Foamed rubber erasers and process for the production thereof

Details Foamed rubber erasers and process for the production thereof Foamed rubber erasers and process for the production thereof

1980-11-03

1984-12-04

Anderson, Philip

Brushing, scrubbing, and general cleaning

Implements

Eraser

264 26, 264 50, 264DIG60, 425 4R, 425 4C, 521 74, B43L 1900, B29D 2700, C08J 930

Patent

active

044855206

ABSTRACT:
Uniformly porous foamed erasers and process for the production thereof, the process comprising continuously mixing air or other gas into a flowable plasticized mixture and gelling the mixture by introducing the same continuously to a heating mean.

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patent: 4205137 (1980-05-01), Akiyama
Morris, D. C., K. M. Deal and R. R. Waterman, "Vanderbilt Process Vinyl Foam", in the 20th Annual Technical Conference, Technical Papers, vol. X, Atlantic City, N.J., Jan. 27-30, 1964, V-4, pp. 1-3 (SPE).
Whittington's Dictionary of Plastics, by Lloyd R. Whittington, Stamford, Conn., Technomic, .COPYRGT.1968, Preface, pp. 59-60.
The Condensed Chemical Dictionary, Eighth Edition, Revised by Gessner G. Hawley, New York, Van Nostrand Reinhold, .COPYRGT.1971, p. 714.
Hackh's Chemical Dictionary, Fourth Edition, Completely Revised and Edited by Julius Grant, New York, McGraw-Hill, .COPYRGT.1972, pp. 587-588.

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