Class 65/97 - With severing or perforating

Subclass of Class 65 - Glass manufacturing
Definition: Processes including a severing or perforating step of hard
No. of patents: 35
Last issue date: 04/03/2012

Number	Title	Issue Date
8146385	Methods for separating glass sheets from continuous glass ribbons Methods for separating glass sheets from glass ribbons are disclosed. One method includes forming a glass ribbon having a curvature in a lateral direction. A conformable nosing is engaged with a first surface of the glass ribbon such that the conformable nosing conf...	04/03/2012
8146386	Constant force scoring device and method for using same A scoring device is described herein that applies a constant force while scoring a piece of material so that there is a consistent score quality (or vent depth) within the scored piece of material. In one embodiment, the piece of material is a bowed shaped glass she...	04/03/2012
8132427	Preventing gas from occupying a spray nozzle used in a process of scoring a hot glass sheet A spray nozzle is used in a process of quenching a hot glass sheet during a laser scoring process or other high energy glass heating process. The scoring is conducted by a high energy means such as a laser. The nozzle is located in proximity to the glass sheet, crea...	03/13/2012
7895861	Conformable nosing device for reducing motion and stress within a glass sheet while manufacturing the glass sheet A conformable nosing device is described herein which conforms to have a bowed shape that substantially matches a bowed shape of a glass sheet and which engages the glass sheet to help minimize the motion of the glass sheet and to help reduce the stress within the g...	03/01/2011
7110182	Glass sheet incorporating a plurality of optical elements and method for manufacturing the same To provide a glass sheet incorporating a plurality of optical elements, which incorporates a plurality of glass optical elements and realizes higher productivity and uniform quality of glass optical elements. The glass sheet incorporating a plurality of optical elem...	09/19/2006
7065984	Substrate for information recording media and manufacturing method thereof, information recording medium, and starting material glass plate A substrate for use as a disk substrate in a hard disk drive or the like, an information recording medium such as a magnetic disk, and a starting material glass plate which is a starting material of the substrate for information recording media. The forming conditio...	06/27/2006
7059154	Method 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
6926571	Method of manufacturing spacer, method of manufacturing image forming apparatus using spacer, and apparatus for manufacturing spacer A method of manufacturing a spacer having a low-resistance film without using any exhaust device, and being interposed between a first substrate having an image forming member and a second substrate having an electron-emitting device. The method including the steps ...	08/09/2005
6796146	Method for manufacturing patterned glass products A method and apparatus for manufacturing patterned glass sheets. In certain embodiments, the resulting glass sheets have a pattern defined therein which is designed so as to simulate conventional glue chipped glass sheets or antique glass. A heated glass ribbon exit...	09/28/2004
6574129	Resistive cross point memory cell arrays having a cross-couple latch sense amplifier A data storage device is disclosed that includes a resistive cross point array of memory cells, a plurality of word lines, and a plurality of bit lines, and a sense amplifier that utilizes a cross-coupled latch sense circuit. The memory cells can be singl...	06/03/2003
6532770	Methods of preparing glass substrates for magnetic media Described are substrates for magnetic media which have excellent surface properties as prepared directly from a slot drawdown glass sheet forming process. The substrate blanks cut directly from the glass sheet, as drawn, require little or no surface treat...	03/18/2003
6196026	Method of making a glass array plate with closure A method of making a glass multiwell plate for use in biological or chemical laboratory applications whereby the plate is formed by a single ribbon of molten glass passing twice over a mold such that the first section of glass takes the form of the mold a...	03/06/2001
6134919	Method for forming a glass article possessing an aperture The present invention is directed to an apparatus and method for forming glass article from sheet glass. More specifically the apparatus comprises a mold, a plunger being cooperative alignment with the mold, wherein the mold and the plunger form a cavity ...	10/24/2000
6098426	Method and apparatus for forming a glass article possessing an aperture The present invention is directed to an apparatus and method for forming glass article from sheet glass. More specifically the apparatus comprises a mold, a plunger being cooperative alignment with the mold, wherein the mold and the plunger form a cavity ...	08/08/2000
6055829	Process for producing a desired breaking point on a glass body A process is described for producing a desired breaking point for breaking the glass wall of a glass body, in particular a break-open ampule or a tube, or for separating parts out of a pane of glass by generating microcracks in the breaking zone, in which...	05/02/2000
5851254	Method for molding vitreous optical elements A method for molding optical glass elements including the steps of injecting molten glass material into a mold cavity through an injection port, runner and gate; cooling molten glass material in the mold cavity to a solidified state; and applying vibratio...	12/22/1998
5759222	Glass-plate working apparatus A glass-plate working apparatus includes: a glass plate carrying-in section; a main cut-line forming section disposed in proximity to the glass plate carrying-in section; a glass plate bend-breaking section disposed in proximity to the main cut-line formi...	06/02/1998
5749931	Coatings on glass A method of producing mirrors comprising depositing onto a ribbon of hot glass during the production process a coating comprising at least one pyrolytic reflecting layer and at least two reflection enhancing layers, the last applied or outer of the enhanc...	05/12/1998
5733353	Glass-plate working apparatus A glass-plate working apparatus 1 includes a glass plate carrying-in section 2; a glass plate bend-breaking section 3; a glass plate peripheral-edge grinding section 4; and a glass plate carrying-out section 5. The glass plate bend-breaking section 3 is p...	03/31/1998
5667897	Plate glass edge strength This invention relates to first and second plate glass templates each having an outer smooth major surface and an inner rough major surface, only each of the major outer smooth surfaces being peripherally bounded by a chamfer formed at the cut edge. In th...	09/16/1997
5667547	Method for manufacture of quartz glass plates A layer of quartz glass soot is deposited continuously on a substrate consisting of quartz glass grains with a lower degree of sintering activity than the quartz glass soot and the soot is sintered by passing it continuously through a heating zone to form...	09/16/1997
5580364	Method of producing a coated glass substrate exhibiting reflected color A method of producing mirrors comprising depositing onto a ribbon of hot glass during the production process a coating comprising at least one pyrolytic reflecting layer and at least one color modifying layer whereby the mirrors exhibit color in reflectan...	12/03/1996
5460638	Method for vacuum forming dishes from a ribbon A method and apparatus for producing a glass ware, such as a bowl or plate, via vacuum forming. A deformable glass ribbon is passed through a pair of parallel rolls or rollers, one of the rollers having a recessed cavity thereon for forming a thicker prod...	10/24/1995
4891054	Method for cutting hot glass A glass sheet is cut while at a temperature at about its annealing point temperature by scoring the glass sheet along a line of cut and imparting a bending moment to the glass along the scored line to open the glass. The glass sheet remains at its elevate...	01/02/1990
4828900	Discrete glass cutting and edge shaping Glass shapes and sheets are cut directly from a heated glass ribbon while maintaining the optical quality of the cut glass. A float glass ribbon is removed from a glass forming chamber and prior to annealing, a line of cut is heated to its softening tempe...	05/09/1989
4749400	Discrete glass sheet cutting Glass shapes and sheets are cut directly from a heated glass ribbon while maintaining the optical quality of the cut glass. A float glass ribbon is removed from a glass forming chamber and prior to annealing, a line of cut is heated to its softening tempe...	06/07/1988
4743284	Ribbon severing support A sliding support table to support a continuously advancing glass ribbon during severing. The ribbon is supported by and moves over the sliding support table which moves along the direction of the glass ribbon travel between stationary upstream and downst...	05/10/1988
4698088	Glass plate fabrication machine under automatic control A glass plate fabrication machine under automatic control comprises a work table moving linearly along the direction of feeding glass plates, a block moving linearly in the direction in perpendicular to the linear moving direction of the work table, a gri...	10/06/1987
4605429	Trimming products from sheet glass A method is disclosed for trimming a newly formed article from sheet glass while it is still in a semi-molten condition, by maintaining a peripheral portion of the sheet glass about the newly formed article out of contact with the mold so as to maintain i...	08/12/1986
4358542	Photochromic glass suitable for microsheet and simultaneous heat treatment and shaping The instant invention is directed to the production of photochromic glasses having compositions consisting essentially, as analyzed in weight percent on the oxide basis, of SiO2 --55-60 Al2 O3 --9-10 B2 O3...	11/09/1982
4082526	Method of applying powder to a glass ribbon A powder is applied to a glass ribbon as the ribbon is displaced between an annealing lehr and a cutting station. The powder on the ribbon facilitates removal of glass chips (1) generated during the cutting of the ribbon into sheets and (2) projected onto...	04/04/1978
3957475	Measuring glass surface temperature during annealing Method and apparatus for continually monitoring the surface temperature of a moving glass ribbon at a given distance from the edge of the ribbon where the ribbon moves through a critical portion of an annealing lehr where the rate of cooling determines wh...	05/18/1976
3953186	Industrial process for the production of glass razor blades The industrial process hereinafter described begins with molten glass in which is imbedded a mesh for shatter-resistance, and is then extruded, cooled, and scribed in the size and shape of an injector-style razor blade. The scribed extrusion is inspected ...	04/27/1976
3934995	Method of cutting hot glass band The present invention relates to a method for cutting discrete sheets from a band or ribbon of glass such as emerges from the final stages of a float line or other glass production system. In accordance with the invention, a selected portion of an advanci...	01/27/1976
3930825	Method of laser beam cutting of a ribbon of hot glass This application teaches a method of producing an article of glass by cutting it out of a sheet of flat glass. Flat glass is formed in a glass ribbon forming apparatus and is discharged therefrom at a temperature in excess of 1000.degree.F. The hot flat g...	01/06/1976

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Class 65/97 - With severing or perforating