Plastic article or earthenware shaping or treating: apparatus – Distinct means to feed – support or manipulate preform stock... – And means to apply stress to preform and uniting in stressed...
Patent
1971-03-01
1976-02-03
Baldwin, Robert D.
Plastic article or earthenware shaping or treating: apparatus
Distinct means to feed, support or manipulate preform stock...
And means to apply stress to preform and uniting in stressed...
52223L, B28B 2304
Patent
active
039362566
ABSTRACT:
A tendon anchorage for use in prestressing concrete members is disclosed which preferably includes a tubular mounting means mounted to extend over the tendon and through an opening in a bearing or anchor plate in order to secure the bearing plate in fixed and aligned relation to a tendon for casting the bearing plate into the concrete member in a predetermined orientation therein. Spacing means between the form board and the anchor plate allow the anchor plate to be cast into a recess in the concrete member. A wedge receiving housing and wedge assembly is positioned in alignment and in abutting relation with the bearing plate after casting of the bearing plate into the concrete.
REFERENCES:
patent: 2069085 (1937-01-01), Day
patent: 3247635 (1966-04-01), Burns
patent: 3399434 (1968-09-01), Kelly
patent: 3408783 (1968-11-01), Rice
patent: 3422586 (1969-01-01), Parma
patent: 3605361 (1971-09-01), Howlett et al.
patent: 3833706 (1974-09-01), Edwards
patent: 3843288 (1974-10-01), Howlett et al.
Howlett George H.
Howlett James W.
Baldwin Robert D.
Conenco International Limited
McQuade John
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