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| Number | Title | Issue Date |
| 6615711 | Press-forming machine for glass An object of the present invention is to facilitate the release of a formed product from a die. A lower die is formed of a die plate, a plurality of cores, a cavity die and a slide plate. In the cavity die, a plurality of first opening portions are formed... | 09/09/2003 |
| 6233975 | Common cage assembly A common cage assembly for a mold for a glassware machine having a mold support member. The assembly further includes a first cage member and a second cage member. Each of the cage members is movably mounted adjacent to the mold support member. Each of th... | 05/22/2001 |
| 5823011 | Apparatus for press molding glass bodies In the press-molding method for producing molded glass bodies, the molding plug remains in contact with the molded glass body in the mold after the molding process until the regions close to the surface have cooled to a temperature at which the molded bod... | 10/20/1998 |
| 5411564 | Pneumatic plunger mechanism for a glassware forming machine Both blow-and-blow and press-and-blow plunger mechanisms for use in forming a parison from a gob of fluid glass in a individual section (IS) of a glassware forming machine are fully pneumatically controlled. Plunger and thimble pistons affirmatively posit... | 05/02/1995 |
| 5358543 | Air tube structure in a glass container forming machine In an individual section machine for producing glass containers from molten glass, a sliding tube-in-a-tube arrangement forms part of an internal cooling air passageway for directing a pressurized air flow to a pressing plunger. A linearly-movable piston ... | 10/25/1994 |
| 5334233 | Cylinder-port block arrangement for glass container forming apparatus A forming plunger mechanism for glass container manufacturing of the type used in an I.S. machine and having at least one vertically-oriented cylinder containing a reciprocally-driven piston for repeatedly driving a plunger upwardly into parisons containe... | 08/02/1994 |
| 4836840 | Press-molding device for lenses In a press-molding device for lenses, an upper surface of a drag is formed into a molding surface, and a lower surface of a cope is formed into a molding surface. An inner peripheral surface of a guide mold portion is in contact with an outer peripheral s... | 06/06/1989 |
| 4836838 | Apparatus for molding glass articles In an apparatus for molding glass articles, a plurality of processing chambers including a heating chamber, a press chamber and a cooling chamber are arranged in order along a predetermined circular transport path. The processing chambers are surrounded b... | 06/06/1989 |
| 4797144 | Deep pressing mold and process for molded optical elements A method and apparatus for molding precision optical quality glass elements having complex and concave surfaces requires the apportionment of relative movement between two opposing mold surfaces. First and second molds are contained within a floating alig... | 01/10/1989 |
| 4778505 | Method of molding glass body According to a method of molding a glass body, a glass preform is placed between upper and lower molds of a mold assembly. The mold assembly is then heated to a predetermined heating temperature falling within a heating temperature range corresponding to ... | 10/18/1988 |
| 4756737 | Apparatus for producing optical element There is disclosed an apparatus for producing optical elements, provided with a conveyor for transporting carriers for materials of optical elements into an evacuatable process chamber, and with a heating system for the material supported by the carrier, ... | 07/12/1988 |
| 4612033 | Machine for making pressed glass parts Machine for making pressed glass parts, and particularly cups and stems. A rotatable machine table (4) has several work stations (1) which have one bottom plate (31) each with a means (37) for centering an exchangeably mountable glass mold (3). Each work ... | 09/16/1986 |
| 4459147 | Press head for glassware forming machine An adjusting mechanism is disclosed for the press head of a glassware forming machine of the rotating table type having a plurality of forming units circumferentially spaced for rotation about the axis of the machine. Adjustment is effected by rotating a ... | 07/10/1984 |
| 4336050 | Method for manufacturing glass bottles A method of forming parisons in machines for making glass bottles which includes introducing a gob of molten glass into a blank mold, moving a cavity plunger to form a parison cavity and subsequently subjecting the gob to a predetermined pressure separate... | 06/22/1982 |
| 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 |
| 4002454 | Glassware forming machine of the I. S. type for upright press and blow process The individual section of a Hartford I. S. type machine is modified to permit forming the parisons in an upright orientation, and also for transferring the upright parisons from the blank to the blow side of the section without disturbing this upright ori... | 01/11/1977 |
