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.:
Date of Patent:
Aug. 26, 2008
Filed:
May. 12, 2004
Applicants:
Gordon Frederick Smith, Warwick, GB;
Rui Magalhaes, Coventry, GB;
Inventors:
Gordon Frederick Smith, Warwick, GB;
Rui Magalhaes, Coventry, GB;
Assignee:
University of Warwick, Coventry, GB;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29C 31/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
A fluid injection and exhaust needle for use in gas injection moulding comprising a needle with two separate flow channels; a fluid inlet channel and a fluid outlet channel; wherein gas is injected into the melt via the fluid inlet channel to form a gas cavity in the melt, and gas is simultaneously exhausted from the cavity via the fluid outlet channel.