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:
Aug. 30, 1977

Filed:

Sep. 17, 1976
Applicant:
Inventors:

William J Maurino, Racine, WI (US);

Raymond M Putzer, Racine, WI (US);

Assignee:

Precision Flexmold, Inc., Racine, WI (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B28B / ; B29C / ;
U.S. Cl.
CPC ...
425440 ; 425D / ; 425D / ; 249134 ; 249139 ; 264335 ;
Abstract

Molding apparatus for molding articles without a seam or parting line even though the molded articles may have severe backdraft portions. The apparatus includes a one-piece flexible mold which is deformable subject to the application of fluid pressure, a vacuum pot large enough to accommodate the flexible mold therein and means for applying vacuum to the pot such that the mold may be expanded by the vacuum thereby releasing the molded article. The vacuum pot is provided with upwardly extending projections positioned in the bottom of the pot and the mold is provided with a restraining ring member for supporting the mold wall and for acting in conjunction with the upwardly extending projection to control the mode of expansion of the mold.


Find Patent Forward Citations

Maurino, William. (1977). Molding apparatus including one-piece flexible mold and means to (U.S. Patent No. 4045153). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4045153

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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