Plastic and nonmetallic article shaping or treating: processes – With severing – removing material from preform mechanically,... – Forming continuous work followed by cutting
Patent
1992-01-14
1993-02-02
Hoag, Willard
Plastic and nonmetallic article shaping or treating: processes
With severing, removing material from preform mechanically,...
Forming continuous work followed by cutting
264149, 264157, 2641771, 26417717, 264334, 425113, 425127, 425308, 4253761, B29C 4124, B29C 4144, B29C 4708
Patent
active
051836122
ABSTRACT:
A process and apparatus for manufacturing a frame with a groove such as a molding for use with a panel such as a windshield of an automobile. The process includes the steps of preparing a dummy panel having an outer configuration and a thickness equal to those of the panel, and continuously moving an extrusion port of a molding die means along the peripheral edge of the dummy panel so that a molding product is continuously formed along the peripheral edge of the dummy panel. The molding product is stripped from the peripheral edge of the dummy panel to obtain the frame with a groove. The groove is closely engageable with the peripheral edge of the panel. The apparatus includes a dummy panel having an outer configuration and a thickness equal to those of the panel, molding die means having an extrusion port, and moving means for moving the extrusion port of the molding die means relative to the peripheral edge of the dummy panel.
REFERENCES:
patent: 4584150 (1986-09-01), Ballocca
patent: 4983113 (1991-01-01), Hirschkorn
patent: 5057265 (1991-10-01), Kuhert et al.
patent: 5108526 (1992-04-01), Cornils et al.
Ito Tosikazu
Suita Yoshihiro
Hoag Willard
Tokai Kogyo Kabushiki Kaisha
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