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Title:
DRAW MOLDING METHOD OF GLASS STRIP
Document Type and Number:
Japanese Patent JP2015048303
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a draw molding method that reduces ejection of a lug especially in a redraw method.SOLUTION: A manufacturing method of a glass strip includes a step for preparing a glass preform 3 having a flat cross section 4. The width B of the cross section 4 is at least 5 times the thickness D thereof. The cross section 4 is tapered off at an edge region 40 so that the thickness D of the glass preform 3 at a side edge part 31 is at most two-thirds, preferably at most a half of a maximum thickness at a flat middle region 33 of the glass preform 3.

Inventors:
CLEMENS OTTERMANN
BUELLESFELD FRANK
LANGE ULRICH
Application Number:
JP2014176306A
Publication Date:
March 16, 2015
Filing Date:
August 29, 2014
Export Citation:
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Assignee:
SCHOTT AG
International Classes:
C03B23/037
Domestic Patent References:
JP2011093739A2011-05-12
JPH05116974A1993-05-14
JP2011093739A2011-05-12
JPH05116974A1993-05-14
Foreign References:
WO2009119826A12009-10-01
WO2009119826A12009-10-01
Attorney, Agent or Firm:
アインゼル Felix-Reinhardt
Takuya Kuno



 
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