Plastic article or earthenware shaping or treating: apparatus – Female mold and charger to supply fluent stock under... – With means to heat or cool
Reexamination Certificate
2006-10-20
2008-12-23
Heitbrink, Tim (Department: 1791)
Plastic article or earthenware shaping or treating: apparatus
Female mold and charger to supply fluent stock under...
With means to heat or cool
C264S328150
Reexamination Certificate
active
07467940
ABSTRACT:
An improved nozzle apparatus and method of manufacture are provided in which non-compatible components (such as a metallurgically non-weld-compatible nozzle tip and seal) may be secured/attached. For example, the apparatus and method may comprise securing a seal between a first portion of a nozzle tip and a retention ring. The retention ring may comprise a material that is weld-compatible with the nozzle tip and may be welded to the nozzle tip whereas the seal may be non-compatible with the nozzle tip. As a result, the materials of the nozzle tip and the seal may be chosen substantially without regard to their compatibility.
REFERENCES:
patent: 4837925 (1989-06-01), Gellert
patent: 4854851 (1989-08-01), Gellert
patent: 6142731 (2000-11-01), Dewis et al.
patent: 6609902 (2003-08-01), Blais et al.
patent: 6971869 (2005-12-01), Olaru
patent: 2352040 (2002-03-01), None
patent: 10037739 (2002-02-01), None
Heitbrink Tim
Husky Injection Molding Systems Ltd.
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