Plastic and nonmetallic article shaping or treating: processes – With measuring – testing – or inspecting
Patent
1990-01-30
1990-09-18
Silbaugh, Jan H.
Plastic and nonmetallic article shaping or treating: processes
With measuring, testing, or inspecting
425116, 4251291, 425136, B29C 4514, B29C 4576
Patent
active
049576704
ABSTRACT:
A plastic injection molding/encapsulation apparatus for the peripheral encapsulation of a glass workpiece which is equipped with an optical sensing device including a light source, a light detector, and a light reflector to detect possible glass breakage of the workpiece and thus automatically shutting down the plastic injection process to avoid damage to the mold.
REFERENCES:
patent: 2317839 (1943-04-01), Westin
Myers Christopher S.
Wozniak Thomas H.
General Motors Corporation
Hughes Aircraft Company
Jones Brian C.
Silbaugh Jan H.
Tung Randy W.
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