Automatically-releasable pipe-attachment device

Details Automatically-releasable pipe-attachment device Automatically-releasable pipe-attachment device

1987-11-03

1989-02-14

Woo, Jay H.

Static molds

Miscellaneous mold adjuncts

In situ construction engineering or building type

52220, 52699, 249 39, 249 91, 249177, 2492191, 285 64, E04G 1506

Patent

active

048041602

ABSTRACT:
Pipe-attachment apparatus (10) for attaching a pipe (22) to a concrete-form wall (16) includes a first attachment device (12,44,56) to be attached to the concrete-form wall and a second-attachment device (14,58) having a radially directed surface for contacting a surface of the pipe and thereby helping to support the pipe. One of the first or second attachment devices includes an axially-extending protrusion (30,70) and the other includes an axially-extending cavity (24,62) for slidably receiving the protrusion. With this arrangement, the second attachment device aids in supporting the pipe from the concrete-form wall during the pouring of concrete, but after the concrete has cured, the first and second attachment devices easily slide away from one another leaving the first attachment device on the concrete form wall and the second attachment device on the pipe.

REFERENCES:
patent: 1603245 (1926-10-01), Pederson
patent: 1746696 (1930-02-01), Dows
patent: 1908796 (1933-05-01), Suchan
patent: 2085959 (1937-07-01), Donegan
patent: 2249824 (1941-07-01), Hall
patent: 4198798 (1980-04-01), Haydock
patent: 4261598 (1981-04-01), Cornwall
patent: 4453354 (1984-06-01), Harbeke
patent: 4619087 (1986-10-01), Harbeke
patent: 4619471 (1986-10-01), Harbeke
patent: 4642956 (1987-02-01), Harbeke

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