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| Number | Title | Issue Date |
| 8156764 | Device for gravity-bending glass on several support moulds with controlled transition between moulds A device for gravity bending of at least one glass sheet supported by at least one support forming part of a bending assembly, plural supports supporting the sheet during bending. The device includes a drive system for changing the shape of the support, the drive sy... | 04/17/2012 |
| 7389655 | Apparatus for bending and tempering glass panels An apparatus for bending and tempering glass panels includes a number of ring moulds for supporting and conveying glass panels; a number of preheating sections for heating glass panels to a bending temperature; at least one prebending section for sagging a glass pan... | 06/24/2008 |
| 7331198 | Bending apparatus for a glass sheet A desired temperature distribution is efficiently formed on a glass sheet by a simple structure without lowering heat efficiency within a furnace. A heating furnace conveys a bending mold of a glass sheet and a radiation-heating device is provided in the heating fur... | 02/19/2008 |
| 7240519 | Apparatus and method for bending glass sheets An apparatus for shaping heat softened glass sheets includes an upper mold having a full surface press face with a shaping surface generally contoured to the desired curvature of the sheets; a support device to support the sheets below the upper mold; a shaping rail... | 07/10/2007 |
| 7237408 | Flexible 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 |
| 7178367 | Apparatus 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 |
| 7162893 | Glass sheet bending station and method for glass sheet bending A glass sheet bending station (20) and method for glass sheet bending utilize a primary actuating mechanism (154) for moving mold support linkages to provide glass sheet bending with a constant radius and utilize control link detachable connections ( | 01/16/2007 |
| 7155939 | Apparatus for bending glass panels The invention relates to an apparatus for bending glass panels. The upper tier of successive mould carriers defines a number of heating sections, the last one of which is an actual bending section. The lower tier of successive mould carriers defines a number of cool... | 01/02/2007 |
| 7059155 | Method of bending glass A method of bending glass, in which glass (5) is heated in a bending furnace (1). After the heating, the glass (5) is transferred onto a mold (7). The glass-bending mold (7) is at at least one point arranged to be bent substantiall... | 06/13/2006 |
| 7024889 | Method and apparatus for bending glass sheets For bending a glass sheet so that the glass sheet has a compound curvature, an apparatus comprises a furnace including hearth beds on a bed support and a quenching unit provided with upper and lower air blowers. The final hearth bed may have a top surface with a sim... | 04/11/2006 |
| 6997693 | Casting mold half and casting mold for producing contact lenses A casting mold half (5, 5a) for producing contact lenses comprises a mount (50) and an insert (51, 51a), which is arranged at one end of the mount (50) and can be connected to the mount (50) and which has a shaping su... | 02/14/2006 |
| 6786065 | Method and apparatus for bending glass A method of bending glass, in which glass (5) is heated in a bending furnace (1). Before the bending, the glass (5) is transferred from the heating point or zone onto a mould (7) located thereafter. While the glass (5) is being tra... | 09/07/2004 |
| 6705116 | Method and an apparatus for bending a glass sheet In a method for bending a glass sheet, comprising using a first mold for supporting a peripheral portion of a glass sheet and a second mold provided inside the first mold; heating the glass sheet put on the first mold to a temperature to bend the glass sheet by grav... | 03/16/2004 |
| 6629436 | Apparatus for thermal treatment of glass and method and thermally treated glass therefrom The present invention is directed to an apparatus for thermal treatment of glass and method and thermally treated glass therefrom. The apparatus is capable of supporting the glass during thermal treatment such as tempering, annealing, bending, and/or shap... | 10/07/2003 |
| 6595027 | Method and apparatus for supporting the middle section of a glass panel to be bent in a mold The invention relates to a method and apparatus for supporting the middle section of a glass panel to be bent in a mold. During a preheating process of a glass panel, its middle section is supported by middle support elements carried along with a mold car... | 07/22/2003 |
| 6526781 | Method for roll forming glass sheets A method for roll forming a heated glass sheet utilizes a forming conveyor (62) including forming rolls (66) that are pivotally moved upwardly between horizontal rolls (46) of a horizontal conveyor (44) on opposite sides of a centerline (C/L) of the horiz... | 03/04/2003 |
| 6425269 | Method 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 |
| 6422040 | Method 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 |
| 6357263 | Method for bending a glass sheet, a ring mold for bending a glass sheet, and apparatus using the ring mold In bending a glass sheet, the load applied to an intermediate glass sheet can be equalized to improve the quality of a final glass sheet. For this purpose, a forming ring 1 comprises a first forming frame 15 and a second forming frame 16, and the swingabl... | 03/19/2002 |
| 6279347 | Method and apparatus for producing bent glass sheet This invention provides a method and an apparatus for producing a bent glass sheet. A heated glass sheet (4, 24, 24*) conveyed from a heating furnace (1, 21) is bent by pressing with at least one belt (5, 9, 25) made of a heat-resistant material against a... | 08/28/2001 |
| 6158247 | Apparatus for bending glass sheets The invention relates to a process for bending glass sheets. This process involves bending the glass sheet or sheets in at least two stages. The first stage employing the action of gravity leading to a shaped blank which is used in the formation of the fi... | 12/12/2000 |
| 6138477 | Process and apparatus for the forming of glass plates and application of said process to obtaining glazings with complex shapes There is disclosed a method for bending a sheet of glass heated to a bending temperature in a horizontal furnace through which it is conveyed by a plane conveyor delivering the glass sheet to a bending cell heated to substantially the same temperature as ... | 10/31/2000 |
| 6076373 | Apparatus and method for bending glass sheets The present invention provides an apparatus and method for a shaping sheet including a support frame and a shaping rail supported on the frame. The shaping rail has a sheet shaping surface that conforms in elevation and outline to a final desired shape of... | 06/20/2000 |
| 6044662 | Process for the forming of glass plates and application of the process to obtain glazings with complex shapes A method for bending a sheet of glass heated to a bending temperature in a horizontal furnace through which it is conveyed by a plane conveyor delivering the glass sheet to a bending cell heated to substantially the same temperature as the bending tempera... | 04/04/2000 |
| 6035666 | Apparatus for roll forming glass sheets A forming station (26) for roll forming a heated glass sheet include a forming conveyor (62) including forming rolls (66) that are moved upwardly between horizontal rolls (46) of a horizontal conveyor (44) on opposite sides of a centerline (C/L) of the ho... | 03/14/2000 |
| 6006549 | Bending mold having side mounted weight assemblies and method of use thereof The invention provides an articulated bending mold for shaping heat softened substrates, e.g., glass sheets, into curved shapes. The bending mold has a central portion with at least one, and preferably two, pivoting end sections. A biasing assembly is mou... | 12/28/1999 |
| 5974836 | Device used for the bending of plate glass into convex shapes A device used for the bending of plate glass sections (3) includes an oven (1), a bending chamber (6), an upper bending mold installed in the bending chamber (6) in such a manner as to be able to be raised and lowered, a duct producing a flow of hot gas i... | 11/02/1999 |
| 5974833 | Heat transfer method in glass sheet bending oven and a bending oven A heat transfer method in a glass bending furnace, which has a top array of of successive heating sections (2) and under it a bottom array of successive cooling sections (3), and in which method glass sheets are conveyed on bending molds in mold carrying ... | 11/02/1999 |
| 5876477 | Apparatus for heating and bending glass sheets involving raising a glass sheet towards furnace heat sources When heating and bending glass sheets in a furnace, it has been found to be desirable to raise the glass sheets towards the furnace heat sources to increase obtainable temperature differentials and reduce heating power. An apparatus for bending the glass ... | 03/02/1999 |
| 5735923 | Method of and apparatus for cooling and tempering a glass plate A glass plate is cooled and strengthened by placing the glass plate on a cooling ring in a substantially horizontal state and jetting out cooling air at upper and lower sides of the glass plate by upper and lower cooling air jetting-out devices arranged a... | 04/07/1998 |
| 5695537 | Apparatus for and method of bending glass sheets An apparatus for press bending glass sheets carried on a mold, the apparatus including a die having a lower surface shape to mold a glass sheet positioned thereunder to a desired curved shape, a first counterbalance assembly connected to the die for provi... | 12/09/1997 |
| 5679123 | Method of heating and bending glass sheets When heating and bending glass sheets in a furnace, it is desirable to raise the sheets towards the furnace heat sources to increase obtainable temperature differentials and reduce heating power. Disclosed is a method of bending a glass sheet on an appara... | 10/21/1997 |
| 5669953 | Glass sheet forming system A system (20) and method for forming a glass sheet includes a locating assembly (28) for locating at least one glass sheet below a downwardly facing surface (58) of a topside support device (26) that receives the heated glass sheet from a conveyor (24,24'... | 09/23/1997 |
| 5660609 | Method and device for the bending of glass sheets A method and device for the bending, on a frame, at least one glass sheet by gravity includes two bending steps. The glass sheets are first supported at their periphery along a first peripheral line by a rough bending device during the first step and alon... | 08/26/1997 |
| 5645621 | Apparatus for and method of bending glass sheets An apparatus for bending a glass sheet in a gravity bending step and in a subsequent press bending step includes a gravity bending mould having a fixed mould portion and an articulated wing portion adjacent to the fixed mould portion, a base on which the ... | 07/08/1997 |
| 5634957 | Apparatus for and method for bending glass sheets An apparatus for press bending glass sheets, the apparatus comprising an upper die, a suspension system for the upper die for suspending and vertically moving the upper die, a lower gravity bending mould and a plurality of spacer devices for spacing the u... | 06/03/1997 |
| 5578104 | Method of and apparatus for bending glass sheets The glass sheet is heated to a heat-softened condition in a furnace, and conveyed to a prescribed position above an upper shaping surface of a ring mold. The sheet is then transferred onto the ring mold by lowering part of the conveyor means, and bent by ... | 11/26/1996 |
| 5573566 | Method of making a quartz dome reactor chamber A method of making a quartz dome for a reactor chamber from a substantially flat quartz disk. The quartz disk is placed on a graphite ring which is rotated. The quartz disk is heated until the disk is softened slightly and it begins to slump. The softened... | 11/12/1996 |
| 5443608 | Modular installation for curving and tempering a glass sheet The installation for curving and tempering a glass sheet (1) comprises a first series (3) of shaping members (20) exhibiting a surface (3a) intended to come into contact with one of the faces of the glass sheet (1) and a second series (4) of members inclu... | 08/22/1995 |
| 5437703 | Bending glass sheets A method is provided in which a glass sheet is bent on a mould having a movable end, comprising the steps of: heating the glass sheet to its bending temperature; subjecting the glass sheet to an initial gravity bending step; providing support to a portion... | 08/01/1995 |
