Hook for hook and loop fasteners

Details Hook for hook and loop fasteners Hook for hook and loop fasteners

1988-10-20

1991-01-15

Brittain, James R.

Buckles, buttons, clasps, etc.

Including readily dissociable fastener having numerous,...

Having mounting surface and filaments constructed from...

24442, A44B 1800

Patent

active

049843397

ABSTRACT:
An improved hook for hook and loop fasteners having a profile defined by an inner smoothly contoured generally concave face and an outer generally convex face, said hook comprising a sturdy base intimately engaging a substantially planar base member and extending therefrom to join a resilient hook portion, able to engage a loop applying a force to the hook portion substantially normal to the base member, terminating in a free end, wherein the hook tapers smoothly and continuously downwardly in width from the sturdy base member to the free end such that a loop engaging the hook in tension, with the applied force being substantially normal to the base member, will deform the hook portion resiliently under the applied force to release the loop at a desired applied force and such that a loop engaging the hook in shear, with the applied force substantially parallel to the base member, will engage the sturdy base member, the sturdy base member being sufficiently sturdy that it will not deform to release a loop engaging the hook in shear at or below the desired applied force.

REFERENCES:
patent: 3031730 (1962-05-01), Morin
patent: 3147528 (1964-09-01), Erb
patent: 3312583 (1967-04-01), Rochlis
patent: 3546754 (1970-12-01), Erb
patent: 3708833 (1973-01-01), Ribish et al.
patent: 3762000 (1973-10-01), Menzin et al.
patent: 3913183 (1975-10-01), Brumlik
patent: 4330907 (1982-05-01), Ochiai
patent: 4654246 (1987-03-01), Provost et al.
patent: 4725221 (1988-02-01), Blanz
patent: 4794028 (1988-12-01), Fischer

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