Binder device releasably engaging aperture or notch of sheet – Pliant – deformable sheet retainer – Secured by folded portion thereof
Patent
1977-01-26
1978-04-18
Schnall, Jerome
Binder device releasably engaging aperture or notch of sheet
Pliant, deformable sheet retainer
Secured by folded portion thereof
24DIG11, 402 18, 402 80R, 428483, B42F 1304, B42F 1310
Patent
active
040849112
ABSTRACT:
A flexible paper fastener of the type having a flexible plastic tubular member flattened at its midportion, a stiff keeper having friction locks engaging opposite end portions of the tubular member, and a stiff U-shaped bridge releasably engaged in the ends of the tubular member is heat sealed along its midportion to a plastic laminated pressure sensitive adhesive sheet for mounting on a support.
Ames Safety Envelope Company
Schnall Jerome
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