Plastic article or earthenware shaping or treating: apparatus – Stock pressurizing means operably associated with downstream... – Including auxiliary shaping means associated with molding...
Reexamination Certificate
2005-08-09
2005-08-09
Sole, Joseph S Del (Department: 1722)
Plastic article or earthenware shaping or treating: apparatus
Stock pressurizing means operably associated with downstream...
Including auxiliary shaping means associated with molding...
C425S133500, C425S190000, C425S465000, C425S466000
Reexamination Certificate
active
06926512
ABSTRACT:
A coat hanger extrusion die wherein the aperture of the die land widens along the extrusion axis of the die to the die exit opening, thereby forming an expansion zone.
REFERENCES:
patent: 3084385 (1963-04-01), Heffelfinger
patent: 3125620 (1964-03-01), Skinner
patent: 3461496 (1969-08-01), Winstead
patent: 3680997 (1972-08-01), Dukert et al.
patent: 3920365 (1975-11-01), Mules
patent: 3988097 (1976-10-01), Anders et al.
patent: 3994654 (1976-11-01), Chyu
patent: 4217322 (1980-08-01), Sugano et al.
patent: 4221624 (1980-09-01), Eslinger et al.
patent: 4267146 (1981-05-01), Kurtz et al.
patent: 4285655 (1981-08-01), Matsubara
patent: 4372739 (1983-02-01), Vetter et al.
patent: 4596833 (1986-06-01), Endo et al.
patent: 4650816 (1987-03-01), Bertrand
patent: 5134174 (1992-07-01), Xu et al.
patent: 5149579 (1992-09-01), Park et al.
patent: 5151234 (1992-09-01), Ishihara et al.
patent: 5180751 (1993-01-01), Park et al.
patent: 5180754 (1993-01-01), Morita et al.
patent: 5225107 (1993-07-01), Kretzschmann et al.
patent: 5273420 (1993-12-01), Gross et al.
patent: 5458836 (1995-10-01), Rakestraw et al.
patent: 5462974 (1995-10-01), Lee
patent: 5494429 (1996-02-01), Wilson et al.
patent: 5688457 (1997-11-01), Buckmaster et al.
patent: 5753155 (1998-05-01), Hanusa
patent: 5929129 (1999-07-01), Feichtinger
patent: 0611793 (1994-08-01), None
patent: 4732585 (1972-08-01), None
Han James H.
Wu Jesse
BP Corporation North America Inc.
Del Sole Joseph S
Galloway Norval B.
Oliver Wallace L.
LandOfFree
Apparatus for extruding foamed polypropylene sheet having... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Apparatus for extruding foamed polypropylene sheet having..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Apparatus for extruding foamed polypropylene sheet having... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3478563