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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 |
| 7958747 | Method of manufacture of glass flasks with stem and apparatus for performing of this method The cake (7), fitted with the rough pressing (71) of the stem parison (61) is situated on the ring (8) where by the action of its own gravity, it streams off till the rough pressing (71) fits into the cavity (41) of the bott... | 06/14/2011 |
| 7328641 | Method and apparatus for cutting glass material To provide a method for cutting a glass material wherein the glass material can be certainly cut a glass gob having a uniform quality and a uniform temperature distribution, without being deformed or damaged. Upon cutting a glass material 20 discharged from a... | 02/12/2008 |
| 6499316 | Method of producing a glass gob, method of producing a glass molded product, and apparatus for producing a glass gob In a method of producing a glass gob by continuously dropping a molten glass 9 from a nozzle 2 in a dropping direction, a gas flow 20 is caused to continuously flow in the dropping direction along an outer peripheral surface of the nozzle 2 at a predeterm... | 12/31/2002 |
| 5917106 | Method and apparatus for introducing glass gobs into a glass container forming machine A gob of molten glass from a gob delivery system is introduced into a blank mold of a glass container forming machine of the individual section type by way loading funnel immediately upstream of an opening into the blank mold. The loading funnel has an up... | 06/29/1999 |
| 5322541 | Method of producing glass blank A method of producing a glass blank, comprising the steps of: supplying a desired weight of molten glass material to a bearer heated to a temperature of not more than a softening point of the glass material; performing and cancelling, at a temperature of ... | 06/21/1994 |
| 4816057 | Glass press forming machine The individual needles of a glass feeder mechanism which control the volume of the streams of molten glass sheared into discrete gobs are displaceable to adjust the size of the sheared gobs. The controller for the motor, which raises or lowers a stream, r... | 03/28/1989 |
| 4425148 | Device for the continuous production of glass bodies especially containing radioactive waste An apparatus for converting molten glass containing radioactive waste into molded pellets or spheres comprising means for generating a flowing stream of the molten glass and a rotating wheel disposed beneath the flowing stream. The wheel is preferably mou... | 01/10/1984 |
| 4402724 | Method and apparatus for discharging glass from a melting furnace A method and apparatus for periodically discharging batches of a glass melt from a ceramic glass melting furnace in which localized heating energy limitable in time is supplied to the glass melt by means of electrodes in the furnace, the furnace being pro... | 09/06/1983 |
| 4372771 | Methods and apparatus for extruding articles A fused silica glass tube (26) is extruded from a melt (21) in a chamber (11) pressurized with an inert gas. A shield is placed in close, spaced, relation to the melt (21) surface during the gas pressure extrusion process to substantially eliminate losses... | 02/08/1983 |
| 4283214 | Gob feed dial for dual glass base machine A method and apparatus for forming and delivering insulating glass in gob form to a lamp base making machine from a continuous stream of molten glass. A rotating dial severs the glass stream into uniform gobs and during rotation forms the gobs into a ball... | 08/11/1981 |
| 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 |
| 4249927 | Method and apparatus for manufacturing glass products by controlling free flow of low viscosity molten glass According to the first method according to the present invention, there is provided a method for manufacturing glass products by casting low viscosity glass into a mould while controlling free flow of the glass by storing and holding the glass continuousl... | 02/10/1981 |
| 4066428 | Method of applying vacuum while constricting the neck portion Molding of hollow glass articles wherein a gob flows from a feeder into a mold and forms a hollow tube as it enters the mold, and a pressure differential is applied across the tube so that the tube is shaped in the mold to form the hollow article. During ... | 01/03/1978 |
| 3967947 | Method of making a hollow glass article Molding of hollow glass articles wherein a gob flows from a feeder into a mold and forms a hollow tube as it enters the mold, and a pressure differential is applied across the tube so that the tube is shaped in the mold to form the hollow article. During ... | 07/06/1976 |
