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Lawrence Welk, the bandleader who entertained millions of Americans over a generation of broadcasting his TV show, once received a patent: for a music-themed design of an ashtray.
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| Number | Title | Issue Date |
| 7748236 | Overflow downdraw glass forming method and apparatus The present invention discloses improved apparatuses for forming sheet glass. In one embodiment, the invention introduces a structural web that supports the forming structure in a manner such that the thermal creep which inevitably occurs has a minimum impact on the... | 07/06/2010 |
| 7681414 | Overflow downdraw glass forming method and apparatus The present invention discloses improved methods and apparatus for forming sheet glass. In one embodiment, the invention introduces a counteracting force to the stresses on the forming structure in a manner such that the thermal creep which inevitably occurs has a m... | 03/23/2010 |
| 7409839 | Method and apparatus for making a glass sheet In the formation of sheet glass by the overflow downdraw process, the width of usable sheet glass is maximized by downwardly flowing edge portions of the sheet over web-like members and thereafter over extensions which intersect with and are downwardly inclined rela... | 08/12/2008 |
| 6990834 | Overflow downdraw glass forming method and apparatus The present invention alters the flow path at the inlet of the sheet glass forming apparatus to improve quality. The bottom of the downcomer pipe is preferably shaped to alter the character of the vortex flow in the quiescent flow zone between the pipes. In another ... | 01/31/2006 |
| 6502423 | Method and apparatus for making individual glass panes A method and apparatus is described, with which individual rectangular glass panes of thickness between 0.03 mm and 2 mm can be cut from a glass band (2) drawn vertically from a hot forming device (1) in an in-line process with reduced rejects and reduced... | 01/07/2003 |
| 6128924 | Arsenic-free glasses This invention is related to glasses for use as substrates in flat panel display devices, more specifically to a family of aluminosilicate glasses in which less than 0.2 mole percent and preferably no As2 O3 is used as a fining agent... | 10/10/2000 |
| 6092392 | Process for producing thin glass on roll This invention relates to a continuous process for producing a web of thin, chemically hardened glass that can be wound on a roll. The process comprises the steps of (i) drawing glass, containing original alkali ions, to form a web of glass having a thick... | 07/25/2000 |
| 5824127 | Arsenic-free glasses This invention is related to glasses for use as substrates in flat panel display devices, more specifically to a family of aluminosilicate glasses in which less than 0.2 mole percent and preferably no As2 O3 is used as a fining agent... | 10/20/1998 |
| 5762674 | Apparatus for coating glass sheet ribbon Forming apparatus (22) and a method for forming a glass sheet ribbon G delivered from a float tank (44) to a topside support device (74) having a downwardly facing surface to which a vacuum and pressurized gas are supplied to support the glass sheet ribbo... | 06/09/1998 |
| 5100449 | Method of forming glass articles Disclosed is a method and apparatus for drawing an elongated glass article such as a fiber optic device. The article is drawn upwardly from a source through the surface of a quantity of molten metal having a vertical temperature gradient. The source can b... | 03/31/1992 |
| 4917717 | Apparatus for and process of coating glass Apparatus for pyrolytically forming a metal compound coating on an upper face of a hot glass substrate 1 comprises conveyor means 2 for conveying the substrate 1 in a downstream direction 3. A coating chamber 6 opening downwardly onto the path 1 and means... | 04/17/1990 |
| 4515621 | Sheet rolling machine In a rolling machine for continuously manufacturing rolled plates of glass or glass ceramics, in which the two shaping rolls can be changed during operation without interrupting the flow of glass, the two shaping rolls together with at least one replaceme... | 05/07/1985 |
| 4459148 | Roll for carrying glass sheets A roll (4) for conveying sheets of glass at a heat-tempering temperature horizontally through a heat-tempering furnace enclosure includes a core (10) of refractory metal and a shell (20). The shell (20) is formed of a refractory material composed of a cal... | 07/10/1984 |
| 4175942 | Method of glass drawing In the drawing of glass, steam or water vapor is introduced into the atmosphere surrounding the glass while the same is being formed to reduce or inhibit breakage of the glass during the drawing operation.... | 11/27/1979 |
| 4108714 | Process for producing plate-shaped silicon bodies for solar cells Molten silicon is controllably fed into a nip between spaced-apart rollers, converted into a wide ribbon of a desired thickness by passing through such nip and then solidified. The solidified silicon ribbon is then severed into plate-shaped bodies of desi... | 08/22/1978 |
