Sheet metal nail for securing coverings to cementitious material

Details Sheet metal nail for securing coverings to cementitious material Sheet metal nail for securing coverings to cementitious material

1976-10-22

1977-08-23

Parsons, Jr., Marion

85 31, E01B 912

Patent

active

040432467

ABSTRACT:
An improved fastener of the sheet metal type for anchoring coverings to soft, not-fully cured cementitious masses, has a head or cap portion and a hollow shank portion comprised of a pair of generally U-shaped, opposed legs, one leg being substantially fully enclosed within the other, one such leg being rigidly fixed to said head, the other leg being hingedly connected to the head whereby the rigid leg ensures proper alignment of the head with the surface of the covering material and the hinged leg is caused to spread upon installation and thereby lock the fastener within the cementitious mass.

REFERENCES:
patent: 2498627 (1950-02-01), Hallock
patent: 3466967 (1969-09-01), Hallock
patent: 3710672 (1973-01-01), Hallock
patent: 3812817 (1974-05-01), Hallock
patent: 3905549 (1975-09-01), Walker

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