A - Human Necessities – 44 – B
Patent
A - Human Necessities
44
B
26/165
A44B 17/00 (2006.01)
Patent
CA 1268930
METHOD OF ATTACHING A SNAP FASTENER TO SHEET MATERIAL ABSTRACT Disclosed is a method of attaching a snap fastener part to a section of sheet material, the snap fastener part comprising an operative component and a securing component, both the components being formed of plastics material, with the operative component having a base wall with an opening therethrough and a tubular portion surrounding the opening and projecting from one side of the base wall. Snap engaging means is provided on the tubular portion, and the securing component has a pin and a cap flange at one end thereof, the pin being adapted to pass through the opening so that a terminal end portion thereof is located beyond the one side of the base wall. The terminal end portion is deformable when so located to secure the two components against separation, and at least a peripheral portion of the cap flange slopes outwardly in a direction towards the terminal end of the pin. The method includes the steps of, causing the pin to pierce the sheet material, locating the operative component over the pin so that the sheet material is inter- posed between the cap flange and the base wall and the pin projects through the opening so that the terminal end portion thereof projects beyond the one side of the base wall, applying pressure to the terminal end of the pin to deform same to an extent such that the pin cannot be withdrawn out of the opening, applying axial pressure to both the components to press them together and thereby reduce or remove by deformation the slope of the cap flange, and maintaining the axial pressure during the deformation of the pin terminal end.
598281
Finlayson & Singlehurst
W.a. Deutsher Pty. Ltd.
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