Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 7367931 | Laser cutoff stacker assembly The present invention contemplates a machine and method for performing the laser sealing and laser cutting of flexible material into segments, such as a polymeric web in which the segments will ultimately be individual bags. The machine includes a generally cylindri... | 05/06/2008 |
| 7214173 | Laser for forming bags from a web of material A fastener includes first and second tracks. The first track includes a first profile, and the second track includes a second profile for interlocking with the first profile. The fastener extends between opposing ends. The first and second profiles at each of the op... | 05/08/2007 |
| 5714033 | Heat-sealing device for liquid-filled tube A heat-sealing device for liquid-filled tubes has a pair of openable pressing members 23, 24. One of the pressing members, 23, is provided in a pressing face 31 thereof with upper and lower two pressing pads 34, 35 extending in parallel to each other for ... | 02/03/1998 |
| 5645671 | Method for manufacturing composite pads Disclosed is a method for manufacturing a composite pad from stock made of a relatively thin, sheet-like first layer, a relatively thin, sheet-like second layer and a relatively thick layer of an elastic, cushioning material sandwiched between the two. Th... | 07/08/1997 |
| 5575880 | Method for stamping heat-sensitive sheets A method for forming an item by partially fusing selected portions of two sheets together. A non-heat-sensitive barrier sheet is inserted between two heat-sensitive sheets. The sheets are stamped with a die to fuse portions of the heat-sensitive sheets to... | 11/19/1996 |
| 5213649 | Apparatus for receiving and cutting a continuous web An apparatus and method for cross-cutting a traveling web of material, such as paper, while winding the traveling web into successive rolls of a specified diameter includes a laser, a pair of spaced adhesive applicators and energy means for activating the... | 05/25/1993 |
| 5055155 | Method and apparatus for laminating flexible magnetic strips onto flexible plastic substrates A method and apparatus for laminating flexible magnetic segments onto the plastic substrates, such as during the in-line production of shower curtains and/or curtain liners. The apparatus, which is configured for use with typical shower curtain and/or sho... | 10/08/1991 |
| 4978055 | Reinforced pocket structure for thermo-adhesive materials A reinforcing weld structure for thermo-adhesive sheets joined by high frequency welding methods. The invention is particularly concerned with a photo finisher wallet fabricated of flexible thermoplastic sheet material and including the reinforcing weld o... | 12/18/1990 |
| 4960479 | Method for manufacturing an automobile sunvisor The present invention provides a method for manufacturing an automobile sunvisor, wherein a pair of overcoatings for the sunvisor, the rear surface of which is respectively covered with a layer of thermoplastic resin, is pressure-welded between an upper e... | 10/02/1990 |
| 4743328 | Method and apparatus for manufacturing a cushioning member A method and an apparatus for wrapping a cushioning member, particularly a sun visor, with a web of wrapping material formed from two blanks, in which one blank is placed on one main surface of the cushioning member and the second blank is placed on its o... | 05/10/1988 |
| 4420356 | Flotation mattress and method A flotation mattress and a method for making same. The mattress is comprised of flexible, liquid-impermeable material sealed to form a liquid impermeable envelope. One or more damping chambers are disposed within the mattress which damping chambers have m... | 12/13/1983 |
| 4380484 | Inductively heated tooling and method for working plastic members A plastic heating tool unit is provided for cutting, sealing and like working of a relatively thin or film-like plastic element. The tool unit may function to sever a plastic element from a web and create firm thermal attachment thereof to another member.... | 04/19/1983 |
| 3993529 | Apparatus for treating plastic loads A die assembly incorporating a resilient die face and/or backing for sealing and/or patterning or texturing plastic and other like material through the use of RF heating. The die face contains all of the texturing, embossing, printing and the like of the ... | 11/23/1976 |
