EP0897676A2 - Bande de crochets pour une fermeture du type à crochets et à boucles ainsi que son procédé de fabrication - Google Patents

Bande de crochets pour une fermeture du type à crochets et à boucles ainsi que son procédé de fabrication Download PDF

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Publication number
EP0897676A2
EP0897676A2 EP98115379A EP98115379A EP0897676A2 EP 0897676 A2 EP0897676 A2 EP 0897676A2 EP 98115379 A EP98115379 A EP 98115379A EP 98115379 A EP98115379 A EP 98115379A EP 0897676 A2 EP0897676 A2 EP 0897676A2
Authority
EP
European Patent Office
Prior art keywords
hook
track
particular according
adhesive layer
hole
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Withdrawn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
EP98115379A
Other languages
German (de)
English (en)
Other versions
EP0897676A3 (fr
Inventor
Klaus Hölzel
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.)
Vorwerk and Co Interholding GmbH
Original Assignee
Vorwerk and Co Interholding 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
Priority claimed from DE19836396A external-priority patent/DE19836396A1/de
Application filed by Vorwerk and Co Interholding GmbH filed Critical Vorwerk and Co Interholding GmbH
Publication of EP0897676A2 publication Critical patent/EP0897676A2/fr
Publication of EP0897676A3 publication Critical patent/EP0897676A3/fr
Withdrawn legal-status Critical Current

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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
    • A44B18/0073—Attaching means
    • 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
    • A44B18/0046—Fasteners made integrally of plastics
    • A44B18/0049—Fasteners made integrally of plastics obtained by moulding processes

Definitions

  • the invention relates to a hook track for one consisting of a hook track and a loop track Velcro fastener, the hook web made of a plastic such as polypropylene or Polyethylene, and film-like, preferably in the extrusion process, is formed, with further top Arresting elements in the form of hooks, mushroom heads or the like are formed, whereas the underside smooth surface with an applied self-adhesive layer is trained, as well as a method for Production of a hook track.
  • Such hook tracks for Velcro are known.
  • hook tracks for Laying of flooring used.
  • the hook web which has a protective cover, is seated especially in the case of a smooth laying reason in all Usually pretty firm. Since it is with wider hook frames trapped air easily proves the lack of repositionability is disadvantageous.
  • the optical exterior is disturbed because of the air pockets definitely on the tread of the carpet or of the carpet tiles. On inspection it can even such air pockets migrate.
  • the corresponding total perforation comes furthermore towards a sustainable drying tendency, For example, if the flooring is not quite on dried screed was applied. It is so a constant breathing ability. On the other hand suffers the stability of the film-like base body of the hook track Not.
  • the perforation brings at most in certain Limits compliance with the narrowing of the area.
  • the dome-like bulge is best through the perforated plate-like perforation element compensates.
  • Gas chambers are excluded.
  • the through holes can be kept so small that practical in the event of later wet cleaning diffusion-like conditions exist.
  • the invention proposes that the width of the Hook valve the diameter dimension of a common air inclusion between the hook track and the assigned floor area by more than five times.
  • the measure that the connection is advantageous in the area of the assigned longitudinal edge one on the underside of the hook track, the longitudinal edge connecting, separate film tape formed is. It proves to be advantageous in use, that the foil tape with the single hook webs is glued in each case. There is also an advantageous one Characteristic in that the film strip within a thickness the self-adhesive layer is arranged. Therefore the risk that the adhesive bridge looms, also cleared out. It is also proposed that the Foil tape on its facing away from the single hook webs Side is covered by the self-adhesive layer. Also it is favorable that the self-adhesive layer in the area of the film strip one around the thickness of the film strip and the adhesive layer between the foil tape and the single hook tape has reduced thickness.
  • the through hole is rectangular in cross section having. Starting from this geometric Hole shape is still suggested that the through hole is slit-like and the slit-like Through holes with their longer slit edges run in the longitudinal direction of the hook path. The latter favors the surface stability of the hook track when Embarrassed.
  • a hook track for one consisting of a hook track and a loop track Velcro fastener the hook web made of a plastic such as polypropylene or Polyethylene, and film-like, preferably in the extrusion process manufactured, is formed, wherein arrest elements in the form of hooks, Mushroom heads or the like are formed, whereas the underside is smooth with an applied one Self-adhesive layer is formed characterized by an energy beam or thermo-mechanical through holes in the hook path be trained, which also applied to the underside Apply self-adhesive layer.
  • the through holes be formed by laser exposure.
  • the advantage of use precise control also with regard to the depth of perforation.
  • the hook web a width is given which is the diameter dimension a common air trap between the hook track and assigned floor space by more than five times exceeds. It is also taken into account that a Through hole with a diameter of approx. 1 to 5mm, preferably has 2mm. Such sizes are gluey no longer closable. It is also ensured that a hole diameter to the dimension of a hook or Mushroom head is adjusted so that the hole diameter about 1 to 2 times the base projection the hook or mushroom heads corresponds. There is also a Feature of the invention in that about the laser exposure through the through hole in alignment also one attached under the hook track Cover film is detected. It acts as a melting shield.
  • the cover film can also be in the perforation should be included by the under the Cover sheet attached to the hook track also through the Through hole is detected.
  • the hook track from at least two by gluing along the associated longitudinal edge edges connected to each other Single hook strips are put together.
  • the connection in the area of the assigned Longitudinal edge edges through an underside of the hook web arranged, separate, connecting the longitudinal edge edges Foil tape is formed. This foil tape will glued to the single hook strips.
  • the procedure is still characterized by the measure, that the film strip within a thickness of the self-adhesive layer is arranged. This avoids the step side noticeable protrusions.
  • the foil tape on its the single tracks opposite side covered by the self-adhesive layer becomes.
  • a one-piece hook track 1 from the start is extruded and consists of, for example Polypropylene or polyethylene.
  • the hook track 1 forms part of a surface fastener, usually referred to as Velcro, whose other part at the bottom of one is not here flooring shown is realized. In this regard is primarily glued to the back the nonwoven web associated with the lining goods. The latter forms the so-called loop track of the Velcro fastener.
  • arresting elements on the top of the hook track 1 2.
  • They go into one Hook head 4 over.
  • the only enlarged as a relatively small Cutout 3 shown hooks are paired placed side by side. Between each There is a gap of approximately the width of one in pairs Pair of hooks (measured from the flat sides).
  • the Hook opening 5 paired hook 3 is in opposite directions aligned.
  • the hooks 3 are each in a row. she form multiple rows of hooks.
  • the corresponding row-shaped arrangement is by a linear structure represented symbolically in FIG. 3.
  • hook 3 as arresting elements 2 can, as from seen in the second embodiment, also mushroom-shaped or trumpet-shaped pins the Velcro parts put.
  • the trumpet-shaped pens are particularly clear from Fig. 8. These elements are throughout in the text as mushroom heads 6 designated.
  • the underside of the hook track 1 is smooth. she carries a self-adhesive layer 7. It can be pressure sensitive adhesive act.
  • the self-adhesive layer 7 allows one non-slip setting of a film-like base 8 having a hook track 1. Is in stock the self-adhesive layer 7 by a protective cover in Covered form of a cover sheet 9. This secures the Power of the adhesive layer.
  • the cover sheet 9 can but pull off well. It itself forms the necessary one Interface. On the other hand, it can also be an associated silicone layer.
  • the hook web 1 laid a floor surface 10.
  • the one given from home Airtightness of the film-like base 8 and mostly also the self-adhesive layer 7 resulted easy to trap air between the mostly smooth Floor surface 10 and the hook track 1.
  • Such air pockets resulted in bulge-like increases that are due to the top of the flooring usually clear signed off.
  • Such a grievance is now fixed that the hook track has 1 through holes L.
  • These through holes L also cover the underside attached self-adhesive layer 7 of the hook track 1.
  • the trapped holes escape through the through holes L. Air, be it by deliberately pressing in Bump or when walking on the flooring in general.
  • the diameter of a through hole L is 1mm up to 5mm, preferably 2mm.
  • the cross section of the through hole L can, as shown in FIG. 10, be essentially circular be.
  • the diameter is 2mm there.
  • Fig. 11 shows a rectangular, more precisely square Outline shape of the through hole L.
  • One side length is there 2mm.
  • the distances between the through holes L are at the basic version shown in Figures 3 and 4 shorter than that shown in Figures 10 to 11 Variants.
  • the first, relatively small perforation is arranged at a distance of 8mm x 8mm.
  • distances of 5mm are also conceivable, this at a diameter or a side length of the through holes L of also 5mm.
  • FIG. 10 to 12 show a larger one Distance between the through holes L.
  • the distance arranged in rows in both directions Perforations are about 15mm.
  • the variant Fig. 12 leaves a slot-like design of the through holes L.
  • These slit-like Through holes L run with their longer slit edges in the longitudinal direction of the hook track 1.
  • the slot length with a width of 2mm is approx. 5mm.
  • Conceivable are lengths up to 20mm at a distance of up to 30 or even 40mm.
  • the slot-like through holes L also lie as perforation in rows in both directions.
  • the through holes L are in the hook track 1 through generates an energy beam or thermo-mechanical.
  • the through holes L are achieved with Help of laser technology. This creates relatively small ones Perforations.
  • the laser capacity is defined so that the existing siliconized PE film, speak cover 9, not perforated, but only the PP Velcro tape, i.e. hook track 1.
  • the self-adhesive layer 7 lying in the weft direction is perforated exactly, i.e. evaporates. Stay like that no obstacles blocking the ventilation path more. With increased laser capacity, however, can even completely penetrated through holes L reached are so that the cover sheet 9 is also detected is.
  • Punching the film-like base 8 of the hook track 1 4 shows the holes in the cover film.
  • the perforation inclusion up to the first Degree creates a clean lower hole edge 11 the side facing the self-adhesive layer 7 and also leads to a displacement of the edge of the glue hole the layer gap back. Add to that the through hole L is delimited by a melting edge 12 (cf. Fig. 5).
  • Said melting edge 12 is as a raised crater rim recognizable, the ring bulge the top of the film-like base of the hook track 1 clearly overhanged. This leads to melting and between Arrest elements 2. Overall there is a short Tube body with serrated hook projections over the ridge. In this way, they are created laterally different ventilation shafts open on the transverse side 13.
  • the width of a hook track 1 comprises at least that Diameter measurement of a common air inclusion between hook track 1 and assigned floor area 10 um exceeding five times. Because only with relative large-scale hook lanes 1 with otherwise hermetic closed film-like base 8 can such air accumulations arise. For smaller widths, the There is less danger of significant air entrapment or does not matter.
  • Another preferred perforation technique embodied according to another method in that the through holes L be formed by water jet.
  • the holes can be cut precisely, especially while achieving the hole cross sections outlined above.
  • Fig. 6 shows a larger area hook path 1. It there is one of two single hook tracks 1 ' and 1 '' existing hook track with the one already described above Basic structure. It could be a third and fourth hook track in a corresponding manner along the longitudinal edge to be docked.
  • the arrest elements 2 are here in a mixed form such that hook 3 and mushroom heads 6 alternate. Details are the above statements can be removed.
  • single webs are 1 'and 1' 'shown with a width of approx. 32 cm, which can be produced inexpensively in the course of mass production are.
  • the individual lanes 1 and 1 '' become wide their longitudinal edge 14 to be pointed towards one another and 15 with a film strip 16 with the associated Edge areas of the undersides of the single hook webs 1 ', 1 '' connected.
  • welding can also be carried out here the film strip 16 with the single hook webs 1 ', 1 '' of the hook track 1.
  • this Foil tape 16 a width a of about 5cm, this at a total thickness b, including an adhesive layer 17 of about 0.5mm.
  • the hook tap 1 produced by joining has here also on its formed by the film-like base 8 Underside of the self-adhesive layer 7. She is applied so that it also covers the area of the film tape 16 covered with.
  • the film strip 16 is thus in the self-adhesive layer 7 embedded, the further Self-adhesive layer 7 in the area of the film strip 16 one about the thickness b of the film strip 16 and the adhesive layer 17 has a reduced thickness c (see FIG. 9).
  • the thickness b of the film strip 16 and its Adhesive layer 17 by applying the self-adhesive layer 7 balanced. The latter will be appropriate in this area applied less. This results in that the total thickness d (see FIG.
  • the adhesive force of the self-adhesive layer 7 between the film tape 16 and the undersides of the single hook webs 1 ', 1 '' is selected at least as large as that of the self-adhesive layer 7 between the hook track 1 and the floor surface 10. This ensures that the hook track 1 completely when pulled off from the bottom surface 10 can be deducted contiguously.
  • the self-adhesive layer 7 is also here before laying rid of the cover sheet 9. That is roughly shown in Fig. 7, the deduction direction there with Arrow 18 is indicated.
  • the hook path formed from the single hook paths 1 ', 1' ' 1 is perforated in the same way.
  • the reference numbers are, sometimes without repeated text, applied analogously.
  • the melt bead 12 is also good shown visibly.
  • the through hole L includes outside the film tape 16 and the adhesive layer 17 die Self-adhesive layer 7 as well as in the area of the film strip 16 and the adhesive layer 17, shown continuously up to the top of the protective film 9. Self it can be punched all the way through.

Landscapes

  • Adhesive Tapes (AREA)
  • Slide Fasteners, Snap Fasteners, And Hook Fasteners (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
EP98115379A 1997-08-19 1998-08-17 Bande de crochets pour une fermeture du type à crochets et à boucles ainsi que son procédé de fabrication Withdrawn EP0897676A3 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19735886 1997-08-19
DE19735886 1997-08-19
DE19836396A DE19836396A1 (de) 1997-08-19 1998-08-12 Hakenbahn für einen aus einer Hakenbahn und einer Schlaufenbahn bestehenden Klettverschluss sowie Verfahren zur Herstellung einer Hakenbahn
DE19836396 1998-08-12

Publications (2)

Publication Number Publication Date
EP0897676A2 true EP0897676A2 (fr) 1999-02-24
EP0897676A3 EP0897676A3 (fr) 1999-09-01

Family

ID=26039270

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98115379A Withdrawn EP0897676A3 (fr) 1997-08-19 1998-08-17 Bande de crochets pour une fermeture du type à crochets et à boucles ainsi que son procédé de fabrication

Country Status (1)

Country Link
EP (1) EP0897676A3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1366695A1 (fr) * 2002-05-31 2003-12-03 Aplix Ensemble formant moquette comportant une moquette et un dispositif de fixation de la moquette par un systeme a crochets et boucles
WO2007131279A1 (fr) * 2006-05-15 2007-11-22 Carpet Installation And Supplies Pty Ltd Système de revêtement de sol

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB851473A (en) * 1956-01-03 1960-10-19 Kendall & Co Treatment of flexible, thermoplastic, organic polymeric sheets and films
GB1546901A (en) * 1975-10-21 1979-05-31 Allied Chem Releasable carpet
US4568815A (en) * 1982-09-01 1986-02-04 Mitsubishi Denki Kabushiki Kaisha Laser perforating apparatus
US5246775A (en) * 1992-01-03 1993-09-21 Loscuito Salvatore M Self-sticking drywall tape
EP0321978B1 (fr) * 1987-12-23 1994-03-02 Tac-Fast Systems S.A. Recouvrement du revers d'un tapis et procédé de pose
US5382462A (en) * 1993-07-28 1995-01-17 Tac-Fast Systems Sa Carpet tape
GB2283532A (en) * 1993-10-22 1995-05-10 Ykk Europ Ltd Method of manufacturing a continuous elongate tape

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB851473A (en) * 1956-01-03 1960-10-19 Kendall & Co Treatment of flexible, thermoplastic, organic polymeric sheets and films
GB1546901A (en) * 1975-10-21 1979-05-31 Allied Chem Releasable carpet
US4568815A (en) * 1982-09-01 1986-02-04 Mitsubishi Denki Kabushiki Kaisha Laser perforating apparatus
EP0321978B1 (fr) * 1987-12-23 1994-03-02 Tac-Fast Systems S.A. Recouvrement du revers d'un tapis et procédé de pose
US5246775A (en) * 1992-01-03 1993-09-21 Loscuito Salvatore M Self-sticking drywall tape
US5382462A (en) * 1993-07-28 1995-01-17 Tac-Fast Systems Sa Carpet tape
GB2283532A (en) * 1993-10-22 1995-05-10 Ykk Europ Ltd Method of manufacturing a continuous elongate tape

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1366695A1 (fr) * 2002-05-31 2003-12-03 Aplix Ensemble formant moquette comportant une moquette et un dispositif de fixation de la moquette par un systeme a crochets et boucles
FR2840175A1 (fr) * 2002-05-31 2003-12-05 Aplix Sa Dispositif de fixation d'une moquette par un systeme a crochets et boucles
WO2007131279A1 (fr) * 2006-05-15 2007-11-22 Carpet Installation And Supplies Pty Ltd Système de revêtement de sol
GB2452200A (en) * 2006-05-15 2009-02-25 Carpet Installation And Supplies Flooring system
GB2452200B (en) * 2006-05-15 2011-09-14 Carpet Installation And Supplies Pty Ltd Flooring system
AU2007250529B2 (en) * 2006-05-15 2013-02-07 Carpet Installation And Supplies Pty Ltd Flooring system

Also Published As

Publication number Publication date
EP0897676A3 (fr) 1999-09-01

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