the outer contour of the tube in the area of the longitudinal seam is significantly different resulting in a degraded appearance of the tube.
  • the task of the invention is to create a tube with a laminated foil tubular body with an improved appearance of the weld between the head and body in the area of the body's side seam and with an increase in the overall quality of the tube.
  • the invention achieves these goals by creating a tube with a laminate foil tubular body incorporating a longitudinal seam.
  • the top end of the body is welded to the head.
  • the bottom end of the body is closed with an end seal.
  • the contour of the head has a cut-out positioned in the welding zone where the longitudinal seam is located which allows the outer contour of the tube, in the area of the longitudinal seam, to follow the same curve as the contour outside of the longitudinal seam area.
  • the bottom of the cut-out in the head of the tube can be a straight line.
  • the bottom of the cut-out in the head of the tube can be a groove.
  • the contour of the head, outside of the cut-out, can be not round.
  • the tube with a laminated foil tubular body has an improved appearance and the weld between the head and body, in the area of the side seam, is of better quality.
  • Fig. 1 is a general view of a tube with a laminated foil tubular body.
  • Fig. 2 is a cross section (AA) of the head of the tube in the welding area of the body to the head with a cut-out - straight line.
  • Fig. 3 is a cross section (AA) of the tube with a longitudinal seam in the area of the cut-out - straight line.
  • Fig. 4 is a cross section (AA) of the head of the tube in the welding area of the body to the head with a cut-out - groove.
  • Fig. 5 is a cross section (AA) of the tube with a longitudinal seam in the area of the cut-out - groove.
  • the tube has a tubular body 1 made of laminated foil (Fig. 1), the body 1 has a longitudinal seam 3.
  • the top end of body 1 is welded to head 2.
  • the bottom end of the body 1 is closed with an end seal 5.
  • the contour 6 of the head 2 in the area where the longitudinal seam 3 is located after welding has a cut-out 7 (Fig. 2) or groove 10 (Fig. 4) which allows the outline of the tube, in the longitudinal seam 3 area, to follow the same tube contour laying outside of the longitudinal seam 3 area.
  • the bottom of the cut-out in the head 2 can be in a straight line 7 (Fig. 2).
  • the bottom of the cut-out in the head 2 can be a groove 10 (Fig. 4).
  • the contour 6 of the head 2 outside the cut-out 7 (straight line) or cut-out 10 (groove) can be not round.
  • the production of the tubular body 1 of the tube is carried out by any of the known ways in which, because of the overlap of the edges of the laminate foil, the longitudinal seam 3 has a thickness greater than that of the foil.
  • the initial external profile of the head 2 is proportional to the desired final profile of the tube, round, oval, and others.
  • the area of the head 2 where the longitudinal seam 3 will be positioned also is determined.
  • contour 6 of the section of the initial external profile of the head 2 is determined.
  • a straight line 8 is drawn, tangent to contour 6.
  • a straight line 9 is drawn parallel to line 8 and at a distance D, providing width L of the cut-out 7, equal to the width of the longitudinal seam 3.
  • the section of the line 9 and the contour 6 form the bottom of the cut-out 7.
  • a curved line is drawn which corresponds to the internal contour of the tube in the area of the longitudinal seam 3.
  • the line forms a groove 10 in the head 2.
  • a tubular body 1 is welded to the constructed in the described manner head 2 and the longitudinal seam 3 is positioned on the cut-out - straight line 7 or groove 10.
  • the cut-out 7 or 10 serves as a repository which accommodates the thickening of the seam 3.
  • the outer profile of the tube body in the area of the longitudinal seam 3 has same smooth surface which the tube body has laying outside of the seam area 3.
  • the gap between body 1 and head 2 is minimal and is filled with molten material during the welding process, which ensures no leakage in the tube.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Tubes (AREA)

Abstract

The tube is for liquid and viscous products. It has an improved appearance in the welding zone (4). The laminate foil tubular body (1) has a longitudinal seam (3). The top end of the body (1) is welded to a head (2). The bottom end of the body (1) is closed with an end seal (5). The contour (6) of the head (2) in the area where the longitudinal seam (3) is located after welding of the body (1) to the head (2), has a cut-out (7), which allows the outer contour of the tube in the area of the longitudinal seam (3) to follow the same curve as the outer contour laying outside the longitudinal seam (3) area. The cut-out (7 or 10) in the head (2) of the tube with a laminated foil tubular body (1) can be a straight line or a groove. The basic contour (6) of the head (2) outside the cut-out (7 or 10) may or may not be round.

Description

TUBE WITH A LAMINATED FOIL TUBULAR BODY
TECHNICAL FIELD
The tube with a laminated foil tubular body is for the packaging of liquid and viscous products and is applicable to the packaging industry.
STATE OF THE ART
Tubes with a laminated foil tubular body are well known in the art and are widely used for packaging of various products. Such tubes consist of a tubular body welded to a head with a round or non-round shape. The head has an opening for squeezing the product out and is usually closed by a cap. After filling, the tubes bottom end is sealed closed by welding. Such an existing tube with a laminate foil tubular body is shown in Patent No. US3307738. The tubular body is made of laminated foil, folded around a mandrel, the two overlapping edges are welded together and the resulting pipe is cut into required lengths. The body is then welded to the head. The head is usually round in cross section in the area of the weld, but different shaped tubes with a non-round section are also known [WO2006/072865]. Since the longitudinal seam is formed by overlapping the two edges of laminated foil the seam thickness is significantly greater than the thickness of the non-welded laminate foil even after compressing during the weld. The contour of the head in the weld area is a smooth curve (circle, oval, etc.) before welding, but after welding the outer contour of the tube in the area of the longitudinal seam is significantly different resulting in a degraded appearance of the tube.
Another disadvantage of the known tube is a deteriorated quality of the weld between the head and the body due to the increased thickness of the seam. This can lead to the occurrence of non-welded areas where the product can leak. BRIEF DESCRIPTION OF THE INVENTION
The task of the invention is to create a tube with a laminated foil tubular body with an improved appearance of the weld between the head and body in the area of the body's side seam and with an increase in the overall quality of the tube.
The invention achieves these goals by creating a tube with a laminate foil tubular body incorporating a longitudinal seam. The top end of the body is welded to the head. The bottom end of the body is closed with an end seal. The contour of the head has a cut-out positioned in the welding zone where the longitudinal seam is located which allows the outer contour of the tube, in the area of the longitudinal seam, to follow the same curve as the contour outside of the longitudinal seam area.
The bottom of the cut-out in the head of the tube can be a straight line.
The bottom of the cut-out in the head of the tube can be a groove.
The contour of the head, outside of the cut-out, can be not round.
The tube with a laminated foil tubular body has an improved appearance and the weld between the head and body, in the area of the side seam, is of better quality.
DESCRIPTION OF THE FIGURES
• Fig. 1 is a general view of a tube with a laminated foil tubular body.
• Fig. 2 is a cross section (AA) of the head of the tube in the welding area of the body to the head with a cut-out - straight line.
• Fig. 3 is a cross section (AA) of the tube with a longitudinal seam in the area of the cut-out - straight line.
• Fig. 4 is a cross section (AA) of the head of the tube in the welding area of the body to the head with a cut-out - groove.
• Fig. 5 is a cross section (AA) of the tube with a longitudinal seam in the area of the cut-out - groove. EXEMPLARY EMBODIMENT AND FUNCTIONING OF THE
INVENTION
The invention is explained in more detail with an embodiment of the tube with a laminate foil tubular body shown in the figures.
The tube has a tubular body 1 made of laminated foil (Fig. 1), the body 1 has a longitudinal seam 3. The top end of body 1 is welded to head 2. The bottom end of the body 1 is closed with an end seal 5. The contour 6 of the head 2 in the area where the longitudinal seam 3 is located after welding, has a cut-out 7 (Fig. 2) or groove 10 (Fig. 4) which allows the outline of the tube, in the longitudinal seam 3 area, to follow the same tube contour laying outside of the longitudinal seam 3 area.
In the tube with a laminate foil tubular body 1 the bottom of the cut-out in the head 2 can be in a straight line 7 (Fig. 2).
In the tube with a laminate foil tubular body 1 the bottom of the cut-out in the head 2 can be a groove 10 (Fig. 4).
In the tube with a laminate foil tubular body 1 the contour 6 of the head 2 outside the cut-out 7 (straight line) or cut-out 10 (groove) can be not round.
The production of the tubular body 1 of the tube is carried out by any of the known ways in which, because of the overlap of the edges of the laminate foil, the longitudinal seam 3 has a thickness greater than that of the foil.
During the design stage the initial external profile of the head 2 is proportional to the desired final profile of the tube, round, oval, and others. The area of the head 2 where the longitudinal seam 3 will be positioned also is determined.
In the welding zone 4 of the body 1 with the head 2, for any section of the head 2 with a plane, perpendicular to the axis of the tube, contour 6 of the section of the initial external profile of the head 2 is determined. In the area in which the longitudinal seam 3 is positioned a straight line 8 is drawn, tangent to contour 6. A straight line 9 is drawn parallel to line 8 and at a distance D, providing width L of the cut-out 7, equal to the width of the longitudinal seam 3. The section of the line 9 and the contour 6 form the bottom of the cut-out 7.
Alternatively, instead of the straight line 9 a curved line is drawn which corresponds to the internal contour of the tube in the area of the longitudinal seam 3. The line forms a groove 10 in the head 2.
A tubular body 1 is welded to the constructed in the described manner head 2 and the longitudinal seam 3 is positioned on the cut-out - straight line 7 or groove 10. The cut-out 7 or 10 serves as a repository which accommodates the thickening of the seam 3. Thus, despite the increased thickness of the longitudinal seam 3 the outer profile of the tube body in the area of the longitudinal seam 3 has same smooth surface which the tube body has laying outside of the seam area 3. In addition, the gap between body 1 and head 2 is minimal and is filled with molten material during the welding process, which ensures no leakage in the tube.

Claims

PATENT CLAIMS
1. Tube with a laminated foil tubular body (1), which body (1) has a longitudinal seam (3), the top end of the body (1) is welded to the head (2), the bottom end of the body (1) is closed with an end seal (5), characterized in that the contour (6) of the head (2) in the area where the longitudinal seam (3) is located after welding of the body (1) to the head (2), has a cut-out (7 or 10) that allows the outer contour of the tube in the area of the longitudinal seam (3) to follow the same curve as the outer contour of the tube outside the area of the longitudinal seam (3).
2. Tube with a laminate foil tubular body (1) according to claim 1, characterized in that the bottom of the cut-out (7) is a straight line.
3. Tube with a laminate foil tubular body (1) according to claim 1 , characterized in that the bottom of the cut-out (10) is a groove.
4. Tube with a laminate foil tubular body (1) according to claims 1, 2 and 3, characterized in that the basic contour (6) of the head (2) outside the cut-out (7 or 10) is not round.
EP12740868.0A 2012-05-02 2012-06-22 Tube with a laminated foil tubular body Withdrawn EP2844577A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BG10111203A BG111203A (en) 2012-05-02 2012-05-02 Tube with pipe body of laminated foil
PCT/BG2012/000017 WO2013163702A1 (en) 2012-05-02 2012-06-22 Tube with a laminated foil tubular body

Publications (1)

Publication Number Publication Date
EP2844577A1 true EP2844577A1 (en) 2015-03-11

Family

ID=46598321

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12740868.0A Withdrawn EP2844577A1 (en) 2012-05-02 2012-06-22 Tube with a laminated foil tubular body

Country Status (3)

Country Link
EP (1) EP2844577A1 (en)
BG (1) BG111203A (en)
WO (1) WO2013163702A1 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3307738A (en) 1964-05-22 1967-03-07 American Can Co Laminated collapsible tube
US3874558A (en) * 1972-11-24 1975-04-01 Colgate Palmolive Co Dispensing container manufacturing apparatus and methods
EP1679265A1 (en) 2005-01-06 2006-07-12 Aisapack Holding SA Tube with non-circular cross-section, its manufacturing method and apparatus therefor

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2013163702A1 *

Also Published As

Publication number Publication date
WO2013163702A1 (en) 2013-11-07
BG111203A (en) 2013-11-29

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