EP1082032A1 - Adhesive closing part, method for producing the same and device for implementing said method - Google Patents
Adhesive closing part, method for producing the same and device for implementing said methodInfo
- Publication number
- EP1082032A1 EP1082032A1 EP98930722A EP98930722A EP1082032A1 EP 1082032 A1 EP1082032 A1 EP 1082032A1 EP 98930722 A EP98930722 A EP 98930722A EP 98930722 A EP98930722 A EP 98930722A EP 1082032 A1 EP1082032 A1 EP 1082032A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- adhesive
- fluorine
- fastener part
- fastener
- foam material
- 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.)
- Granted
Links
Classifications
-
- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
- A44B18/00—Fasteners of the touch-and-close type; Making such fasteners
- A44B18/0069—Details
- A44B18/0076—Adaptations for being fixed to a moulded article during moulding
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T24/00—Buckles, buttons, clasps, etc.
- Y10T24/27—Buckles, buttons, clasps, etc. including readily dissociable fastener having numerous, protruding, unitary filaments randomly interlocking with, and simultaneously moving towards, mating structure [e.g., hook-loop type fastener]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T24/00—Buckles, buttons, clasps, etc.
- Y10T24/27—Buckles, buttons, clasps, etc. including readily dissociable fastener having numerous, protruding, unitary filaments randomly interlocking with, and simultaneously moving towards, mating structure [e.g., hook-loop type fastener]
- Y10T24/2783—Buckles, buttons, clasps, etc. including readily dissociable fastener having numerous, protruding, unitary filaments randomly interlocking with, and simultaneously moving towards, mating structure [e.g., hook-loop type fastener] having filaments constructed from coated, laminated, or composite material
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24008—Structurally defined web or sheet [e.g., overall dimension, etc.] including fastener for attaching to external surface
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24008—Structurally defined web or sheet [e.g., overall dimension, etc.] including fastener for attaching to external surface
- Y10T428/24017—Hook or barb
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24174—Structurally defined web or sheet [e.g., overall dimension, etc.] including sheet or component perpendicular to plane of web or sheet
Definitions
- the invention relates to an adhesive fastener part, in particular for foaming in upholstery parts of vehicle seats during their manufacture, with adhesive elements on one side for connecting to corresponding adhesive elements of another adhesive fastener part to form an adhesive fastener with a connecting means on the other side of the adhesive fastener part for establishing a connection with the respective foam material.
- the invention also relates to a method for producing a corresponding adhesive closure part and an apparatus for using the method.
- Such adhesive fastener parts are known from EP 0 612 485, the adhesive fastener part being inserted in a foaming mold in such a way that the Connecting means in the form of loop elements on the back of the adhesive fastener part come into contact with the respective foam material in order to establish a firm connection with it.
- the opposite front of the fastener part has the adhesive elements in the form of connecting hooks, adhesive heads, mushrooms or the like. on, which are protected against the ingress of foam material, for example by surrounding them over the entire surface with an uncrosslinked thermoplastic, as described in the European specification.
- the adhesive elements are exposed and can later be connected to adhesive elements of another adhesive fastener part, for example in the form of a loop band, to form a conventional adhesive fastener.
- upholstery cover materials can be attached to foamed upholstery parts of a motor vehicle seat or passenger seat, or rotating components, for example in the form of grinding wheels, can be connected to tool holders on conventional grinding machines and devices.
- the foam material mentioned can be extremely thin and have viscosities that are in the range of water or below. It has now been shown that when using loop and loop material as a connecting means or when using adhesive fleece or the like. the loops, which are open per se, are not completely penetrated by the foam material, but rather form a kind of barrier for this, which prevents the penetration of the foam material.
- void points then occur at the transition points between the loop material and the foam, that is to say gaseous hollow inclusions which counteract a firm connection between the adhesive closure part and the foam material. Because of the reduced strength of the connection between Adhesive fastener parts and foam material, particularly in the case of continuous use, lead to a loosening of the connection and the fastener part tears out of the foam material, which overall can render the entire component unusable, for example in the form of a vehicle seat or a grinding wheel holder.
- the invention has for its object to further improve a fastener part of the type mentioned in such a way that a secure and high-strength connection between the fastener part and the foam material used can be achieved. Furthermore, the invention is based on the object of providing a method for producing a corresponding adhesive closure part and an apparatus for using this method. A task in this regard is solved by a fastener part with the features of claim 1, a method with the features of claim 4 and a device with the features of claim 6.
- the connecting means consists of an adhesive medium introduced at least on the other side of the adhesive fastener part, preferably in the form of fluorine, there is a high-strength connection between the adhesive fastener part treated in this way and the respective foam material, which is difficult is releasable, so that there is a long-term secure connection between the adhesive fastener part and the later foam body.
- the adhesive medium creates a surface-selective chemical reaction on the adhesive closure part, which leads to the good connection values with the foam material.
- fluorine is used as the gaseous adhesive medium to be introduced, preferably in the case of adhesive fastener parts made of polyolefin material
- the hydrogen atoms determined on the polyolefin surface are replaced by fluorine atoms. This substitution reaction takes place at room temperature. No start or initial response is required.
- an induced polarity which is one of the main reasons for the good adhesion with the foam material, preferably made of polyurethane foam.
- An advantage of the fluorine treatment is a reliable adhesion to all polyolefins with an otherwise low surface tension, whereby there is an even penetration with the fluorine material, so that even complicated geometries and surfaces including undercuts, cavities, inner surfaces or the like. receive a fluorine treatment that promotes liability.
- a fluorine treatment that promotes liability.
- polar components 40 mN / m and more can be achieved with polyolefin materials.
- the fluorine is applied in a nitrogen atmosphere, the fluorine introduction being able to be carried out well continuously or discontinuously, that is to say with the adhesive closure part running or standing.
- the storage of fluorine nitrogen mixtures in high-pressure cylinders has been state of the art for many years and as far as the toxicology of the gas mixture in question is concerned, this is regulated in a relevant and safe manner in safety data sheets and DIN standards, so that even in large-scale applications there are no health risks to fear.
- the adhesive fastener parts to be treated are exposed to the fluorine nitrogen gas atmosphere in a vacuum chamber. Because of the vacuum chamber, it is avoided with certainty that the fluorine nitrogen gas mixture can escape from the device unintentionally.
- the device in question can carry out a discontinuous process in which the adhesive fastener parts to be treated remain stationary in the device for a predeterminable time or continuously, in which there is a constant entry and exit of a continuous band or a surface of a fastener part.
- the claimed invention is explained in more detail below with reference to the drawing.
- the single figure shows a longitudinal section through the device with which the method according to the invention can be carried out for producing the claimed fastener parts according to the invention.
- the adhesive fastener part presented below is used in particular for foaming upholstery parts of vehicle seats (not shown) during their manufacture.
- the band-like or sheet-like fastener part has on one side adhesive elements 10 for connecting to corresponding adhesive elements of another fastener part (not shown) to form a customary fastener.
- the touch-and-close fastener part shown in the figure is produced using a conventional method, as is shown, for example, by DE 1 96 46 318 A1.
- a connecting means is provided for establishing a connection with the respective foam material, for example in the form of a polyurethane foam, which is introduced into the rear of the fastener part.
- the adhesive fastener part itself is formed from a polyolefin plastic material, polyolefins generally being the general term for polymers of the general structure
- R 1 can mostly stand for hydrogen and R for hydrogen can be a straight-chain or branched saturated aliphatic or a cycloaliphatic group.
- R for hydrogen can be a straight-chain or branched saturated aliphatic or a cycloaliphatic group.
- polymers with aromatic groups for example the phenyl radical (RC & H 5 ), see polystyrene) are also classed as polyolefins.
- Polyolefins with great technical importance in the field of fasteners are, for example, polyethylenes, polypropylenes, polybutenes, which are sometimes also misleadingly called polybutylenes or polybutenes, and also polyisobutenes and poly (4-methyl-1-pentene) e.
- polymers of the higher o-olefins for example polyO-hexene), polyO-octene) or poly-octadecene
- the polyolefins also include copolymers of different olefins, for example those of ethylene with propylene.
- the adhesive medium is preferably fluorine and is introduced into the adhesive closure part via subsequent fluorination.
- the fluorine mentioned is used as F 2 and therefore as a gas, preferably in a nitrogen atmosphere.
- the fluorine gas is preferably introduced at 3% at room temperature and a negative pressure of approximately 650 mbar.
- the process in question is operated continuously, which will be explained in more detail below.
- a temperature of 40 ° to 50 ° C. is preferably selected and the fluorine entry is increased to 10% in the nitrogen atmosphere.
- the device according to the invention has a vacuum chamber 12 in which the adhesive fastener parts are exposed to a fluorine-nitrogen gas atmosphere (F 2 / N 2 ).
- a guide roller 14 is rotatably supported with a direction of rotation according to the part shown.
- the vacuum chamber 1 2 closes in a connection point 1 6 to which a discharge pump (vacuum pump), not shown, is connected.
- the desired vacuum for example 650 mbar, can be set via the relevant connection point 16 within the vacuum chamber 12.
- 1 2 room temperature should prevail in the vacuum chamber.
- the vacuum chamber 1 2 has an inlet 1 8 and an outlet 20 for the untreated or fluorine-treated fastener part.
- first deflecting roller 22 just behind the input 18 and a second deflecting roller 24 shortly before the exit 20 individual adhesive elements 10 can engage in recesses (not shown) on the surface of the guide roller 14 in order to be at least partially removed from the fluorine nitrogen gas atmosphere in this way.
- the fluorine gas is therefore mainly introduced into the fastener part along its rear side, which is loop-free and which is later to establish the connection with the foam material of the part to be foamed.
- the input 1 8 and the output 20 are arranged at a uniform level in the horizontal direction.
- the material transport speed for the tape-like adhesive fastener part is preferably 20 m / min and in the continuous process operation in question, 3% fluorine (F 2 ) is dissolved in the nitrogen atmosphere.
- the temperature in the interior of the vacuum chamber 12 is preferably increased to 40 ° to 50 ° C. and the gaseous fluorine input is increased to 10%. Because of the negative pressure set in the negative pressure chamber 12, the fluorine nitrogen gas mixture cannot escape.
- the entire adhesive fastener part is provided with fluorine, this does not play a role, especially when foaming, provided that the adhesive elements 10 are covered, for example in the form of a separable film or the like.
- the foam is added to the Adhesive elements 10 are effectively avoided by the cover, and the foam material is only connected via the back of the respective closure part treated in this way.
Landscapes
- Lining Or Joining Of Plastics Or The Like (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Slide Fasteners, Snap Fasteners, And Hook Fasteners (AREA)
- Packaging Of Special Articles (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Adornments (AREA)
- Adhesive Tapes (AREA)
- Seal Device For Vehicle (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
- Closing Of Containers (AREA)
Abstract
Description
Claims
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/EP1998/003046 WO1999060879A1 (en) | 1998-05-22 | 1998-05-22 | Adhesive closing part, method for producing the same and device for implementing said method |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1082032A1 true EP1082032A1 (en) | 2001-03-14 |
EP1082032B1 EP1082032B1 (en) | 2002-02-13 |
Family
ID=8166960
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98930722A Expired - Lifetime EP1082032B1 (en) | 1998-05-22 | 1998-05-22 | Adhesive closing part, method for producing the same and device for implementing said method |
Country Status (10)
Country | Link |
---|---|
US (1) | US6733860B1 (en) |
EP (1) | EP1082032B1 (en) |
JP (1) | JP4017344B2 (en) |
AT (1) | ATE213128T1 (en) |
CZ (1) | CZ299114B6 (en) |
DE (1) | DE59803113D1 (en) |
ES (1) | ES2172898T3 (en) |
PL (1) | PL186671B1 (en) |
WO (1) | WO1999060879A1 (en) |
ZA (1) | ZA986081B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006028581A1 (en) * | 2006-06-22 | 2007-12-27 | Gottlieb Binder Gmbh & Co. Kg | Method and device for surface functionalization of adhesive fastener parts |
DE102008048205A1 (en) * | 2008-09-20 | 2010-04-01 | Gottlieb Binder Gmbh & Co. Kg | Process for the surface functionalization of an adhesive closure part and adhesive closure part produced by the process |
US11160334B2 (en) | 2017-08-18 | 2021-11-02 | Velcro Ip Holdings Llc | Fastener element shape |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3364058A (en) * | 1964-01-16 | 1968-01-16 | Selby Battersby & Co | Composite floor and deck covering structure |
US4009304A (en) * | 1971-09-30 | 1977-02-22 | Air Products And Chemicals, Inc. | Fluorinated polyester tire reinforcement materials |
DE3900619A1 (en) * | 1989-01-11 | 1990-07-12 | Nordson Corp | METHOD AND DEVICE FOR PRODUCING A ONE-SIDED POROESE SHEET WITH ADHESIVE |
DE19505188A1 (en) * | 1995-02-16 | 1996-08-22 | Basf Ag | Multi-layer, fluorine-containing polymeric material |
GB2303566A (en) * | 1995-07-21 | 1997-02-26 | Ykk Europ Ltd | Self-sdhesive fastener |
JP3577166B2 (en) * | 1996-05-31 | 2004-10-13 | Ykk株式会社 | Hook-and-loop fastener |
-
1998
- 1998-05-22 CZ CZ20004089A patent/CZ299114B6/en not_active IP Right Cessation
- 1998-05-22 EP EP98930722A patent/EP1082032B1/en not_active Expired - Lifetime
- 1998-05-22 PL PL98345094A patent/PL186671B1/en unknown
- 1998-05-22 WO PCT/EP1998/003046 patent/WO1999060879A1/en active IP Right Grant
- 1998-05-22 JP JP2000550354A patent/JP4017344B2/en not_active Expired - Lifetime
- 1998-05-22 AT AT98930722T patent/ATE213128T1/en not_active IP Right Cessation
- 1998-05-22 DE DE59803113T patent/DE59803113D1/en not_active Expired - Lifetime
- 1998-05-22 ES ES98930722T patent/ES2172898T3/en not_active Expired - Lifetime
- 1998-05-22 US US09/700,910 patent/US6733860B1/en not_active Expired - Lifetime
- 1998-07-09 ZA ZA9806081A patent/ZA986081B/en unknown
Non-Patent Citations (1)
Title |
---|
See references of WO9960879A1 * |
Also Published As
Publication number | Publication date |
---|---|
ZA986081B (en) | 2000-01-20 |
CZ299114B6 (en) | 2008-04-23 |
PL345094A1 (en) | 2001-12-03 |
EP1082032B1 (en) | 2002-02-13 |
US6733860B1 (en) | 2004-05-11 |
CZ20004089A3 (en) | 2001-11-14 |
JP2002516123A (en) | 2002-06-04 |
ATE213128T1 (en) | 2002-02-15 |
DE59803113D1 (en) | 2002-03-21 |
PL186671B1 (en) | 2004-02-27 |
ES2172898T3 (en) | 2002-10-01 |
JP4017344B2 (en) | 2007-12-05 |
WO1999060879A1 (en) | 1999-12-02 |
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