Adhesive bonding and miscellaneous chemical manufacture – Delaminating processes adapted for specified product – Delaminating in preparation for post processing recycling step
Patent
1985-11-21
1987-12-08
Yasich, Daniel M.
Adhesive bonding and miscellaneous chemical manufacture
Delaminating processes adapted for specified product
Delaminating in preparation for post processing recycling step
156622, 156624, 422251, 422260, B01J 1708, B01D 900
Patent
active
047116978
ABSTRACT:
A method of observing crystal formation in a transparent specimen (58 of FIG. 5) comprising the steps of melting a portion of the specimen in a heating zone (22 of FIG. 2) freezing the melted portion of the specimen 58 by a cooling zone (20 of FIG. 2) spaced from the heating zone by a gap (42) which is observable by a suitable observing means (30), controlling the temperatures of the heating and cooling zones (22 and 20) to various temperatures to create a variable temperature gradient across the gap (42) so that the freezing isotherm of the specimen (58) always remains in a substantially constant position within the gap (42) where it is observable by the observing means (30), and moving the specimen (58) longitudinally while the temperature gradient is varying.
REFERENCES:
patent: 2571651 (1951-10-01), Balduzzi
patent: 2721495 (1955-10-01), Schaefer
patent: 2750433 (1956-06-01), LeTourneau et al.
patent: 3243320 (1966-03-01), Namazu et al.
patent: 4028941 (1977-06-01), Henderson et al.
patent: 4096024 (1978-06-01), Dusserve et al.
"The Review of Scientific Instruments", Dr. William Kaulker, Hot Stage and Sample Cell Design, etc., vol. 55, No. 10, pp. 1643-1647.
Beumer Joseph H.
Manning John R.
The United States of America as represented by the Administrator
Wofford, Jr. Leon D.
Yasich Daniel M.
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