Insulation wrapping strip with variable configuration

Details Insulation wrapping strip with variable configuration Insulation wrapping strip with variable configuration

1990-05-14

1992-03-24

Simmons, David A.

Plastic article or earthenware shaping or treating: apparatus

Press forming means, press reshaping means, or vulcanizing...

425367, 156195, 156397, 156425, 156446, A21C 1100, B29C 4700, B29D 3000, B65H 8100

Patent

active

050982770

ABSTRACT:
The insulating coating for an object such as a rocket motor casing is formed by wrapping a strip of insulating material upon the surface of a rotating mandrel. By means of this invention, it is possible to wrap a strip of malleable material such as rubber from an extruder onto a complex shape while exercising precise thickness control, thereby eliminating the need for machining the outer surface. The strip is run through a forming mill of unique construction which shapes the strip during the wrapping process to conform most precisely with the topography of the mandrel. The mill automatically varies both the taper and the width of the strip. The final wrapped product has a smooth outer surface that requires minimal finishing.

REFERENCES:
patent: 3066063 (1962-11-01), Ecklund et al.
patent: 3570054 (1971-03-01), Seanor et al.
patent: 4028035 (1977-06-01), Komarek
patent: 4272471 (1981-06-01), Walker
patent: 4348952 (1982-09-01), Gooch
patent: 5007343 (1991-04-01), Marks

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