Static molds – In situ construction engineering type or building type-mold... – Forming road – side walk – or curb in situ
Patent
1976-02-11
1977-06-21
Spicer, Jr., Robert L.
Static molds
In situ construction engineering type or building type-mold...
Forming road, side walk, or curb in situ
52396, 52699, 404 51, E01C 1950
Patent
active
040306933
ABSTRACT:
A longitudinal joint is supported adjacent the paving form by a plurality of hangers, each of which includes an attaching portion for affixing to the paving form, thus obviating the need for chair supports or other known devices for supporting a longitudinal joint. Each of these hangers includes a support-holder portion extending at an acute angle with respect to the paving form, defining an angle for receiving a portion on the longitudinal joint. This both supports the joint vertically and restrains it against horizontal movement away from the paving form. In addition the longitudinal joint is modified so that the normal apertures for receiving the extension of the tie bar, instead of being formed in a flat surface of the joint, are provided in a plane substantially perpendicular to the length or axis of the joint. The portions of the joint adjacent each bar-receiving aperture are concave and convex, in opposite directions, to allow the tie bar to be inserted behind the joint after the joint is affixed in place and supported on the road form. The tie bar can have its extremity farthest away from the joint bent at right angles to engage the ground and thus to form a support for the tie bar, doing away with the need for a bar support. Various types of hangers can be provided, for use with both metal and wooden longitudinal joints. The attaching portion can be a hook extending through an aperture in the paving form, or a longer extension which goes over and around the top of the form. With wooden forms, the attaching portion of the hanger can be a simple eye for receiving a nail to support the hanger adjacent the form.
REFERENCES:
patent: 1905023 (1933-04-01), White
patent: 1948213 (1934-02-01), Heltzel
patent: 1956046 (1934-04-01), Robertson
patent: 2661515 (1953-12-01), Nelsson
patent: 2730784 (1956-01-01), Salisbury
patent: 3195209 (1965-07-01), Klausner
patent: 3508365 (1970-04-01), Ellis
Jennings, Jr. James J.
McQuade John
Spicer, Jr. Robert L.
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