Static molds – Mold element – In situ construction engineering or building type
Patent
1981-01-21
1982-12-14
Hoag, Willard E.
Static molds
Mold element
In situ construction engineering or building type
24115M, 241226, 52223L, 52230, 249213, 249217, 249219R, 425111, E04G 1708, E04G 1704, E04G 1106
Patent
active
043634621
ABSTRACT:
The formwork for a concrete structural member includes a recoverable formwork part. This recoverable part has an axially elongated sheath which closely encloses a tendon over a relatively long portion of the length of the sheath. A cup-shaped part formed integrally with the sheath is arranged to form at least a portion of a recess in the concrete member. When assembled on the formwork, one end of the sheath is arranged to be located within the concrete when it is poured and the other end is located on the exterior of the formwork. The cup-shaped part is located intermediate the ends of the sheath and just inside the formwork. A member is engageable with the sheath for attaching it to the formwork.
REFERENCES:
patent: 3605361 (1971-09-01), Howlett et al.
patent: 3833706 (1974-09-01), Edwards
patent: 3877113 (1975-04-01), Reyes
patent: 3956797 (1976-05-01), Brandestini et al.
Jungwirth Dieter
Wlodkowski Johann
Dyckerhoff & Widmann Aktiengesellschaft
Hoag Willard E.
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