Plastic and nonmetallic article shaping or treating: processes – Direct application of electrical or wave energy to work – Infrared radiation
Patent
1995-02-20
1996-09-24
Tentoni, Leo B.
Plastic and nonmetallic article shaping or treating: processes
Direct application of electrical or wave energy to work
Infrared radiation
264339, B29C 5304
Patent
active
055588310
ABSTRACT:
A method to locally heat a thermoplastic hinge and fold its semicylindrical members together so as to form a film cartridge. The cooled integrated hinge is locally heated in a manner whereby the semicylindrical members remain cool. When the thermoplastic hinge is ductile from the heat, the semicylindrical members are folded together.
REFERENCES:
patent: 3104846 (1963-09-01), Ringle
patent: 3128058 (1964-04-01), Ringle et al.
patent: 3222437 (1965-12-01), Schilling
patent: 3301430 (1967-01-01), Cornelius
patent: 3320225 (1967-05-01), Bradbury
patent: 4223852 (1980-09-01), Neuhold
Magliocco Jack
Merz Gary E.
Richter Edward B.
Sanford Robert W.
Eastman Kodak Company
Rosenstein Arthur H.
Tentoni Leo B.
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