Apparatus for inside coating double curved shell

Details Apparatus for inside coating double curved shell Apparatus for inside coating double curved shell

1982-02-02

1983-03-22

Hoffman, James R.

Coating apparatus

Projection or spray type

Inside of hollow work

118506, B05B 1306

Patent

active

043771289

ABSTRACT:
Apparatus for applying a coating to the inside surface of a spherical or spheroidal shell comprising a work platform for coating equipment; a first extendable and retractable leg in compression joined at its upper end to the platform and joined at its lower end through a horizontal axis pivot to a collar rotatable about a vertical axis on a lower fixed base; and a second extendable and retractable leg in tension joined at its lower end to the platform and joined at its upper end through a horizontal axis pivot to a collar rotatable about a vertical axis on an upper fixed base spaced upwardly from the lower fixed base whereby the lower end of the first leg and the upper end of the second leg can rotate about the same vertical axis.
A method of coating the inside surface of a spherical or spheroidal shell using the apparatus is also disclosed. By use of the apparatus horizontal bands of a coating are applied to the shell surface. The coating can be an insulating foam.

REFERENCES:
patent: 4333973 (1982-06-01), Bellafiore et al.

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