Patents for C03B 11 - Pressing glass (3,825)
10/1992
10/14/1992EP0508131A2 Method for forming flat glass-ceramic articles
10/14/1992EP0508066A2 Method for press molding near net-shape glass articles
10/14/1992EP0508065A2 Method and apparatus for parallel alignment of opposing mold surfaces
09/1992
09/30/1992EP0506131A2 Method of producing glass blank
09/15/1992US5147436 Method for forming flat glass-ceramic articles
09/09/1992EP0502462A1 A method of manufacturing optical element
08/1992
08/25/1992US5141547 Applying aqueous fluorine-free acid solution to surface of lead glass yields clear smooth surface for lenses
07/1992
07/01/1992EP0491949A1 Ceramic mold for molding glass member
06/1992
06/30/1992US5125949 Glass base with silicon carbide, silicon nitride and carbon film outer layers
06/30/1992US5125945 Method and apparatus for parallel alignment of opposing mold surfaces by controlling the thermal expansion of the apparatus
06/17/1992EP0490514A2 Plunger mechanism for I.S. machine
06/16/1992US5122176 Confining part and holder in deformable foil, heating, pressing to soften glass and cause it to flow into voids in composite
06/09/1992US5120343 Apparatus for producing optical glass element
05/1992
05/26/1992US5116398 Process for forming fiber reinforced composite articles
05/19/1992US5114455 Mold for producing lens, using mold recesses to aid in lens release
04/1992
04/29/1992EP0482624A1 Machine for molding optical element and method of producing the optical element by using the machine
04/22/1992EP0481166A1 Phosphate glasses for glass molds
02/1992
02/11/1992US5087279 Displacing gob from first to second heat working jig; thermal deformation; pressure molding; defect-free
01/1992
01/07/1992US5079196 Passing inorganic fibers through a fluidized suspension of inorganic powder and metal alkoxide, drying, hot pressing
01/02/1992EP0463463A1 Method of manufacturing optical element
12/1991
12/12/1991WO1991018840A1 Machine for the production of glass objects by pressing, in two or more independent synchronised pressing units
11/1991
11/28/1991DE4017058A1 Lead crystal flame polishing - using burners to direct flames at sections of the outer surface while the workpiece is supported internally
11/27/1991EP0458729A1 Process for forming fiber reinforced composite articles
10/1991
10/29/1991US5061423 Heating a molding compound mixture, then applying a force to inject into a mold cavity containing interlocked fibers
10/09/1991EP0450780A2 Optical microelement array and its production method
09/1991
09/19/1991WO1991013843A1 Use of aluminium trinitride as a material for a compression mould for manufacturing optical parts
09/17/1991US5049329 Process for forming ceramic matrix composites
09/17/1991US5049177 Method for forming fresnel-type prism lens
09/12/1991DE4007640A1 Verwendung von aluminiumnitrid als werkstoff fuer ein presswerkzeug fuer die fertigung von optischen bauteilen The use of aluminum as a material for a compression tool for the fabrication of optical com- ponents
07/1991
07/23/1991CA1286504C Mould for moulding glass optical components with a high quality surface finish
07/16/1991US5032159 Method of manufacturing optical device
07/02/1991US5028251 Molds for manufacturing molded glass-articles for precision-optical purposes
07/02/1991US5028249 Plunger mechanism for i.s. machine
06/1991
06/25/1991US5026415 Mold with hydrogenated amorphous carbon film for molding an optical element
06/11/1991US5022921 Phosphate glasses for glass molds
05/1991
05/14/1991US5015280 Mold for molding optical elements
05/08/1991EP0426352A1 Process for forming ceramic matrix composites
05/08/1991DE3937769C1 Orientation of glass fibres - by adding glass to fibres e.g. silicon carbide as intermediate layers in mat form
05/08/1991CN2076548U Forming mould for glass screen of monochrome picture tube
05/07/1991US5013348 Mold assembly and methods for producing molded glass
05/01/1991CA2020886A1 Process for forming ceramic matrix composites
04/1991
04/16/1991US5008002 Hard carbon film formation by ionization plating of hydrocarbon
04/10/1991CN2074767U Glass shaping, wind-cooling reinforcing device
04/09/1991US5006321 Thermal spray method for producing glass mold plungers
04/04/1991WO1991004231A1 Ceramic mold for molding glass member
04/02/1991US5004330 Aspherical glass lens element formed by a low dispersion glass material
03/1991
03/27/1991EP0419403A1 Injection molding of fiber reinforced articles
02/1991
02/07/1991WO1991001281A1 Process and device for moulding glass
02/05/1991US4990172 Automatic machine for moulding glass articles
01/1991
01/31/1991DE4023975A1 Forming of glass lenses in 2-stage process - lens blanks are produced by grinding under an anode tool and then pressed in a heated polished tool
01/24/1991DE3923587A1 Verfahren zur formgebung von glas sowie form und vorrichtung hierfuer A method for forming glass, and form here and apparatus for
01/16/1991EP0408065A2 Method of producing optical glass element and production apparatus using this method
01/02/1991EP0406180A2 Apparatus and process for the manufacture of a mirror of prismatic shape to be used as a rearview mirror in a motor vehicle
12/1990
12/27/1990EP0404481A1 Die for press-molding optical element
12/11/1990US4976764 Oxidation; press molding
11/1990
11/13/1990US4969944 Process to mold precision glass articles
10/1990
10/30/1990CA1275571C Glass shaping mold
10/23/1990US4964903 Forming glass lenses
10/09/1990US4961771 Stress-free composite and a method of and arrangement for manufacturing the same
10/09/1990CA1274957A1 Process for the precision molding of glass articles
09/1990
09/26/1990EP0259400B1 Use of an oxide ceramic material for pressing tools for shaping components made of glass or of a glass-containing ceramic having a high surface quality and dimensional accuracy
09/18/1990US4957530 Apparatus for plunger replacement in a molding machine while the molding machine is in operation
09/12/1990EP0386944A2 Molding apparatus and method
09/08/1990CA2010925A1 Molding apparatus and method
08/1990
08/29/1990EP0383998A1 Corrosion resistant bronze alloys
08/21/1990US4949921 Method of molding fiber reinforced glass matrix composite articles
08/14/1990US4948627 Process for producing glass mold
08/14/1990US4948461 Dry-etching method and plasma
08/08/1990CN1044421A Thermal spray method for producing glass mold plungers
08/02/1990DE4002681A1 Glass press-moulding mould prodn. - involving ion coating with 1-carbon release film
08/01/1990EP0379597A1 Mold material for molding optical parts and process for its production
07/1990
07/18/1990EP0378292A1 Method of manufacturing glass optical element
07/17/1990US4941906 Balanced molding of optical elements
07/17/1990CA1271635A1 Parison formation in the manufacture of hollow articles of glassware
07/11/1990EP0377452A2 Thermal spray method for producing glass mold plungers
07/10/1990US4940635 Better heat distribution for ceramic cookware
07/10/1990US4940480 Three layer mold, middle layer consists of alloy with melting point in the glass working range
07/04/1990CA2006993A1 Thermal spray method for producing glass mold plungers
05/1990
05/29/1990US4929265 Method of molding glass optical elements
05/01/1990US4921519 Manufacturing molded glass-articles for precision-optical purposes
04/1990
04/10/1990US4915720 Method of and apparatus for molding glass articles
04/03/1990US4913718 Molding method for optical element and apparatus therefor
04/03/1990US4913716 Plunger change apparatus and method
03/1990
03/21/1990EP0358674A1 Antifriction registration device for glass sheet shaping tools
03/06/1990US4906269 Method of and apparatus for manufacturing a glass object
03/01/1990DE3828539A1 Method of pushing through the mouth in pressed bottle bodies made of glass which are completed in a further step of the method by welded on bottom plates
02/1990
02/28/1990EP0356068A1 Mold and molding method for molding optical elements
02/27/1990US4904069 Fresnel-type aspheric prism lens
02/20/1990US4902329 Method of using external system for locating the geometric center of an internal lens element
01/1990
01/31/1990CN1039233A Glass brick and method for producing same
01/30/1990US4897101 Method of forming a precision glass mold and article
01/25/1990WO1990000528A1 Mold material for molding optical parts and process for its production
01/24/1990EP0351945A2 External system for locating the geometric center of an internal lens element
01/23/1990US4895585 Method of manufacturing lens elements
01/17/1990EP0179137B1 Method for forming composite articles of complex shapes
01/02/1990US4891053 Two part holder of coaxial metal rings
12/1989
12/26/1989US4889548 Use of an oxide ceramic material for compression molds for shaping elements made from glass or a glass-containing ceramic and having high surface quality and dimensional accuracy
11/1989
11/28/1989US4883528 Lenses
11/28/1989US4882827 Using sintered sic
11/21/1989US4882238 Die for use in forming lens
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