The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Mar. 05, 2002

Filed:

Jun. 02, 2000
Applicant:
Inventors:

Leslie E. Clark, Cambridge, CA;

Craig A Hunter, Milton, CA;

Donald J. McFarland, O'Fallon, MO (US);

Harold W Freitag, Jr., Novi, MI (US);

Christopher A. Leite, Ann Arbor, MI (US);

Assignee:

Woodbridge Foam Corporation, Mississauga, CA;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 4/402 ; B29C 3/310 ;
U.S. Cl.
CPC ...
B29C 4/402 ; B29C 3/310 ;
Abstract

A mold ( ) for producing foamed articles is described. The mold comprises an upper mold and a lower mold ( ) releasingly engageable in a closed position to define a mold cavity ( ) having a parting line about a periphery of the mold cavity. The parting line of the mold defines: (i) a first channel ( ) along a first length of a periphery of the mold cavity, and (ii) a second channel ( ) in communication with first channel, the second channel having a second length which is less than the first length. A method for producing a molded article use is also described. The subject mold and method are particularly well suited for the production of molded foam (e.g, polyurethane) articles.


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