Patterns for determining the profile of an arch

Details Patterns for determining the profile of an arch Patterns for determining the profile of an arch

1989-03-20

1991-04-09

Housel, James C.

Static molds

In situ construction engineering type or building type-mold...

Forming building structure

52 88, 52 89, 52747, 249 53R, 249175, 249209, 264 32, E04G 1300

Patent

active

050057995

ABSTRACT:
A pattern for defining the profile of an arch is produced from a unitary block of material or materials having the required structural strength to support the arch materials during construction and sufficient ductility or resilience at its surface to accommodate irregularities present in the arch materials. The pattern may be produced from a single block of polystyrene material whose upper profile corresponds to the desired underside of an arch to be constructed using the pattern and whose undersurface is generally flat.

REFERENCES:
patent: 1391748 (1921-09-01), Mayberry
patent: 1730472 (1929-10-01), Murray
patent: 3292338 (1966-12-01), MacClarence et al.
patent: 4325207 (1982-04-01), Russell et al.

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