Method for producing an adhesive closing element

Details Method for producing an adhesive closing element Method for producing an adhesive closing element

2007-04-03

2007-04-03

Johnson, Christina (Department: 1732)

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Of varying cross-sectional area or with intermittent...

C264S173100, C264S210100, C264S334000

Reexamination Certificate

active

10343154

ABSTRACT:
A process for produces an adhesive closing element including a plurality of hook elements connected to a backing (10) forming a single piece with the hook elements and being disposed symmetrically thereon. The hook elements are provided in the form of a stem component (17) having a head piece (16). A deformable material is introduced into a forming zone in between a production master (3) and a forming tool (5). The opposite-lying defining walls, at least when seen in a longitudinal section of the respective forming cavity (12), are provided with a continuous convex trajectory. A continuous transition between the cross-sectional forms of the stem component (17) and the head piece (16) is provided for a hooking of the backing (10) resulting in seamless removal.

REFERENCES:
patent: 4894060 (1990-01-01), Nestegard
patent: 5116563 (1992-05-01), Thomas et al.
patent: 5312456 (1994-05-01), Reed et al.
patent: 6127018 (2000-10-01), Akeno et al.
patent: 6287665 (2001-09-01), Hammer
patent: 6669884 (2003-12-01), Tuma
patent: 10248866 (1997-03-01), None
patent: 9820767 (1998-05-01), None
patent: WO 00/25620 (2000-05-01), None
patent: 0050208 (2000-08-01), None
Translation of WO 00/25620 by Jan Tuma, “Method for producing an adhesive closing element”(May 2006).
Translation of WO 98/20767 by Pavel Hammer, “Method and device for producing a hook-and-pile type closure part from thermoplastic plastics” (May 2006).

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