Locking cap with a spring seat between the outer cap and inside

Details Locking cap with a spring seat between the outer cap and inside Locking cap with a spring seat between the outer cap and inside

1979-11-20

1981-12-15

Shoap, Allan N.

Receptacles

Closures

220210, 220306, 220DIG33, B65D 4116, B65D 5514

Patent

active

043055222

ABSTRACT:
A locking cover for a pipe connection having an inner member with a radial sealing flange detachably locked with an overlapping outer cap by means of a locking mechanism. The locking mechanism comprises engaging projections, extending radially inward from the wall of the cap, which in turn includes a guide surface directed inward as well as a connecting surface to engage the sealing flange. The connecting surface is bent in a convex or arcuate shape from the radial inner end of the guide surface to the wall of the cap. Thus, the sealing flange lies with its edge on the connecting surface. In this way the outer cap can spring loose when force of a given magnitude is exerted upon the inner member without breaking the locking mechanism.

REFERENCES:
patent: 2816433 (1957-12-01), Friend
patent: 3516572 (1970-06-01), Davis
patent: 3628686 (1971-12-01), Burton et al.
patent: 3684817 (1972-08-01), Card, Jr. et al.
patent: 3815776 (1974-06-01), MacMillan
patent: 3968880 (1976-07-01), Ostrowsky
patent: 4013191 (1977-03-01), Gerdes
patent: 4079952 (1978-03-01), Nishio et al.
patent: 4136795 (1979-01-01), Crute et al.
patent: 4142756 (1979-03-01), Henning et al.
patent: 4157766 (1979-06-01), Gerdes
patent: 4164302 (1979-08-01), Gerdes
patent: 4168011 (1979-09-01), Lomer
patent: 4177931 (1979-12-01), Evans

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