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Class Information
Number: 65/269
Name: Glass manufacturing > Glassworking or preform by or with reheating means (e.g., flame severing)
Description: Apparatus comprising preform supporting means combined with heating means for accomplishing a glass working operation.

Sub-classes under this class:

Class Number Class Name Patents
65/270 Envelope tipping off type 30
65/284 Fire-polishing means 17
65/271 Heating means movable relative to work during shaping operation 56
65/275 Mechanical means to reshape preform 75
65/273 Planar sheet preform 484
65/285 To reshape preform by flame pressure or gravity 37
65/274 With spaced preheating means 24
65/272 Work, workholder, or tool correlated burner control 29

Patents under this class:

Patent Number Title Of Patent Date Issued
8643953 Manufacturing optical elements Feb. 4, 2014
8596093 Optical element manufacturing method and optical element Dec. 3, 2013
8497451 Brittle nonmetallic workpiece and method and device for making same Jul. 30, 2013
8448471 Glass substrate processing device using laser beam May. 28, 2013
7900479 Method and device for melting the ends of rods Mar. 8, 2011
7681415 Method and device for melting the ends of rods Mar. 23, 2010
6761047 Apparatus for melting off a glass part from a hollow glass object Jul. 13, 2004
6735986 Apparatus for preventing redeposition of silica during flame severing May. 18, 2004
6408649 Method for the rapid thermal treatment of glass and glass-like materials using microwave radiation Jun. 25, 2002
6079230 Apparatus for preparing quartz micropipettes Jun. 27, 2000
6003339 Glass compression molding machine and machining chamber therefor Dec. 21, 1999
5992180 Method and apparatus for bend-shaping a glass plate Nov. 30, 1999
5951734 Semi-convective forced air system for tempering low E coated glass Sep. 14, 1999
5888263 Method of annealing a glass product and annealing apparatus for a glass product Mar. 30, 1999
5803943 Apparatus for forming insulated glass Sep. 8, 1998
5779753 Method of and apparatus for treating a solid workpiece, especially a glass tube Jul. 14, 1998
5766294 Method and apparatus for producing an optical element using a molding block and a temperature effecting mechanism contacting the molding block for heat exchange Jun. 16, 1998
5683483 Manufacturing method and equipment for large, high-purity flat or curved quartz glass plate Nov. 4, 1997
5665136 Process for producing micro lenses using a laser beam Sep. 9, 1997
5512078 Apparatus for making linearly tapered bores in quartz tubing with a controlled laser Apr. 30, 1996
5120343 Apparatus for producing optical glass element Jun. 9, 1992
5110340 Apparatus for removing a marginal zone external of an outline cut in a glass sheet May. 5, 1992
4842628 Method of verifying a porous article made out of glass soot and furnace for carrying out the method Jun. 27, 1989
4838915 Method for heating thick-walled glass tubes and apparatus therefore Jun. 13, 1989
4687503 Apparatus for loading and unloading articles at machines for cutting off excess ends of hollow glass, plastic or similar articles Aug. 18, 1987
4572732 Machine for cutting off excess ends of hollow glass, plastic or similar articles Feb. 25, 1986
4227910 Apparatus for supporting lenses during heat treatment Oct. 14, 1980
4157909 Apparatus for forming mercury-filled capillary tubes Jun. 12, 1979
4072490 Apparatus and process for producing a gradient photochromic ophthalmic lens Feb. 7, 1978

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