Apparatus and method for applying a fastener to sheet material

Details Apparatus and method for applying a fastener to sheet material Apparatus and method for applying a fastener to sheet material

A - Human Necessities

41

H

218/6

A41H 37/10 (2006.01) A41H 37/00 (2006.01)

Patent

CA 1302360

ABSTRACT OF THE DISCLOSURE A method and apparatus for applying a fastener having a body member and a rivet member to a compliant sheet material includes anti-pucker apertured member having an opening therein coaxially aligned with first and second tool members. The inner peripheral wall of the apertured member is of substantially the same cross-sectional configuration as the body of the fastener, the opening of the apertured member being of a size large enough to accept the body of the fastener with the upper portion of the inner peripheral wall of the opening adapted to cooperate with the outer peripheral surface of the body of the fastener to capture the material therebetween and stretch the material taut over the bottom end of the body of the fastener such that a post member can pierce the material land be received within a recess in the bottom end of the body without wrinkling or puckering the Material.

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