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:
Nov. 25, 2008

Filed:

Dec. 09, 2004
Applicants:

Michael Carl Junger, Queensland, AU;

David Sean O'brien, Queensland, AU;

Allan Joseph Hilling Smith, Queensland, AU;

Inventors:

Michael Carl Junger, Queensland, AU;

David Sean O'Brien, Queensland, AU;

Allan Joseph Hilling Smith, Queensland, AU;

Assignees:

William A. Cook Australia Pty. Ltd., Queensland, AU;

Cook Incorporated, Bloomington, IN (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29D 22/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A mould assembly () and a method of use in injection moulding of a part having a functional cavity therein. The mould assembly has a recess () to receive a hollow tubular insert () intended to be placed in the mould assembly before the injection of a mouldable material into the cavity and to remain in the part after moulding. A gas supply arrangement supplies pressurised gas to the hollow tubular insert at a selected stage during the injection process whereby to form the functional cavity in the part.


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