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.

Patent No.:

US 8985998 B1

PDF
Full Text
Expired
Date of Patent:
Mar. 24, 2015

Filed:

Jun. 16, 2011
Applicants:

Andrea Ravagnani, Imola, IT;

Giovanni Allegri, Fusignano, IT;

Inventors:

Andrea Ravagnani, Imola, IT;

Giovanni Allegri, Fusignano, IT;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 45/23 (2006.01); B29C 45/20 (2006.01); B29C 45/28 (2006.01);
U.S. Cl.
CPC ...
B29C 45/20 (2013.01); B29C 45/281 (2013.01);
Abstract

An injection system, in an apparatus for injection-molding plastics, comprises a manifold plate () having an injection nozzle () closed by a valve stem () commanded by a dual-effect pneumatic linear actuator () wherein a piston cylinder () is compressed between a back plate () and a hot runner manifold (). The piston cylinder bounds an annular gap into which the compressed air that drives the actuator can flow.


Find Patent Forward Citations

Ravagnani, Andrea. (2015). Injection system having skirt walls forming an annular seal walls (U.S. Patent No. 8985998). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8985998

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

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