Method for producing rigid plastic frames

Details Method for producing rigid plastic frames Method for producing rigid plastic frames

1986-01-27

1988-01-12

Czaja, Donald E.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156221, 264267, 264296, 264320, 403265, B29C 4900, B31F 100, B25G 334, F16B 1100

Patent

active

047189606

ABSTRACT:
A method for the production of frames from rigid plastic profiles for use on refrigerator cabinets and in particular on chest freezers, which comprises forming the plastic profiles, mitering and welding the edges of the plastic profiles to form a frame having sharp-edged corners, and rounding at least one of the sharp-edged corners by means of thermo-forming.
The invention also comprises the finished frame thereby obtained and its application in the field of refrigerator cabinets and in particular, chest freezers.

REFERENCES:
patent: 1881734 (1932-10-01), Lewis
patent: 2381134 (1945-08-01), Newmark
patent: 2392734 (1946-01-01), Haberstump
patent: 4086315 (1978-04-01), Piotrowski
patent: 4279853 (1981-07-01), Ohta et al.
patent: 4428782 (1984-01-01), Kurita et al.
patent: 4595551 (1986-06-01), Maurer

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