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| Number | Title | Issue Date |
| 5851257 | Apparatus and method for pressing of glass articles at a high cavity rate The present invention is directed to an apparatus for pressing a glass article. The apparatus includes a frame. A mold having first and second mold halves are mounted on the frame. The mold halves define a cavity for receiving a glass gob. The mold halves... | 12/22/1998 |
| 5766294 | Method and apparatus for producing an optical element using a molding block and a temperature effecting mechanism contacting the molding block for heat exchange A method and an apparatus for producing an optical element capable of performing a molding temperature control required for a plurality of independent molding blocks in a short period of time, and continuously and simultaneously producing a plurality of d... | 06/16/1998 |
| 5417730 | Apparatus for molding an optical element A press molding apparatus produces an optical element of high precision efficiently in such a way that an upper mold member is at least slidably operated relative to a shell mold, and the force of an operation member to be applied onto the upper mold memb... | 05/23/1995 |
| 4786306 | Individual section glass forming machine The displacement of the plungers in a multi-gob individual section glass forming machine is monitored so that the location of the plungers, when each mold cavity has completely filled (parison formation point), can be determined. The desired location for ... | 11/22/1988 |
| 4095967 | Method of manufacturing glass fittings with side channel A method wherein the material for manufacturing the fitting is supplied into the mold to the point of intersection of its side channels which are arranged substantially horizontally, and pressing is performed simultaneously in all of the above channels of... | 06/20/1978 |
| 4002452 | Apparatus for making fused fiber energy-conducting devices Apparatus for making fused bundles of glass fibers including a rectangular support for receiving the fibers to be fused, quadrangularly related plungers, one movable toward and away from each of the sides of said rectangular die, a number of high pressure... | 01/11/1977 |
| 3990875 | Method for making fused fiber energy-conducting devices Method of making fused bundles of glass fibers permanently vacuum tight with the application of a high compressive force upon the bundles by heating the bundles while under the compressive force and in an evacuated environment to a temperature substantial... | 11/09/1976 |
