Hole plug for insulated injection wall holes

Details Hole plug for insulated injection wall holes Hole plug for insulated injection wall holes

1977-06-08

1979-02-06

Purser, Ernest R.

Static structures (e.g., buildings)

With adjunctive means for assembly or disassembly

Structure includes tool or opening to provide access for a...

52302, E02D 3500

Patent

active

041376803

ABSTRACT:
An exterior building wall includes insulation injection holes filled by hole plugs. The hole plugs each include a disc-shaped circular outwardly convex head. Arcuate in transverse cross-section legs are radially inwardly offset from the outer peripheral edge of the head. The legs include a series of longitudinally outwardly tapering shoulders which form wall gripping and sealing teeth.

REFERENCES:
patent: 2196785 (1940-04-01), Takiguchi
patent: 2746632 (1956-05-01), Bramming
patent: 3233502 (1966-02-01), Fernberg
patent: 3338447 (1967-08-01), Meyers
patent: 3619437 (1971-11-01), McDonald, Jr.
patent: 3893275 (1975-07-01), Omholt

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