Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1977-03-09
1978-01-31
Smith, Gary L.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
134200, B24C 310
Patent
active
040707997
ABSTRACT:
A finger seal is disclosed for use in conjunction with shot blasting operations. The seal is formed of polyurethane or similar materials which are resistant to wear from shot blasting. The seals are provided with a plurality of longitudinal reinforcing ribs to increase their strength and effectiveness in preventing the escape of shot from an enclosure.
REFERENCES:
patent: 2933802 (1960-04-01), Fuchs
patent: 3034262 (1962-05-01), Pawlson
patent: 3788010 (1974-01-01), Goff
patent: 3822029 (1974-07-01), Butsch
Smith Gary L.
Wheelabrator-Frye Inc.
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