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| Number | Title | Issue Date |
| 7318329 | Method of making a container from a bottle A bottle is separated along at least one or two severance planes and the base of the bottle is discarded leaving the body portion behind. The body portion having a rim (10) is inverted to form the bowl of the goblet. Under heat and rotation, the original mout... | 01/15/2008 |
| 7290408 | Apparatus for supporting a preform having a supporting core The invention relates to apparatus for supporting a preform manufactured in an installation for manufacturing or building up preforms having supporting cores, said installation including at least rotation means having a horizontal axis of rotation and two mounting p... | 11/06/2007 |
| 6789398 | Mold incorporating a heat source and apparatus and method for using such molds A heat source is formed within one piece of a multi-piece mold designed to shape a glass tube. The one piece of the mold can then be used as a source of intense heat to render the glass malleable and to also contribute to shaping the tube in conformance with the mol... | 09/14/2004 |
| 6568218 | Apparatus for shaping glass tubes Apparatus for shaping a selected end region and the opening at a selected end of a hollow cylindrical glass tube includes a support member for holding and rotating the tube in a controlled manner and a heat source for supplying sufficient heat to the sele... | 05/27/2003 |
| 6209353 | Method for producing an object having a flange and apparatus therefor A known method for producing an object having a flanged tubular portion at the outer periphery, comprises supplying a continuously extended, cylindrical body made of the flange material to a welding zone at the tubular portion of the object and welding th... | 04/03/2001 |
| 6134920 | Method of preparing glass cartridges Methods of plastically forming an axially extended zone of the interior surface of a hollow glass tube heated to its forming temperature employ a generally cylindrical embossing mandrel connected to a driving shaft. The hollow glass tube and the embossing... | 10/24/2000 |
| 6079230 | Apparatus for preparing quartz micropipettes The apparatus for preparing quartz micropipettes includes a pair of carriers mounted on a linear ball bearing guide which grasp opposite ends of a quartz glass capillary tube. A pair of miniature torches fueled by a mixture of oxygen and propane simultane... | 06/27/2000 |
| 5893941 | Method and apparatus in bending and tempering of a glass sheet A method and an apparatus for bending and tempering of a glass sheet is disclosed. The means to be used in the method for supporting the glass sheet is a supporting device in two parts, wherein the first supporting device forms a substantially planar supp... | 04/13/1999 |
| 5843199 | Method and device for fire-polishing a lengthwise extended glass body During the fire-polishing of a lengthwise extended glass body (3), for example a preform for drawing optical fibers, the glass body (3) is held by a holding device (5, 7), and is heated by a burner (23) moving at a variable advancing speed parallel to the... | 12/01/1998 |
| 5683483 | Manufacturing method and equipment for large, high-purity flat or curved quartz glass plate The present invention provides large, high-purity quartz glass plate with a high degree of smoothness and flatness, its manufacturing method and equipment. The invention is characterized by the procedure in which a quartz glass tube with an opening over a... | 11/04/1997 |
| 5183490 | Optical fiber soot synthesis apparatus An optical fiber soot synthesis apparatus which synthesizes around a fiber starting member forming a core of an optical fiber an optical fiber soot forming a cladding and which accurately calculates in real time the mass of the optical fiber soot when dep... | 02/02/1993 |
| 5167420 | Apparatus for forming a groove in a glass tube Apparatus for forming a groove in a glass tube without contacting the glass tube in the groove region. The apparatus includes a pair of chucks for holding opposite ends of the glass tube. The chucks are coupled to a motor for rotating the glass tube about... | 12/01/1992 |
| 5158589 | Lathe system and methodology One method of the present invention provides a method of connecting a flange to a cylinder. This method includes securing the cylinder in a first chuck of a lathe and securing the flange in a second chuck of the lathe. The method also includes rotating th... | 10/27/1992 |
| 5118333 | Apparatus for contacting a preform rod to cause the preform rod to have a substantially straight longitudinal axis and a transverse cross section which is substantially circular and disposed concentrically about its longitudinal axis In order to provide a substrate such as an optical preform rod (24) which is suitable for insertion into a tube and which has a transverse cross section that is substantially circular and disposed concentrically about a longitudinal axis of the substrate ... | 06/02/1992 |
| 5030266 | Apparatus for adjusting the configuration of optical substrates In order to provide a substrate such as an optical preform rod (24) which is suitable for insertion into a tube and which has a transverse cross section that is substantially circular and disposed concentrically about a longitudinal axis of the substrate ... | 07/09/1991 |
| 5022909 | Tube processing machine The invention is a machine for processing tubes. Preferably the machine is adapted to create glass flares by flaring an end of each tube and then cutting a length off the flared end. The machine includes several holding devices, each of which is adapted t... | 06/11/1991 |
| 5017208 | Apparatus for forming a groove in a glass tube Apparatus for forming a groove in a glass tube without contacting the glass tube in the groove region. The apparatus includes a pair of chucks for holding opposite ends of the glass tube. The chucks are coupled to a motor for rotating the glass tube about... | 05/21/1991 |
| 4875916 | Methods of adjusting the configuration of optical substrates In order to provide a substrate such as an optical preform rod (24) which suitable for insertion into a tube and which has a transverse cross section that is substantially circular and disposed concentrically about a longitudinal axis of the substrate su... | 10/24/1989 |
| 4869744 | Method of manufacturing an electric lamp, and device for performing such a method Method of manufacturing an electric lamp having a glass tubular part (101) with a longitudinal axis, which part is sealed by a sealing member in which firstly a constriction with a collar (105) is formed by means of heating at one end of the tubular part ... | 09/26/1989 |
| 4818266 | Apparatus for producing glass tubing of a narrowed diameter The method of the present invention consists of the steps of heating an area along the length of a small diameter glass tube while the tube is being rotated, pulling the heated tube using an unidirectional force to rapidly extend the heated area while mec... | 04/04/1989 |
| 4507137 | Driven roller tube conveyor A conveyor apparatus for receiving and transporting cylindrical stock or articles past work stations includes a plurality of rollers disposed along spaced-apart parallel axes. The rollers are driven through one-way or overrunning clutches and rotate cylin... | 03/26/1985 |
| 4477273 | Method of and apparatus for straightening and configuring a preform tube from which lightguide fiber is drawn A preform from which lightguide fiber is drawn is made by depositing optically suitable layers of doped silicon dioxide on an inner wall of a rotating glass substrate tube which is exposed to a moving zone of heat during a deposition mode and during a col... | 10/16/1984 |
| 4330317 | Method and machine for making vials from glass tubing Method and machine for making vials from glass tubing, wherein at least one glass tube (22) with closed bottom is loaded on a rotatable plate (11), having a series of holes circumferentially passing therethrough, and is then grasped by upper pliers (23'),... | 05/18/1982 |
| 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 |
| 4031598 | End-forming machine for fluorescent lamp tubes An improved end-forming machine for fluorescent lamp tubes which employs a single main splined shaft to drive both indexing units in unison while having the facility to accommodate all standard commercial glass lamp tubes which may vary in length from 96 ... | 06/28/1977 |
