Plastic and nonmetallic article shaping or treating: processes – Direct application of fluid pressure differential to... – Starting material is nonhollow planar finite length preform...
Reexamination Certificate
2006-05-09
2011-12-27
Huson, Monica A (Department: 1742)
Plastic and nonmetallic article shaping or treating: processes
Direct application of fluid pressure differential to...
Starting material is nonhollow planar finite length preform...
C264S549000, C264S553000, C264S554000, C264S319000, C264S320000
Reexamination Certificate
active
08083985
ABSTRACT:
A method for producing appliance cabinets and the like, particularly a refrigerator cabinet having a double wall, whereby a polymeric sheet made plastic by thermal action is vacuum formed in a mold. The mold comprises a central male portion adapted to form the cavity of the cabinet and an annular female portion adapted to form the double wall of the cabinet, a plug assist device being used in order to drive the sheet in the female portion of the mold.
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Anthony Jon M.
Kuehl Steven
Luisi Armando
Goodwin Kirk W.
Huson Monica A
McGarry Bair PC
Whirlpool Corporation
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