1
Takao Minakawa, Shigeo Shiono, Junichi Nishihashi: Laser beam glass cutting. Sasaki Glass, Cushman Darby & Cushman, July 21, 1987: US04682003 (61 worldwide citation)

In a laser beam glass cutting method, a glass article to be cut (for example a moulded tumbler having a moil) is maintained at a high temperature below the softening point of the glass and then the glass is repeatedly irradiated with a laser beam along the required cut-off line by rotating the glass ...


2
Willy Verheyen, Andre Raes, Jean Paul Coopmans, Jean Louis Lambert: Glass cutting. Glaverbel Mecaniver, Spencer & Kaye, January 13, 1976: US03932726 (38 worldwide citation)

In the severing of glass by irradiating it with a laser beam along the line where it is to be severed, the quality and speed of the severing operation are improved by preliminarily scoring the glass along such line.


3
Charles B Hembree, Brian T Shea: Glass cutting device. Wing Aero, Bielen and Peterson, December 1, 1987: US04709483 (24 worldwide citation)

A glass cutting device which is especially useful for cutting sheet glass having a motor driven glass cutting head mounted on a platform. The glass cutting head may include a marker as well as a cutting wheel for performing the functions of marking and cutting glass from a stock piece of glass. The ...


4
McDavid James C, Miles Jr Russell H: Glass cutting method and apparatus. ASG, August 28, 1973: US3754884 (21 worldwide citation)

A method and apparatus for cutting glass sheets from a glass ribbon in the continuous production of glass. The glass ribbon, after it is formed from molten glass material, is brought to a temperature corresponding to the strain point of the glass and cut while at this temperature into successive she ...


5
Raymond J Mouly: Discrete glass cutting and edge shaping. PPG, Andrew C Siminerio, May 9, 1989: US04828900 (20 worldwide citation)

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 temperature. A blade arrangement thereafter penetr ...


6
Wayne C Mullen: Glass cutter apparatus. Richard D Law, October 17, 1978: US04120220 (20 worldwide citation)

Glass cutter (or scoring) apparatus for hand usage adapted to facilitate a preferred cutting procedure wherein the glass to be cut is itself moved with respect to a stationary cutter or stylus to provide a desired score line. A glass cutter that may have a cutter wheel or stylus is supported above a ...


7
Thomas A Insolio: Glass cutting method and apparatus. The Fletcher Terry Company, McCormick Paulding & Huber, April 19, 1977: US04018372 (19 worldwide citation)

The internal compressive stresses sub-adjacent the surfaces of relatively thick (over 1/2 inch) glass sheet material are mechanically reduced on the surface to be scored by bending the glass during the scoring process to allow a glass cutting wheel of conventional geometry to overcome these stresses ...


8
Chui Granger K: Method of cutting glass with a laser. Ford Motor Company, Johnson William E, Zerschling Keith L, May 27, 1975: US3885943 (19 worldwide citation)

A method of cutting glass by use of focused laser beam is disclosed. A glass sheet is heated to a temperature in the range from about 1,000.degree.F to about 1,250.degree.F. A threshold power level is developed in a focused laser beam having a wave length above 5 microns. The focal point of the lase ...


9
Zumstein Ernst, Fiechter Roy: Apparatus for sorting unsorted glass plates of a glass-cutting installation.. Bystronic Masch, March 31, 1982: EP0048334-A1 (18 worldwide citation)

1. A device for sorting unsorted panes of glass from a glass-cutting installation, having a compartmented rack (68) which has perpendicular compartments (66) for the sorted reception of respective panes of glass (S), furthermore having a displaceable carriage (72, 148), movable along the compartment ...


10
John Murry Owens: Detecting damage to bulk material. Microwave and Electronic Systems, Sughrue Rothwell Mion Zinn and Macpeak, October 18, 1977: US04054867 (18 worldwide citation)

Damage to sheet glass is detected by monitoring with a piezo-electric sensor vibrations at ultrasonic frequencies propagated in the glass. Cutting, scoring or chipping of glass generates a frequency spectrum having high frequency components at greater than 100 kilohertz and particularly at about 300 ...