A - Human Necessities – 41 – H
Patent
A - Human Necessities
41
H
218/6
A41H 37/04 (2006.01) A41H 37/10 (2006.01) B29C 65/60 (2006.01) B29C 65/08 (2006.01)
Patent
CA 1126700
21 Abstract: The present invention relates to a method to fasten an element as buttons to a textile material, which element (76) is made of plas- tic material and comprises a main body (77) intended to be positioned on the one side of the textile material (79) and a projection (78) which at least partly shall extend through the textile material and be deformed to a deformation head on the opposite of the textile ma- terial relative to the side, where said main portion is positioned. The method is characterized by the deformation head being formed by means of a tool (60) subjected to oscillations in the ultrasonic range being pressed against the end of the projection (78) in such a way that the material of the same by yielding forms the deformation head, and by the projection in at least the inner portion which occu- pies a position between the deformation head formed and the main portion of the object being designed with a smoothly developing pro- file without any abrupt sectional changes and with a rounded passage blending into the main portion. The invention also relates to an apparatus for performing a form of the method by application of buttons (76) to pieces of garment and similar, which buttons are arranged in a group of a determined formation, the piece of garment being provided with button openings, as for example button holes (81) in a corresponding formation, to- gether with which which button holes the buttons are buttoned up when the method is carried out in the apparatus.
335623
Gowling Lafleur Henderson Llp
Petersson (bengt) New Products Investment Ab
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