Class 65/113 - By or with flame

Subclass of Class 65 - Glass manufacturing
Definition: Processes in which a flame facilitates the severing or perforating.
No. of patents: 38
Last issue date: 12/27/2005

Number	Title	Issue Date
6978641	Method for cutting glass rod and cutting device for use therein To provide a method and apparatus for parting a glass rod without causing a crack or rupture at a grasped root portion of the glass rod in parting the glass rod for producing a glass preform. The apparatus for parting the glass rod in a predetermined length b...	12/27/2005
6845635	METHOD OF MANUFACTURING GLASS SUBSTRATE FOR INFORMATION RECORDING MEDIA, GLASS SUBSTRATE FOR INFORMATION RECORDING MEDIA MANUFACTURED USING THE METHOD, AND INFORMATION RECORDING MEDIUM USING THE GLASS SUBSTRATE There are provided a method of manufacturing a glass substrate for information recording media that allows the inner and outer peripheral edge surfaces of the glass substrate for information recording media to be smoothed easily and inexpensively, a glass substrate ...	01/25/2005
6761047	Apparatus for melting off a glass part from a hollow glass object The apparatus for melting off a glass top part from a hollow glass blank has individual burner sections (3) each containing at least one burner nozzle. The individual burner sections (3) are held in a cutting plane and movably connected with each other...	07/13/2004
6735986	Apparatus for preventing redeposition of silica during flame severing A method for fusing an optical fiber preform comprises fusing the preform while blowing an oxidative gas against the preform to be fused from upper and lower directions of a fusing burner unit. An apparatus for carrying out the method includes a plurality of nozzles...	05/18/2004
6568217	Method for manufacturing fluorescent lamp A method for manufacturing a fluorescent lamp that can achieve stable luminous characteristics and discharge characteristics and also does not suffer from cracks in the interconnected portion of the glass tubes while handling or lighting the fluorescent l...	05/27/2003
6560995	Method for manufacturing a fluorescent lamp A method for manufacturing a glass tube used for a fluorescent lamp having an arc tube constructed by joining a plurality of glass tubes is provided. According to this method, a straight glass tube held at both ends is rotated, and a predetermined cutting...	05/13/2003
6532776	Method and apparatus for fusing an optical fiber preform A method for fusing an optical fiber preform comprises fusing the preform while blowing an oxidative gas against the preform to be fused from upper and lower directions of a fusing burner unit. An apparatus for carrying out the method includes a plurality...	03/18/2003
6438996	Method for cracking off glassware A method for cracking off glassware (1), whereby glass pieces (1) are subjected to a laser radiation treatment (F). In a first step, the part of the glassware to be cracked off (3) is subjected in a region thereof to the action of a continuous laser radia...	08/27/2002
5970750	Method of making a fiber preform including a surface treatment to consolidate condensed material on the preform The invention relates to a method of performing surface treatment on a preform manufactured in an installation for manufacturing or building up preforms having supporting cores, the installation including at least rotation means having a horizontal axis o...	10/26/1999
5902368	Method for the heat-softened severance of glass tubes or plates Disclosed is a method for the heat-softened severance of thin-walled glass tubes or plates with a wall thickness of no more than 0.2 mm, wherein the glass is softened on a width of no more than 0.4 mm, the softened area is reduced by drawing to a wall thi...	05/11/1999
5667552	Machine to cut-off an end of a hollow glassware article A machine to automatically cut-off one end of a cylindrical hollow glassware article, comprising: a support structure including a shaft; an intermittent rotary driving mechanism mounted on the shaft, providing a plurality of positions corresponding to art...	09/16/1997
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
5611834	Method for controlling the free deformation of thermoplastic material The invention is directed to a method for controlling the free deformation of thermoplastic material in an automated process for processing the material to form articles. These articles are especially ampules, small bottles and the like produced from glas...	03/18/1997
5332411	Glass article cutting method A glass article cutting method by which a glass article can be cut not only along a linear line but also along a curved line of a desired profile and can be cut comparatively readily even if the glass article has a concave or convex portion on a face ther...	07/26/1994
5314523	Method for removing a marginal zone external of an outline cut in a glass sheet An outline is cut in a glass sheet to form an inner zone and an outer marginal zone. The glass sheet is positioned on a support which supports the inner zone and marginal zone from below. A carrier is arranged such that suction pads thereof adhere to the ...	05/24/1994
5221306	Method and apparatus for modifying the transverse cross section of a body The transverse cross section of a body is modified by the steps of: a) determining the extent to which the body has material in excess of a desired shape at a plurality of points, b) exposing the body to a local heat source having a temperature sufficient...	06/22/1993
5110340	Apparatus for removing a marginal zone external of an outline cut in a glass sheet A glass sheet has marginal zones thereof removed by (a) subjecting the marginal zones to a heating flame, and (b) raising the glass sheet (during or after the flame heating) while restraining upward travel of the marginal zones. The lifting is performed b...	05/05/1992
4898605	Glass vessel in particular, an ampoule and a method for treating the glass vessel A glass vessel, in particular an ampoule, having a prestress produced at a predetermined spot of the vessel which permits an automatic opening of the vessel at the predetermined spot following scratching by means of a suitable tool. The prestress, which i...	02/06/1990
4865919	Method of fabricating a curved glass panel having a removable section and glass panel with a removable section A sectional curved article e.g. an automotive window is made by cutting a piece of glass, shaping the piece of glass, cutting the shaped piece to provide inner and outer segments. The edges of the segments are seamed, and the segments chemically tempered ...	09/12/1989
4842635	Method of manufacturing a low-pressure mercury vapor discharge lamp and low-pressure mercury vapor discharge lamp manufactured by means of this method A method of manufacturing a low-pressure mercury vapor discharge lamp with a discharge vessel comprising two or more substantially parallel co-extending glass discharge tube portions (4 and 5) interconnected through a coupling which extend transversely to...	06/27/1989
4812152	Device and process for heating a flat object made of thermoplastic material along a predetermined zone In a process for heating an object made of thermoplastic material along a predetermined zone, a ring of burners arranged in series is guided along the zone and heats this zone, the zone forming a closed path and approximately matching the outer contour of...	03/14/1989
4769058	Method of making a smooth silica glass body Silica glass having a substantially smooth, planar surface is formed by floating sintered silica glass on a molten metallic bath. The molten metallic bath is maintained at a sufficiently high temperature to heat-polish the sintered silica glass surface wh...	09/06/1988
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
4705551	Test tube making and end coating A machine for making and painting test tubes by painting open-ended tubes and then fusing and severing them to form individual test tubes. Substitutable paint applicators varying in width, adjustable in location relative to the open-ended tubes, apply paint th...	11/10/1987
4682003	Laser beam glass cutting 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 th...	07/21/1987
4618355	Method and apparatus for sealing a mount in a cathode ray tube A method for sealing a mount including a wafer in a neck of a stationary cathode-ray tube comprises positioning a first tier of burner tips completely around the neck such that the burner tips are aimed nonradially along directions tangent to a first circ...	10/21/1986
4589902	Apparatus for sealing a mount in a cathode-ray tube Apparatus for sealing a mount including a wafer into a neck of a cathode-ray tube oriented along an axis comprises two tiers of burner tips. The first tier is disposed completely around the axis at a first distance therefrom and similarly aimed nonradiall...	05/20/1986
4572732	Machine for cutting off excess ends of hollow glass, plastic or similar articles A machine for trimming hollow glass articles includes a support in which a semi-finished article is held stationary and immovable, and a pair of split oscillatory burners for flame cutting at least one excess end of the semi-finished article, the burners ...	02/25/1986
4568372	Burners fitting out machines designed for the thermomechanical treatment of articles such as, more particularly, glass tubes A burner for a machine for the thermomechanical treatment of glass tubes is oriented obliquely with respect to a path of movement followed by the glass tubes in the machine. The burner is connected to a fuel delivery pipe and is provided with nozzles arra...	02/04/1986
4465501	Apparatus for aseptic and antiparticulate opening of sealed glass containers According to the method of aseptic and antiparticulate opening of a sealed glass ampul, one end of the ampul is submitted to a powerful thermal flux produced by flame tongue generating sources on a very localized zone for a time period sufficient to obtai...	08/14/1984
4185419	Working method for the automatic bursting-off and grinding the edges of glasses, and automatic machine for carrying out such method The present invention relates to a working method for the automatic bursting-off and grinding of the edges of glasses, particularly automatically manufactured shaft or stemmed glasses as discharged from the glass blowing automaton upon attaching the stem ...	01/29/1980
4165227	Stem-sealing method for assembling electron tubes including improved cullet collection In a method for sealing a glass stem into the neck of an electron tube, the stem, which is supported on a mount pin, is positioned in the neck, which is longer than desired. The neck is then heat sealed, as by fusion, to the stem, and the excess glass or ...	08/21/1979
4158555	Method of cutting of glass strand and product produced thereby A method of cutting glass fiber strands is disclosed wherein said strands are driven across the beam of an interruptable laser. The laser beam melts the strand at each pulse of the beam cutting the strand into short lengths. The cut strands can be immedia...	06/19/1979
4157909	Apparatus for forming mercury-filled capillary tubes The disclosure is of apparatus including two pairs of metal gripping blocks held together by a spring and mounted adjacent to wedge blocks carrying wedges for opening each pair. An operating plate is provided which drives the apparatus to cause the wedge ...	06/12/1979
3988136	Method for reducing thermally induced fracture of cathode ray tube bulbs during salvage Method for reducing the likelihood of cathode ray tube glass bulb and bulb component fracture caused by temperature cycling during tube salvage. The depicted salvage method includes heating and then cooling the exterior surfaces of a glass front panel and...	10/26/1976
3935419	Severing of glass or vitrocrystalline bodies In the severing of bodies of glass or vitrocrystalline materials by the application of a laser beam, the severing operation is improved by employing a beam of which at least the predominent wavelength is such that at least 10% of the beam energy penetrate...	01/27/1976
3932726	Glass cutting 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....	01/13/1976

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Class 65/113 - By or with flame