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| Number | Title | Issue Date |
| 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 |
| 6766662 | Method of manufacturing glass parts for connecting optical fibers, and glass parts for connecting optical fibers manufactured using the methods There are provided a method of manufacturing a glass part for connecting optical fibers, which allows insertion of optical fibers into the internal hole of the glass part smoothly, and glass parts for connecting optical fibers manufactured using the method. Predeter... | 07/27/2004 |
| 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 |
| 6363750 | Automatic pipette puller and forge A glass tube is positioned over a heater and stretched until drawn apart into two drawn portions. A controlled pulling force is applied to the tube by a powered driver such as a linear motor. After separation, one of the drawn glass portions is reposition... | 04/02/2002 |
| 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 |
| 5788733 | Device for the shaping of glass tubes In a device for shaping glass tubes (32), the shaping tools (3, 4), which are designed as shaping rollers, are mounted on a rotary table (2) that encloses the glass tube (32) and that rotates at a speed that is several times higher than the speed of rotat... | 08/04/1998 |
| 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 |
| 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 |
| 5178401 | Rotatable chuck for glass tubes Chucks for glass tubes should be designed so that, on the one hand, they grasp the glass tube gently so that the tube is not destroyed, and, on the other hand, so that they hold it securely enough so that a proper processing of the glass tube is possible.... | 01/12/1993 |
| 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 |
| 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 |
| 4247319 | Process and apparatus for calibrating of glass tube sections The invention relates to a process for calibrating sections of glass tubing, wherein a glass-tubing section is heated to a softening temperature, shaped to the calibrating dimension, and allowed to cool. The invention furthermore concerns suitable equipme... | 01/27/1981 |
| 4111677 | Apparatus for drawing glass tubing Method and apparatus for providing a glass tube with a uniform nozzle portion, i.e., one which has a true centerline. The method involves suspending the tube on vertically space suspension points therealong, with the lower of the suspension points being a... | 09/05/1978 |
