Static molds – In situ construction engineering type or building type-mold... – Forming road – side walk – or curb in situ
Patent
1988-11-29
1990-02-06
Woo, Jay H.
Static molds
In situ construction engineering type or building type-mold...
Forming road, side walk, or curb in situ
249208, 2492191, 404 47, 404 87, E01C 700
Patent
active
048983586
ABSTRACT:
Concrete form-work includes: (a) an edge beam including an elongated edge plate having a front face and a rear face, a pair of web portions projecting outwardly from said rear face and a flange member joined to the free end of each web portion, each flange member including a plate portion extending outwardly of said web and substantially parallel to said edge plate and a lip portion extending inwardly of the web, (b) a pair of connector members each comprising a plate with a hole for receiving a stake, an off-set wedge-receiving flange at one edge of the plate and a connector flange at the opposite edge of the plate, said connector flange including a J-shaped hook portion for hooking around a said edge beam flange lip and an abutment face for engaging a stake and (c) a wedge member adapted to engage the off-set flanges of said connector member to hold the connector member and force the connector member abutment faces into tight engagement with a stake.
REFERENCES:
patent: Re16694 (1927-08-01), Heltzel
patent: 1032875 (1912-07-01), Braine
patent: 1348060 (1920-07-01), Sheppard
patent: 1690295 (1928-11-01), Heltzel
patent: 2138634 (1938-11-01), Harrington
patent: 2577996 (1951-12-01), Braun
patent: 2875500 (1959-03-01), Stough
patent: 2937430 (1960-05-01), Trentacosti
patent: 3910545 (1975-10-01), Langford
patent: 4340200 (1982-07-01), Stegmeier
Nguyen K. P.
Woo Jay H.
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