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Class 65/25.4 - Reshaping


Subclass of Class 65 - Glass manufacturing
Definition: Processes which include the step of reshaping a glass sheet.
No. of patents: 49
Last issue date: 01/29/2008


1    
NumberTitleIssue Date
7322215Method for blank pressing of optical components
Methods for press molding a glass body, especially for optical applications, without additional grinding and polishing steps are described. One method is performed with a press mold having an upper mold part, a lower mold part and, if necessary or desired, a ring. I...
01/29/2008
7311961Method of making coated articles and coated articles made thereby
An article includes a first substrate, a functional coating deposited over at least a portion of the substrate, and a protective coating deposited over the functional coating. The functional coating and the protective coating define a coating stack. A polymeric mate...
12/25/2007
7237408Flexible surface mold and method of use
A mold includes a pair of spaced elongated deformable members and spaced elongated flexible strap members between and connected to the deformable members with the axis of the deformable members parallel to one another and transverse to the axis of the strap members....
07/03/2007
7232615Coating stack comprising a layer of barrier coating
A coating composition that contains at least one degradable coating layer and at least one layer of barrier coating is disclosed. The coating composition can be used to make a coated substrate having improved performance over conventional coated substrates after exp...
06/19/2007
7178367Apparatus and method for bend-shaping a glass sheet
An apparatus for bend-shaping a glass sheet is disclosed, which comprises a heating furnace, a plurality of in-furnace beds disposed within the heating furnace, at least one out-furnace bed disposed externally of the heating furnace proximately to an outlet of the h...
02/20/2007
7174745Apparatus for press-forming molten bodies
An apparatus for press-forming a molten gob made of meltable material, especially of glass or glass ceramics, into a body of specific shape with compression moulds which form with each other a form cavity for receiving the gob. The compression moulds consist at leas...
02/13/2007
7107791Method for changing the boundary surface tension of a liquid glass piece and apparatus for performing said method
The process according to the invention reduces the effort required to shape a glass piece. In this process a liquid glass piece is provided on a structured supporting surface of an electrically conducting base. A voltage is applied across the liquid glass piece by c...
09/19/2006
7107792Method and device for retaining and transporting flat glass in a contactless manner
The method of supporting and transporting hot flat glass on a gas bed for ceramicizing includes arranging a number of spaced-apart porous or perforated planar segments to form a base with a gas-permeable support surface so that slits, which are narrower than the pla...
09/19/2006
7096691Apparatus and method for bending glass sheets
An apparatus for bending a glass sheet includes a final hearth bed. This final hearth bed has a top surface that is upwardly convexly curved along a plane perpendicular to an axis of the glass sheet. The top surface has an upstream end, a downstream end that is at a...
08/29/2006
7079918System for adjusting position of glass plates
A system for adjusting position of glass plates includes (1) a chain for conveying glass plates into a bending furnace, the chain having (a) alternate links, (b) connecting pins for holding the alternate links together, (c) extension pins extending from some of the ...
07/18/2006
7059154Method for making float glass, implementing device and resulting products
The present invention relates to a float process for manufacturing glass sheets, in which molten glass is poured onto a liquid support denser than the glass and then the continuous ribbon which forms is advanced toward the downstream end, this process being characte...
06/13/2006
6962759Method of making coated articles having an oxygen barrier coating and coated articles made thereby
An article includes a substrate, a functional coating deposited over at least a portion of the substrate, and a protective (barrier) coating deposited over at least a portion of the functional coating. The barrier coating is stable to oxygen-containing gases and lim...
11/08/2005
6918268Plate-shaped member positioning apparatus and glass sheet bending apparatus
There is provided a plate-shaped member positioning apparatus comprising a conveyor for conveying a plate-shaped member, a positioner for contact with a front end of a conveyed plate-shaped member, a moving unit for moving the positioner along a conveyance direction...
07/19/2005
6916542Coated articles having a protective coating and cathode targets for making the coated articles
An article includes a substrate, a functional coating deposited over the substrate, and a protective coating deposited over the functional coating. The functional coating and the protective coating define a coating stack. The protective coating provides the coating ...
07/12/2005
6904771Method of forming and transporting curved glass
A glass forming assembly and method for forming complex shaped glass, with the glass forming assembly having a hood assembly including a hood lift superstructure movable horizontally back and forth over a cold ring and a cooling shuttle and movable vertically relati...
06/14/2005
6799438Method for making a microstructure in a glass or plastic substrate according to hot-forming technology and associated forming tool
A microstructure is formed in a viscous glass or plastic substrate by pressing a structured surface of a forming tool corresponding to a negative of the microstructure to be produced in the viscous glass or plastic substrate. After the microstructure has been formed...
10/05/2004
6751988Process for bend-shaping a glass plate and an apparatus for bend-shaping the glass plate
A method for manufacturing a curved sheet of glass which includes a heating furnace for heating a sheet of glass therein, the heating furnace having an outlet opening for discharging a curved sheet of glass, and an array of beds housed in the furnace for transferrin...
06/22/2004
6574990Process for bend-shaping a glass plate
A method for manufacturing a curved sheet of glass which includes a heating furnace for heating a sheet of glass therein, the heating furnace having an outlet opening for discharging a curved sheet of glass, and an array of beds housed in the furnace for ...
06/10/2003
6505483Glass transportation system
A pressure pad array is used to float glass sheets from a glass heating furnace to a ring mold in a press bending station. The pressure pads have transversely spaced, longitudinally-extending slotted nozzles angled towards one another to provide a static ...
01/14/2003
6425269Method for glass sheet forming
A method for forming glass sheets is performed by a system (10) that includes a furnace (12) having a heating chamber (14) in which a topside transfer device (20) has a downwardly facing surface (22) to which vacuum and pressurized air are supplied to rec...
07/30/2002
6422040Method for forming glass sheets
A method for forming glass sheets is performed by a system (10) that includes a furnace (12) having a heating chamber (14) in which a vacuum platen (20) has a downwardly facing surface (22) to which a vacuum is supplied to support a heated glass sheet rec...
07/23/2002
6401490Method for manufacturing tempered glass sheet and apparatus for manufacturing the same
A gas is supplied to the surface of the glass sheet transferred between a heating furnace and a cooling apparatus for tempering the glass sheet. The gas is supplied from the upstream side with respect to the direction of transfer of the glass sheet by an ...
06/11/2002
6363751Apparatus for Bend-shaping a glass plate
A method and apparatus for manufacturing a curved sheet of glass which includes a heating furnace for heating a sheet of glass therein, the heating furnace having an outlet opening for discharging a curved sheet of glass, and an array of beds housed in th...
04/02/2002
6339941Device for cooling glass volumes
A chest for cooling glass plates. A box is formed from a rigid support having at least a side panel on which are fixed nozzles. Each nozzle is made of two plate flanges and a strap perforated with blow holes. The flanges are made in a single piece having ...
01/22/2002
6318125Method and device for bending glass sheets
A process for shaping glass sheets with a surface-shaping mould, against which the glass sheets are pressed using a pressure drop produced by sucking out the air from the space lying between the moulding face and that face of the glass sheet on the opposi...
11/20/2001
6286338Block assembly for a gas-type lehr
A block assembly for a lehr includes a plurality of blocks extending longitudinally, each of the blocks having a seal surface for mating and overlapping with an adjacent one of the blocks....
09/11/2001
6279346Method for reducing hot sticking in molding processes
The method of the present invention overcomes the hot-sticking problems between an inorganic non-metallic material (=insulator) to be molded and a forming die by maintaining an assembly comprising a forming die and the insulator in a polarized state durin...
08/28/2001
6263705Hot glass sheet handling apparatus including overlapping roll conveyor and topside transfer platen
Apparatus (32) for handling hot glass sheets includes a roll conveyor (14) and a topside transfer platen (18) that overlap to provide assistance in the initial support of heated glass sheets by the topside transfer platen through the use of a vacuum and p...
07/24/2001
6079227Method for manufacturing bent and tempered glass sheet and apparatus for manufacturing the same
In a quenching apparatus for quenching a glass sheet that has been heated and bent in a heating furnace, a cooling gas blows onto the glass sheet to provide a distribution of a temperature and/or a distribution of a static pressure in at least one section...
06/27/2000
6053011Process and plant for hardening glass plates
A system for tempering glass plates has preheating zone (1) in which several glass plates (7) stacked vertically in compartmented car (6) are heated together to a temperature below the tempering temperature of for example 650° C. (for example 300° C.). ...
04/25/2000
6032489Method for manufacturing tempered glass sheet and apparatus for manufacturing the same
A gas is supplied to the surface of the glass sheet transferred between a heating furnace and a cooling apparatus for tempering the glass sheet. The gas is supplied from the upstream side with respect to the direction of transfer of the glass sheet by an ...
03/07/2000
6014873Process for bend-shaping a glass plate and an apparatus for bend-shaping the glass plate
A process for bend-shaping a glass plate by heating the glass plate to a softening temperature of the glass plate, while the glass plate is transferred along a transferring surface in a shaping furnace. The glass plate is transferred along a complex bendi...
01/18/2000
5693112Process and apparatus for bending a glass sheet
In a process and to an apparatus for bending a glass sheet heated to the bending temperature in a horizontal furnace, through which it is passed by a motor roller conveyor, which passes it into a bending cell where it is kept at an ambient temperature sub...
12/02/1997
5403369Apparatus and method for positioning glass sheets
Apparatus (10) for positioning a heated glass sheet G includes a longitudinally extending air flotation conveyor (12) for receiving and floating the heated glass sheet, a glass sheet vacuum mold (14) movably mounted above the air floatation conveyor for r...
04/04/1995
5383947Press-bending method and apparatus for bending glass sheets
The invention relates to a press-bending method and apparatus for bending glass sheets. The press bending is effected between an upper curved mold surface (12) and a lower ring mold (13). Air is blown through pores included in an upper mold (2) into a spa...
01/24/1995
5380348Method for treating glass sheets on a gas hearth
Apparatus operable in accordance with the method of the present invention is provided for selectively cooling areas of a glass sheet during heating in the lehr in order to eliminate hot spots and minimize undesirable sagging of portions of the glass sheet...
01/10/1995
5336288Apparatus for the manufacture of sheets of glass having a complex shape
An apparatus and a process are disclosed for manufacturing glass sheets of a complex form for vehicles. The apparatus includes a roller heating oven, a supporting air bed in a shaping section, a shaping ring for conveying the sheet of glass in a vertical ...
08/09/1994
5330549Apparatus for the manufacture of sheets of glass having a complex shape
An apparatus and a process as disclosed for manufacturing a glass sheet having a complex form for vehicles. The apparatus includes a roller heating oven, a supporting air bed in a shaping section, and a shaping ring for conveying the glass first to an upp...
07/19/1994
5292355Method and apparatus for bending a glass sheet
The invention relates to a method and apparatus for bending a glass sheet. A glass sheet heated close to its softening temperature is supported on a ring mould and the glass sheet is allowed to bend by gravity. If necessary, the bending can be assisted me...
03/08/1994
5090983Metal enriched scratch resistant ceramic paint
A metal powder is added to ceramic paint to prevent scratches on the painted surfaces of glass sheets formed by the gas hearth process....
02/25/1992
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