Pipe joints or couplings – Essential catch – With manipulator
Reexamination Certificate
2011-07-19
2011-07-19
Bochna, David E (Department: 3679)
Pipe joints or couplings
Essential catch
With manipulator
C285S277000, C285S093000
Reexamination Certificate
active
07980599
ABSTRACT:
A coupler and plug system for air line uses which identifies properly mating components by the colors of the components. The coupler of the system includes a sleeve which is made in a chosen color. The plug of the system is made in the same color as the sleeve of the coupler. The plug and coupler sleeve may be anodized aluminum dyed in the same color. By choosing a plug which is of a matching color to the sleeve of a coupler, the user will choose a plug which properly mates with the coupler.
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McMaster-Cann catalog, Color-Coded Brass Hose Couplings, p. 266, http://www.mcmaster.com/.
Bochna David E
Harms Allan L.
Shuttleworth & Ingersoll, PLC
Weems Industries, Inc.
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