Heating – Heating or heat retaining work chamber structure – Door – cover or port
Patent
1989-06-30
1990-12-04
Bennet, Henry A.
Heating
Heating or heat retaining work chamber structure
Door, cover or port
432239, 228105, F27D 300, B23K 300
Patent
active
049750500
ABSTRACT:
A workpiece heating and feeding device having a lid which is installed above a heating block which heats the workpieces, the lid having an opening formed in the central portion thereof wherein a transparent heat-resistant plate covers the opening in the lid. The lid may alternately be entirely made of a heat-resistant material. Since the heating block is covered, no dirt or dust can enter the interior of the device. In addition, since the lid has either a transparent plate or is itself made of a transparent heat-resistant material, working conditions can easily be monitored and adjustments to the feeding of the workpiece facilitated.
REFERENCES:
patent: 3800716 (1974-04-01), Berger
patent: 3859041 (1975-01-01), Winslow
patent: 3900145 (1975-08-01), Diepeveen
patent: 3980028 (1976-09-01), Ginsburg
patent: 4732313 (1988-03-01), Kobayashi et al.
patent: 4763826 (1988-08-01), Kulicke, Jr. et al.
patent: 4765531 (1988-08-01), Ricketson et al.
patent: 4855007 (1989-08-01), Baxter et al.
Kitakubo Kenji
Ushiki Hiroshi
Yamazaki Nobuto
Bennet Henry A.
Kabushiki Kaisha Shinkawa
Kilner C.
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