Device for and method of joining sheet material

Details Device for and method of joining sheet material Device for and method of joining sheet material

1982-02-25

1984-05-15

Hafer, Robert A.

Buckles, buttons, clasps, etc.

Buckles

One-piece

24459, 24576, 160327, 160383, 160391, A44B 1700, A44B 2100

Patent

active

044479352

ABSTRACT:
A device for mechanically joining sheet material, comprising a separable fastener which may have a pair of complementary extruded plastic members provided with resiliently separable interlocking fastener profiles, and at least one, and generally both, of the fastener members having releasable jaw extension structure for receiving and gripping and retaining sheet material to be joined. In certain forms, the jaw structure includes locking bar means arranged to be inserted into a cavity of the jaw structure. The jaw structure may be extruded from a plastic of greater durometer than the interlocking profiles.

REFERENCES:
patent: 2739089 (1956-03-01), Hageltorn
patent: 2784781 (1957-03-01), Rhoades
patent: 3049779 (1962-08-01), Ausnit
patent: 3068939 (1962-12-01), Commisso
patent: 3142550 (1964-07-01), Kuehne
patent: 3203062 (1965-08-01), Ausnit
patent: 3373464 (1968-03-01), Ausnit
patent: 3379237 (1968-04-01), Worthington
patent: 3552476 (1971-01-01), Le Tarte
patent: 3818550 (1974-06-01), Cresswell
patent: 3965546 (1976-06-01), Hickle
patent: 4053008 (1977-10-01), Baslow
patent: 4107826 (1978-08-01), Tysdal

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