Did You Know...
...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7287401 | System and method for cylindrically forming glass sheets A system (10) and method for cylindrically forming and quenching glass sheets includes a furnace (12), a bending station (16) at the exit end of the furnace for providing cylindrical bending, a roll bending station (18) located externally... | 10/30/2007 |
| 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 |
| 7231787 | Apparatus and method for bending and/or tempering glass An apparatus and method for bending and/or tempering glass substrate(s) are provided. The amount of near-IR radiation which reaches the glass to be bent and/or tempered is limited (e.g., via filtering or any other suitable technique). Thus, the IR radiation (used fo... | 06/19/2007 |
| 7228717 | Apparatus for glass sheet forming with cross curvature A glass sheet forming system (20) provides continuous roll conveyed forming of heated flat glass sheets to formed shapes having a major axis of curvature and a minor axis of curvature perpendicular to each other. The forming is performed by a roll station ( | 06/12/2007 |
| 7127918 | Method and apparatus for heating glass sheets in preparation of tempering A method and apparatus for heating glass sheets in preparation of tempering. A furnace (1) is provided with upper and lower convection blasting conduits (11, 14) extending lengthwise of the furnace. The furnace is also provided with upper and lower rad... | 10/31/2006 |
| 7107791 | Method 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 |
| 7086252 | System and method for continuous forming of glass sheets A glass sheet forming system (20) includes a roll bending station (28) having a lower roll conveyor (30) and an upper roll former (32) between which a heated glass sheet is progressively formed with a curved shape by lower and upper rolls... | 08/08/2006 |
| 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 |
| 6823695 | Press-forming system for glass An object of the present invention is to enable to use a common transfer machine for transferring performs to and for transferring products from a press-forming system for glass having a plurality of press units. The press-forming system for glass has a plurality of... | 11/30/2004 |
| 6802189 | Device and process for the remelting of glass A process for the remelting of glass bars, including the steps of introducing a glass bar into an upper end of a receiving shell; providing a molten bath having a surface underneath the receiving-shell; positioning the receiving shell such that a lower edge of the r... | 10/12/2004 |
| 6698243 | Method and apparatus for manufacturing bent glass sheet A heated glass sheet is bent by pressing together with at least one belt made of a heat-resistant material against a bending member. The glass sheet is bent as the glass sheet is conveyed with the belt along the bending member, and the bending member is c... | 03/02/2004 |
| 6668590 | Forced convection heating furnace and method for heating glass sheets A furnace (10) and method for heating conveyed glass sheets within a housing (12) includes forced convection heaters (24) spaced along the direction of conveyance both below and above a roll conveyor (20). Each forced convection heater (24) includes a gas... | 12/30/2003 |
| 6502424 | Process and plant for processing interleaved glass A method and plant for treating laminated glass having at least two glass sheets between which is arranged at least on intermediate sheet of non-glass material. The glass is attacked in a basic solution of fragmented laminated glass, so as to obtain an at... | 01/07/2003 |
| 6408649 | Method for the rapid thermal treatment of glass and glass-like materials using microwave radiation A method of thermally treating a glass or glass-like material, preferably a glass sheet, without the use of conventional tunnel-type furnaces, to effect rapid heating of glass and glass-like materials from any initial temperature to any required temperatu... | 06/25/2002 |
| 6378339 | Apparatus and method for glass sheet forming A glass sheet forming system (10) includes apparatus (12) having a forming station (22) for forming glass sheets by cooperation of a lower deformable roll forming conveyor (26) and an upper deformable roll forming press (32). The upper deformable roll for... | 04/30/2002 |
| 6370918 | Press forming machine for optical devices A press forming machine for optical devices which manufactures, an optical device from silica glass with a high glass transition point. A transparent quartz tube surrounds an upper die unit, lower die unit, fixed shaft, and moving shaft to form an airtigh... | 04/16/2002 |
| 6321570 | Method and apparatus for tempering and bending glass A method of and apparatus for bending and tempering a sheet of glass heated to a formable state provides an improved rigid mold and pressing member for pressing the heated sheet against the rigid mold which cools and bends the sheet. The pressing member i... | 11/27/2001 |
| 6314765 | Method and apparatus for controlling the shape and position of a deformable object A method and apparatus for controlling the shape and position of a deformable object are described. At least a portion of an object is heated to a temperature sufficient to render the heated portion deformable by a force. An image profile of the heated po... | 11/13/2001 |
| 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 |
| 6016669 | Pulsed fuel-oxygen burner and method for rotatable workpieces An apparatus for applying heat to a rotatable workpiece is disclosed. A rotating lathe is provided for mounting a workpiece, for example a quartz tube, thereto so as to enable rotation of the workpiece. At least one translatable burner is coupled to a fue... | 01/25/2000 |
| 6014873 | Process 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 |
| 6003339 | Glass compression molding machine and machining chamber therefor A molding die assembly includes an upper molding die and a lower molding die facing the upper molding die with provision for their alignment. The upper molding die includes an upper core, while the lower molding die includes a hollow cylinder and a lower ... | 12/21/1999 |
| 5938810 | Apparatus for tempering and bending glass A method of and apparatus for bending and tempering a sheet of glass heated to a formable state provides an improved rigid mold and pressing member for pressing the heated sheet against the rigid mold which cools and bends the sheet. The pressing member i... | 08/17/1999 |
| 5938807 | Method for manufacturing press-molded glass object and apparatus therefor In press molding, a shaft (metal mold 13) is moved by positional or torque control to cause upper and lower molds to reach a set position slightly before a position where the upper and lower molds are set in a final mold closed state. As soon as the upper... | 08/17/1999 |
| 5928398 | Method and apparatus for bending and tempering glass sheets An apparatus for bending and tempering glass sheets includes a roll conveyor for supporting a glass sheet, the glass sheet having a top and a bottom surface. The roll conveyor includes a plurality of vertically movable rolls for arching the conveyor to a ... | 07/27/1999 |
| 5858047 | Method and apparatus of bending glass sheets An apparatus for shaping heat softened glass sheets includes a shaping station to receive a heat softened glass sheet to be shaped, first and second transfer stations positioned along opposing sides of the shaping station, and first and second cooling sta... | 01/12/1999 |
| 5857358 | Method and apparatus for bending glass A method of and apparatus for bending a sheet of material heated to a formable, state such as glass, resinous polymeric material, viscoelastic material, and thermoplastic material, provides an improved pressing member for pressing the heated sheet against... | 01/12/1999 |
| 5858048 | Energy efficient, electric rotary furnace for glass molding (repressing) precision optical blanks A furnace for molding glass blanks includes a housing having a series of electrical heating stations and a rotary door adapted to receive glass blanks for processing. The furnace also includes a rotary turntable for receiving the glass blanks and a steeri... | 01/12/1999 |
| 5833729 | Method and apparatus for bending glass sheets The present invention provides an arrangement for shaping multiple sheets of heat softenable material which includes a shaping station and a conveying system to deliver a plurality of heat softened sheets into the shaping station. The shaping station incl... | 11/10/1998 |
| 5782946 | Method for manufacturing press-molded glass object In press molding, a shaft (metal mold 13) is moved by positional or torque control to cause upper and lower molds to reach a set position slightly before a position where the upper and lower molds are set in a final mold closed state. As soon as the upper... | 07/21/1998 |
| 5779753 | Method of and apparatus for treating a solid workpiece, especially a glass tube A solid workpiece, e.g. a glass tube, is shaped by a focussed beam of visible light or light in an adjacent portion of the electromagnetic spectrum in a material removal, cutting or drilling operation and is heat-treated or remelted or shaped in a plastic... | 07/14/1998 |
| 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 A method and an apparatus for producing an optical element capable of performing a molding temperature control required for a plurality of independent molding blocks in a short period of time, and continuously and simultaneously producing a plurality of d... | 06/16/1998 |
| 5704959 | Device for dividing laminated glass The invention relates to a device for dividing laminated glass, especially two-pane laminated glass, comprising two, plate-shaped supports for the glass sheet in which one of the supports is rigidly attached in the machine from and the other support is mo... | 01/06/1998 |
| 5697999 | Glass sheet bending apparatus Glass sheet bending apparatus (20) including at least one deformable mold (22) has a linkage (26) that extends between mold members (24) and includes connector links (28) fixed to the mold members and having pivotal connections (32) to each other about ax... | 12/16/1997 |
| 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 |
| 5669950 | Spout forming assembly and method therefor A spout forming assembly for glassware and a method therefor in which the assembly includes a spout forming device for forming a pour spout on the edge of a piece of glassware, an actuation device for actuating the forming device, and a control device for... | 09/23/1997 |
| 5665136 | Process for producing micro lenses using a laser beam Converged laser beam are irradiated, at right angles, to the surface of a workpiece which is made of glass and supported in a horizontal posture, so that the surface of the workpiece is locally heated and melted. The surface of the workpiece is formed int... | 09/09/1997 |
| 5662723 | Apparatus and method for forming a decorative pattern on glassware having an edge An apparatus and method for forming a decorative pattern on glassware having an edge that includes a base, a forming tool, actuation means and control means. The forming tool is mounted on the base. The tool is moveable between a first position and a seco... | 09/02/1997 |
| 5656052 | Apparatus for and method of heating and bending glass sheet A furnace is provided for the heating of glass sheets to be bent, whereby precise control of the temperature profile across a sheet may be achieved, resulting in improved control over the shape to which the sheet is bent. The furnace has at least one diff... | 08/12/1997 |
