METHOD AND APPARATUS FOR MOLDING THERMOPLASTIC MATERIAL EMPLOYING MOLDS WITH IMPROVED SURFACE PROPERTIES - Patent 0614413

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EP 0 614 413 A1

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(43)	Date of publication:
	14.09.1994 Bulletin 1994/37

(21)	Application number: 93921216.0

(22)	Date of filing: 26.08.1993

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International Patent Classification (IPC):

B29C 33/ 56^{( . )}
B29C 33/ 02^{( . )}

B29C 45/ 37^{( . )}
B29C 33/ 38^{( . )}

(86)	International application number:
	PCT/US1993/008077

(87)	International publication number:
	WO 1994/005479 (17.03.1994 Gazette 1994/07)

(84)	Designated Contracting States:
	DE ES FR GB IT NL

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Priority:

28.08.1992 US 19920936464
17.08.1993 US 19930117863

(71)	Applicant: GENERAL ELECTRIC COMPANY
	Schenectady, NY 12345 (US)

(72)	Inventors:
	BAUMGARTNER, Charles, Edward Niskayuna, NY 12309 (US) GUTMANN, Jamie, M. Lanesboro, MA 01237 (US) HAMLY, Katherine, Dana Clifton Park, NY 12065 (US) NIEMEYER, Matthew, Frank Clifton Park, NY 12309 (US)

(74)	Representative: Pratt, Richard Wilson
	London Patent Operation G.E. Technical Services Co. Inc. Essex House 12/13 Essex Street London WC2R 3AA London WC2R 3AA (GB)

(54)	METHOD AND APPARATUS FOR MOLDING THERMOPLASTIC MATERIAL EMPLOYING MOLDS WITH IMPROVED SURFACE PROPERTIES