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:
Dec. 26, 1995

Filed:

Jul. 05, 1994
Applicant:
Inventors:

Mauro Carrara, Viggiu, IT;

Giangaetano Ciolfi, Erba, IT;

Assignee:

RFT S.p.A., Turin, IT;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C / ; B29C / ;
U.S. Cl.
CPC ...
264267 ; 264320 ; 2643282 ; 2643287 ;
Abstract

An injection-compression process for forming curable items of elastomeric material, the process including: an injection stage wherein a bottom half mold is injected by a nozzle with a quantity of fluid elastomeric material of a volume, at injection pressure, greater than that of the impression, the material in excess of the volume of the impression being collected outside the impression, in a recess at the injection nozzle and communicating with the impression; and a molding stage wherein the injection nozzle is replaced in fluidtight manner by an element of the same shape, but without the recess, for compressing the excess material into the impression until it sets.


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