Self-aligning impact tolerant I.S. machine cartridge assembly

Details Self-aligning impact tolerant I.S. machine cartridge assembly Self-aligning impact tolerant I.S. machine cartridge assembly

2005-06-21

2005-06-21

Vincent, Sean (Department: 1731)

Glass manufacturing

With repair, assembly, or disassembly means for apparatus

To replace worn or damaged parts

C065S171000, C065S362000

Reexamination Certificate

active

06907754

ABSTRACT:
A cartridge assembly for a blow-and-blow parison-forming machine comprises a cylindrical barrel, an annular lower stop having a central opening for accepting a piston rod and having an upwardly opening tapered recess adjacent the central opening, an annular cylinder cap having a central opening for accepting a thimble and plunger and having a downwardly opening tapered recess adjacent the central opening. The lower stop, cylinder cap, and barrel form a unit. An annular floating piston is arranged to reciprocate within the cylindrical barrel. The floating piston has a lower tapered end for at the lowermost position of the floating piston resting in the upwardly opening tapered recess in the lower stop and an upper tapered end for at the uppermost position of the floating piston resting in the downwardly opening tapered recess in the cylinder cap.

REFERENCES:
patent: 3305344 (1967-02-01), Colchagoff
patent: 4094656 (1978-06-01), Colchagoff et al.
patent: 4137061 (1979-01-01), Mallory et al.
patent: 4191548 (1980-03-01), Fortner et al.
patent: 4585467 (1986-04-01), Trahan et al.
patent: 5358543 (1994-10-01), Kozora
patent: 5411564 (1995-05-01), Bolin
patent: 6497120 (2002-12-01), Kozora

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