Preparation of glass container for thermoplastic closure

Details Preparation of glass container for thermoplastic closure Preparation of glass container for thermoplastic closure

1983-10-18

1986-04-15

Dawson, Robert A.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

53287, 53478, 65 24, 65 301, 65 602, 65111, 65117, 65120, 156 82, 156322, 156497, 156629, 156663, 215232, 215DIG2, 413 5, 427154, 427224, 4273897, 428410, 428426, 428427, 428432, B67B 300, B32B 1710, C03C 1500, C03C 2100

Patent

active

RE0321095

ABSTRACT:
A method for sealing a rim-like opening in a glass container is described. The surface of the opening is treated with tin and/or titanium oxide precursors and with or without one or more of the groups consisting of fluorides, sulfur oxides and sulfur oxide precursors and then overcoated with a chromium III organic metallic complex. A membrane comprising a thermoplastic film is pressed onto the coated opening surface and heated to cause glass-plastic adhesion, forming a closure. The coating steps may be applied to glass containers immediately after forming and annealing as appropriate, or may be applied to glass containers taken from storage.

REFERENCES:
patent: 3249246 (1966-05-01), Mahoney
patent: 3787326 (1974-01-01), Deyrup
patent: 3827871 (1974-08-01), Budd
patent: 3900689 (1975-08-01), Deyrup
patent: 3926604 (1975-12-01), Smay et al.
patent: 4260438 (1981-04-01), Dembicki et al.
patent: 4324601 (1982-04-01), Dembicki et al.
Advances in Chemistry Series, "Chromium Complexes", F. B. Hauserman, 1957, pp. 338-355.

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