Method for making decorative emblems

Details Method for making decorative emblems Method for making decorative emblems

1976-07-02

1978-07-11

Hoag, Willard E.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

264 1, 264132, 264259, 264299, 156309, 427 54, 427162, 427256, 427265, 427287, 428 42, 428 64, 428 67, B29C 1300, B29C 2100

Patent

active

041000102

ABSTRACT:
A method of casting decorative emblems from a polyurethane-type compound. A series of decorative discs are held flat and horizontal while the polyurethane composition is cast thereon to form a meniscus. The polyurethane composition comprises a polyether polyol component and a diisocyanate component. The cast polyurethane, when cured, gives a lens effect to the decorative discs.

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patent: 2073844 (1937-03-01), Lowenfels
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patent: 3919173 (1975-11-01), Coyner et al.
Glasstone, Textbook of Physical Chemistry, Van Nostrand, N.Y. (1946), pp. 481-483.
Partington, An Advanced Treatise on Physical Chemistry, Longmans, N.Y. (1952), pp. 153, 154.
Saunders, et al., Polyurethanes Chemistry and Technology, Interscience, N.Y., (1964), pp. 534 & 535.

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