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| Number | Title | Issue Date |
| 8015844 | Installation and method for the production of glass stoppers used for sealing bottles The invention relates to an installation and a method for producing glass stoppers which are provided with a head portion and are used for sealing wine bottles and sparkling wine bottles. The installation comprises a mold for producing glass stoppers, a feeder syste... | 09/13/2011 |
| 7340923 | Pressing plunger mechanism for a glassware forming machine A pressing plunger mechanism for a glassware forming machine has at least one pressing plunger which in normal operation can be moved axially in a reciprocating manner together with a pressing plunger receiver between an inoperative position and a pressing position.... | 03/11/2008 |
| 7290406 | I.S. machine An I.S. Machine is disclosed which includes a structure displaceable from a start location to an end location and a motor for displacing that structure. A control controls the operation of the motor to displace the structure and the speed of displacement can be vari... | 11/06/2007 |
| 7137198 | Cover attachment method A rotor cover attach and release apparatus for a centrifuge includes a knob and a cover and housing affixed to the knob. The apparatus also includes an adapter connected to the housing and a plunger including an annular groove disposed within the knob and housing. T... | 11/21/2006 |
| 7065986 | Molding assembly A molding assembly, that includes: a plurality of support pillars fixedly attached to a support structure, wherein each support pillar includes a recessed seat; a mold support member, and; a flexible ring for holding a mold in contact with the mold support member, w... | 06/27/2006 |
| 7003982 | Apparatus for introducing blowing air into glass container forming machine molds A plunger for intermittently delivering counterblow air to a gob glass at a formidable temperature in a blank mold of an I.S. glass container forming machine being operated on the blow and blow process. The plunger comprises a fixed annular member with an enlarged r... | 02/28/2006 |
| 6948339 | Punch assembly for producing hollow glass articles in a mold A punch assembly for producing hollow glass articles in a mold has a punch member, which is moved to and from the mold along a straight axis by an electric motor positioned eccentrically with respect to the straight axis and connected to the punch member by a rotary... | 09/27/2005 |
| 6907756 | Plunger for bottle forming I.S. machine A plunger for use in forming parisons during the manufacture of glass containers having a biased open valve therein. ... | 06/21/2005 |
| 6907754 | Self-aligning impact tolerant I.S. machine cartridge assembly A cartridge assembly for a blow-and-blow parison-forming machine comprises a cylindrical barrel, an annular lower stop having a central opening for accepting a piston rod and having an upwardly opening tapered recess adjacent the central opening, an annular cylinder... | 06/21/2005 |
| 6701748 | Glassware machine A glassware machine having a glassware mold and a movable plunger positioned adjacent to the glassware mold for pressing a glass gob in the glassware mold to form a glassware article. The glassware machine includes an electric motor operatively connected ... | 03/09/2004 |
| 6698241 | Method and device for pressing a gob Method and apparatus for pressing a parison. A parison mold is composed of neck tool halves and parison mold halves. A gob of molten glass had first been introduced through an upper loading orifice into a cavity of the parison mold, while a pressing plung... | 03/02/2004 |
| 6578386 | Plunger mechanism for I.S. machine A plunger mechanism which has a one piece housing into which is inserted the upper sealing member. The upper sealing member is secured to the interior wall of the housing at its desired location.... | 06/17/2003 |
| 6497120 | Quick change connector for plunger for glass container forming process and equipment A plunger assembly for use in a glass bottle forming machine permitting quick exchange and self-aligning of a plunger held on a plunger driving piston comprising a plunger having an annular recess, an adapter having a plurality of stepped radial bores ext... | 12/24/2002 |
| 6397635 | Plunger mechanism for the pressing of gobs of molten glass in the blank mould of an I.S. machine for the production of hollow ware Plunger mechanism for the pressing of gobs of molten glass in the blank mould of an I.S. machine for the production of hollow ware, characterized in that the driving and controlling of the up and down movements of the pressing plunger is effected by a lin... | 06/04/2002 |
| 6170294 | I. S. machine An I.S. Machine for making glass bottles, having a plurality of sections, each having a blank station for forming a parison. Each section has a section frame having a top surface, and a plunger mechanism including at least one plunger canister having a lo... | 01/09/2001 |
| 6170296 | Mechanism for driving plungers of metal molds in a bottle-making machine A single drive mechanism for simultaneously driving plungers of a plurality of metal molds in each of the sections by employing an output cost-efficient electric motor as a mechanism for driving the plungers. The novel plunger drive mechanism makes it pos... | 01/09/2001 |
| 6131502 | Cavity jacket for plunger piston A device for inhibiting glass from falling into an annular cavity formed between a plunger piston and an inner piston telescopically journalled within a longitudinal cavity within the plunger piston includes a rigid sleeve mountable to the plunger piston,... | 10/17/2000 |
| 6098426 | Method and apparatus for forming a glass article possessing an aperture The present invention is directed to an apparatus and method for forming glass article from sheet glass. More specifically the apparatus comprises a mold, a plunger being cooperative alignment with the mold, wherein the mold and the plunger form a cavity ... | 08/08/2000 |
| 6079226 | Method of forming a glass parison A hollow glass parison is formed by pressing a gob of molten glass in a mold cavity with a plunger which is moved in a linear direction by a leadscrew which is connected to the plunger and is driven by a servomotor. Actuation of the servomotor creates a r... | 06/27/2000 |
| 5964914 | Plunger base module for a plunger mechanism of an I.S. machine A plunger base module for a selected number of vertically extending cylindrical plunger canisters each having a bottom surface and including a set of service conduits including plunger up, plunger down, and counterblow/vacuum or cooling, with each of the ... | 10/12/1999 |
| 5908483 | Apparatus and process for molding of glass A press head drive cylinder control having a force sensing, force signal providing load cell on the drive cylinder of a glass molding press. The glass molding press having a base, a mold table rotatably mounted on the base, a plurality of mold positions o... | 06/01/1999 |
| 5876475 | Glass container forming process and equipment A method and apparatus for forming a glass container in a blow-and-blow process. The apparatus includes an air flow controller having a housing defining a chamber, a piston disposed for reciprocal movement from a first position to a second position within... | 03/02/1999 |
| 5868813 | I. S. machine An I.S. Machine for making glass bottles, having a plurality of sections, each having a blank station for forming a parison. Each section has a section frame having a top surface, and a plunger mechanism including at least one plunger canister having a lo... | 02/09/1999 |
| 5858049 | Plunger mechanism for an I.S. machine A plunger mechanism has a plunger canister module to be mounted on the top wall of a section frame of an I.S. machine. The module includes one, two, three or four plunger canisters each having a vertically extending cylinder having a locating diameter at ... | 01/12/1999 |
| 5853449 | Plunger mechanism for an I.S. machine A plunger mechanism comprising a vertically extending cylindrical plunger canister having a bottom surface and including a plurality of service air conduits with each conduit having an inlet port communicating with the bottom surface. A plunger distributi... | 12/29/1998 |
| 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 |
| 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 |
| 5800590 | Plunger assembly Controlled movement of the pneumatically operated plunger in the narrow neck press and blow process of manufacture of glass containers is achieved by use of a pressure regulating valve in the air supply to the plunger which determines the pressure supplie... | 09/01/1998 |
| 5755848 | Plunger supporting mechanism A plunger supporting mechanism includes a bottom mold into which a gob is loaded; a plunger which is arranged above the bottom mold, and which is lowered to pressure the gob in the bottom mold to press the gob into a glass product, the plunger having an u... | 05/26/1998 |
| 5735926 | Apparatus for the driving of plungers in a feeder of a glass forming machine The apparatus comprises at least one plunger (2) and a plunger holder (3) which can be raised and lowered. An arm (18) of a tilt lever (17) is coupled to the plunger holder (3). A link member (22) of a drive system (23) cooperates with the other arm (20) ... | 04/07/1998 |
| 5728191 | Plunger for gob feeder A plunger for a gob feeder arranged at a forehearth of a glass melting tank furnace which includes a plunger head arranged above an opening of the forehearth, having a hollow space formed therein and, a raising and lowering unit for raising and lowering t... | 03/17/1998 |
| 5725629 | Guide ring for I.S. glass forming machine A self-lubricating ring assembly (10) for use in forming a finish portion (F) of a hollow formable glass parison (P), the neck ring assembly (10) having an opposed pair of part cylindrical metallic neck ring sections (22a, 22b) that can be opened and clos... | 03/10/1998 |
| 5718740 | Plunger assembly for a glassware forming machine A plunger assembly for a glassware forming machine is readily convertible between, for example, double and triple gob configurations and between press and blow and blow and blow operation. A framework is provided with a replaceable positioning plate with ... | 02/17/1998 |
| 5707414 | Servo plunger mechanism A plunger mechanism for forming a hollow article of glass in a "narrow neck press and blow" operation which utilizes an electro servo-driven leadscrew to actuate it. A position sensing resolver is used to determine the position of the plunger over the ful... | 01/13/1998 |
| 5693114 | Multiple orifice glass feed utilizing plungers A multiple glass feed system for use with a glass forehearth including a plurality of closely spaced plungers, each of which is individually adjusted independently of the other. The upper end of each plunger is oval in cross section and the lower end is r... | 12/02/1997 |
| 5637129 | Glass melting furnace plunger needle set-up fixture A set-up fixture (50) for positioning the needle holders (18, 20, 22) of a molten glass feeder bowl with respect to one another, the fixture having a frame member (52) and a plurality of prongs (54, 56, 58) depending from the fixture, one prong for each o... | 06/10/1997 |
| 5632796 | Piping arrangement for permitting vertical adjustment of a glassware forming machine An arrangement in a glassware forming machine for connecting a supply of operating air to a mechanism mounted in a frame of the machine, which mechanism may need to be adjusted in position vertically in the machine comprises a flexible pipe which connects... | 05/27/1997 |
| 5632794 | Method and apparatus for cooling a glass pressing plunger The present invention is directed to a method and an apparatus for forming glass articles from molten glass involving differentially cooling a plunger for press forming glass articles in a cooperative forming mold. More specifically, the method involves i... | 05/27/1997 |
| 5609664 | Guide ring for I. S. glass forming machine A self-lubricating ring assembly (10) for use in forming a finish portion (F) of a hollow formable glass parison (P), the neck ring assembly (10) having an opposed pair of part cylindrical metallic neck ring sections (22a, 22b) that can be opened and clos... | 03/11/1997 |
| 5593472 | Glass feeder heat baffle A tube assembly for use in a spout bowl assembly including a bowl for receiving molten glass having a central orifice closed by an orifice plate having one or more openings and a corresponding plurality of vertically reciprocating plungers associated with... | 01/14/1997 |
