Tamper-proof safety cover for injection molding machines

Details Tamper-proof safety cover for injection molding machines Tamper-proof safety cover for injection molding machines

B - Operations, Transporting

29

C

18/680

B29C 45/84 (2006.01) F16P 3/04 (2006.01)

Patent

CA 1072279

ABSTRACT A tamper-proof safety cover for the die closing unit of an injection molding machine, where the cover carries a control rod of hardened steel attached to the cover wall with a lead- sealed bracket, the control rod operating a mechanical safety interlock as well as electrical disconnect switches and a hydrau- lic shutoff valve, when the safety cover is removed from its closed position. The electrical and hydraulic interlocks are housed in a lead-sealed interlock control unit which is at all times engaged by the control rod over an inaccessible guide plunger and cam follower.

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