Foldable bearer structure for inner moulds

Details Foldable bearer structure for inner moulds Foldable bearer structure for inner moulds

1977-12-20

1979-09-18

McQuade, John

Static molds

Mold element

In situ construction engineering or building type

182152, 249210, E04G 1714

Patent

active

041680529

ABSTRACT:
A foldable bearing trihedron for inner moulding surfaces comprises a triangular portal having a right leg with a horizontal beam at the upper end thereof and a diagonal stay at its lower end, right angle triangles being hinged to the horizontal beam, and the right leg having rectangles hinged thereto.

REFERENCES:
patent: 2835931 (1958-05-01), Sterkin
patent: 3280796 (1966-10-01), Hatcher
patent: 3847341 (1974-11-01), Stickler, Jr.
patent: 3926403 (1975-12-01), Markewitz et al.
patent: 4035964 (1977-07-01), Robinson

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