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...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?
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| Number | Title | Issue Date |
| 7418834 | System, method, and apparatus for interchangeably accommodating both fixed and floating takeout inserts A takeout jaw for handling glass bottles includes a holder for both fixed and floating inserts. This design allows an insert to be in a fixed position when the insert is provided with a nominal thickness. When a floating insert of a lesser thickness is installed, th... | 09/02/2008 |
| 7013677 | Device for glass melt delivery and method for using them The present invention provides devices for glass melt devlivery and methods for using these devices. In these devices, a delivery nozzle comprising at least one platinum group metal material is directly heated by electricty. To facilitate heating, a cylindrical heat... | 03/21/2006 |
| 6802189 | Device and process for the remelting of glass A process for the remelting of glass bars, including the steps of introducing a glass bar into an upper end of a receiving shell; providing a molten bath having a surface underneath the receiving-shell; positioning the receiving shell such that a lower edge of the r... | 10/12/2004 |
| 5964912 | Method of controlling glass flow through multiple orifices utilizing reciprocating plungers A method of controlling the flow of glass through multiple orifices in which a plurality of closely spaced vertical plungers have cylindrical lower portions and oval upper portions. The upper portions of the plungers are engaged and supported in closely s... | 10/12/1999 |
| 5944863 | Apparatus for controlling flow of casing glass in a cased glass stream Apparatus for forming a cased glass stream having an inner core glass surrounded by an outer casing glass includes a first orifice for receiving core glass from a first source. A second orifice is vertically spaced beneath and aligned with the first orifi... | 08/31/1999 |
| 5935286 | Method and apparatus for delivering a cased glass stream Apparatus for forming a cased glass stream having an inner core glass surrounded by an outer casing glass includes a first orifice for receiving core glass from a first source, and a second orifice vertically spaced beneath and aligned with the first orif... | 08/10/1999 |
| 5925161 | Method and apparatus for delivering a glass stream for forming charges of glass An apparatus for delivering a glass stream including a first inner layer and a second outer layer, including a generally vertical orifice, and delivering glass from a second source such that the glass from said second source provides an outer layer about ... | 07/20/1999 |
| 5868812 | Method and apparatus for delivering a cased glass stream Apparatus for forming a cased glass stream having an inner core glass surrounded by an outer casing glass includes a first orifice for receiving core glass from a first source. A second orifice is vertically spaced beneath and aligned with the first orifi... | 02/09/1999 |
| 5853447 | Method and apparatus for delivering a cased glass stream Apparatus for forming a cased glass stream that includes at least one pair of aligned orifices coupled to sources of core and casing glass such that glass flows by gravity from the first and second sources through the aligned orifices to form a cased glas... | 12/29/1998 |
| 5779749 | Generation of needle motion profile in an individual section glassware forming system In an individual section glassware forming system that includes a plurality of operating mechanisms for performing cyclic motions, an electronic controller for controlling cyclic motion at a needle mechanism includes electronic memory for storing a plural... | 07/14/1998 |
| 5776221 | Method for delivering a glass stream for forming charges of glass A method for delivering a glass stream having a first inner layer and a second outer layer, including a generally vertical orifice, and delivering glass from a second source such that the glass from the second source provides an outer layer about the glas... | 07/07/1998 |
| 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 |
| 5622541 | Glass feeders A basin for a forehearth of a glass-making furnace having an internal volume divided into upper and lower portions by an annular shoulder is described wherein the horizontal cross-sectional area of the upper portion is significantly greater than that of t... | 04/22/1997 |
| 4872897 | Bottom tap of a glass melting furnace and method of operating the same A bottom tap of a glass melting furnace comprises a tap brick with a tap hole in which glass is frozen when the tap is not in operation and seals the tap. A tap gate of refractory and non-oxidizing metal is urged against the tap brick underneath the tap h... | 10/10/1989 |
| 4865897 | Molded take-out tong inserts for handling hot glass articles This invention relates to rigid molded tong inserts for take-out tong members for handling hot glass articles and the like immediately following their molding. The inserts are utilized in pairs being heat and wear-resistant with exposed metallic working s... | 09/12/1989 |
| 4740401 | Forming laminated glass containers from a composite encapsulated gob of molten glass A glass bottle forming system is described in which a main glass melter is connected to a forehearth with a fairly conventional feeder provided at the delivery end of the forehearth. The feeder opening in the bottom of the forehearth is closed by a first ... | 04/26/1988 |
| 4738938 | Melting and vacuum refining of glass or the like and composition of sheet Method and apparatus are provided for refining glassy material or the like by vacuum. The material is first melted and then introduced into a vacuum chamber, preferably into space above liquid held in the chamber. Other aspects involve a two-step melting ... | 04/19/1988 |
| 4717412 | Stationary tube holder and revolving rotor assemby for a glass spout bowl A stationary tube holder and revolving rotor assembly which is to be used in conjunction with a glass spout bowl. The assembly includes a stationary tube holder assembly which has elongated horizontally extending arm for supporting a tube at one end and a... | 01/05/1988 |
| 4704153 | Vacuum refining of glassy materials with controlled foaming In the process for refining glass or the like by vacuum, the collapse of foam is expedited by heating the headspace within the vacuum chamber.... | 11/03/1987 |
| 4579572 | Method and apparatus for aligning a plunger assembly in a glass feeder One or more jigs or frameworks are provided at a location remote from the glass feeder so several different plunger assemblies can be made up for ready installation in the feeder. Each jig is made up with the help of an alignment tool having characteristi... | 04/01/1986 |
| 4554000 | Molten glass spout bowl refractory tube support mechanism and method of control A swing out support frame is provided on X-Y slide support structure such that one of several different diameter refractory tubes can be supported in a fixed spout bowl for rotation inside the bowl, and also for electrically controlled and non-electricall... | 11/19/1985 |
| 4551163 | Electronic glass feeder plunger operating mechanism A glass feeder plunger operating mechanism driven by an electric motor controlled by a programmable computer programmed to drive the motor in a predetermined manner in order to generate a predetermined motion profile of one or more glass feeder plungers. ... | 11/05/1985 |
| 4457771 | Forming laminated articles from a composite encapsulated charge of molten glass A method is set forth for forming laminated articles such as by pressing, blowing, and press and blow techniques, directly from a composite gob of molten glass having an inner core of one glass and an outer skin of a second glass. A charge of molten core ... | 07/03/1984 |
| 4426217 | Electric melting of solidified glass in melting units A method and apparatus for electrically melting solidified glass in difficult to reach regions of a glass melting furnace not readily accessible with fossil fuel heating means and, more particularly, to an electrode arrangement for electrically heating so... | 01/17/1984 |
| 4381932 | Laminated gob for pressing glass articles Method and apparatus is set forth for forming a laminated gob or charge of molten glass having a core glass which is not only completely surrounded by a skin glass but also has a reentrant portion of skin glass which projects inwardly within the core glas... | 05/03/1983 |
| 4305747 | Multiple gob glass feeder system and method of operation A molten glass feeder system and method of controlling the flow of glass through the feeder to deliver a plurality of uniform, molten glass gobs. The feeder has a heavy-walled bowl structure and a heavy-walled bottom transitional member mounted within the... | 12/15/1981 |
| 4253862 | Decorative air bubble formation in a glassware article A glass article such as a sham bottom tumbler with decorative air bubble encapsulated in its base is produced on existing automatic glass-forming machines by injecting a bubble of air into a charge of molten glass in the gob-forming section of a glass fur... | 03/03/1981 |
| 4244722 | Method for manufacturing thin and flexible ribbon of dielectric material having high dielectric constant A method for manufacturing a thin and flexible ribbon of dielectric material comprises heating a raw material mainly consisting of dielectric material which can form a crystalline structure in a solid state and of a glass former which is included by 0 to ... | 01/13/1981 |
| 4230476 | Apparatus and method for obtaining uniform gobs in a triple gob feeder An apparatus and method for use in a triple gob feeder of a glass forming apparatus for forming molten glass gobs of uniform size, weight, volume and shape by equalizing the temperatures of the molten glass flowing through orifices in a triple gob orifice... | 10/28/1980 |
| 4087268 | Method of delivering molten glass A gobbing member is operated wholly within the confines of a straight well portion of a glass delivery system, and completely submerged within the molten glass being delivered, such that the flow rate through the delivery orifice of such straight well is ... | 05/02/1978 |
| 4013439 | Gob forming apparatus The invention provides a linkage for transmitting axial reciprocating movement from one shaft to a parallel shaft and comprising a bar pivotally mounted at a fixed but adjustable position relative to the shafts, the bar being pivotally mounted at a fixed ... | 03/22/1977 |
