Machine for building a dome or sphere

Details Machine for building a dome or sphere Machine for building a dome or sphere

1986-06-17

1988-03-29

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

Boom mounted depositing and forming means of the carrousel type

264 32, 264 33, 425 64, 425 65, 425113, 425224, 425449, E04G 2104

Patent

active

047340215

ABSTRACT:
A machine for building a dome or sphere has an extruder that extrudes part of a wall of a dome or sphere from fluid material which hardens on extrusion as the extruder travels around a center axis. A ramp allows the extruder to gradually ride up onto the initial wall so that another partial wall of the sphere can be formed. The extruder continuously moves along its own produced track in a spiral path to ultimately form a dome or sphere, as desired.

REFERENCES:
patent: 2339892 (1944-01-01), Urschel
patent: 3206899 (1965-09-01), Wright
patent: 3352525 (1967-11-01), Lowes
patent: 3443276 (1969-05-01), Smith et al.
patent: 3888959 (1975-06-01), Phillips
patent: 4193750 (1980-03-01), Nielson

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