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:
Nov. 22, 2005
Filed:
Dec. 05, 2003
John J. Marcin, Jr., Marlborough, CT (US);
Stephen D. Murray, Marlborough, CT (US);
Carl R. Verner, Windsor, CT (US);
Maria A. Herring, Mystic, CT (US);
Lea D. Kennard, Manchester, CT (US);
Donald D. Schofield, Columbia, CT (US);
Richard L. Ritchie, Marlborough, CT (US);
Reade R. Clemens, Plainville, CT (US);
Michael K. Turkington, Manchester, CT (US);
Delwyn E. Norton, Manchester, CT (US);
John J. Marcin, Jr., Marlborough, CT (US);
Stephen D. Murray, Marlborough, CT (US);
Carl R. Verner, Windsor, CT (US);
Maria A. Herring, Mystic, CT (US);
Lea D. Kennard, Manchester, CT (US);
Donald D. Schofield, Columbia, CT (US);
Richard L. Ritchie, Marlborough, CT (US);
Reade R. Clemens, Plainville, CT (US);
Michael K. Turkington, Manchester, CT (US);
Delwyn E. Norton, Manchester, CT (US);
United Technologies Corporation, Hartford, CT (US);
Abstract
An apparatus for shelling an investment casting pattern has a tank containing a coating material. There are means for holding the pattern immersed in the coating material. There may be means for vibrating the pattern during immersion of the pattern and a vacuum source coupled to the tank to withdraw air from at least one headspace of the tank.