Glam girl Heddy Lamar may have used her good looks to good effect on the silver screen, but she put her smarts to better use as an inventor. During World War II, she co-patented a frequency-switching system for torpedo guidance that was considered years ahead of its time.
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| Number | Title | Issue Date |
| 6996966 | Blocking device of the unwinding of threads from the feeding bobbins of a double-torque twister Blocking device of the unwinding of the threads from the feeding bobbins of a twisting spindle with superimposed bobbins inserted on their hollow pin, in which the threads are blocked with mechanical interceptors brought into their unwinding range at the entrance of... | 02/14/2006 |
| 6718748 | Yarn covering apparatus and method A method of covering a core yam with a cover yarn characterised in that it includes supplying a package of core yam on a member which is fixed against rotation, supplying a package of cover yam, guiding the cover yarn to form a loop which on rotation about an axis d... | 04/13/2004 |
| 6295798 | Method and apparatus for manufacturing steel card The present invention relates to a method and an apparatus for manufacturing a steel cord. A method according to the present invention comprises the steps of: combining a plurality of the steel filaments supplied from the bobbin by means of the guide roll... | 10/02/2001 |
| 5727375 | Method and apparatus for stranding elongated elements into reversely twisted strand Apparatus for stranding elongated elements into a bundle of reversely twisted strand sections includes a rotating accumulator drum, a rotating winding flyer at the first end of the drum, and a rotating unwinding flyer at the second end of the drum. A guid... | 03/17/1998 |
| 4604862 | Manufacture of telecommunications cable cores A core unit and method and apparatus for making it in which conductor pairs or units having a single direction of twist and in which angles of twist lay change along lengths of the conductor pairs. In a preferred and practical construction, the angles of ... | 08/12/1986 |
| 4590754 | Forming cable core units Making a cable core unit in which pairs of twisted conductors are formed upon individual twisting machines, the twisted conductor pairs then fed `in-line` to a core forming device by passing the pairs through a tension reducing means which reduces tension... | 05/27/1986 |
| 4570428 | Twin track buncher An "outside-in" double twist bow buncher includes a cradle which supports two wire receiving bobbins. Wire guides are provided at both axial ends of the machine for receiving and guiding two separate groups of wires and, with a traverse mechanism, laying ... | 02/18/1986 |
| 4437297 | Apparatus for producing metallic cords in layers Apparatus for producing metallic cords having layers of wires twisted around a wire core, with great efficiency and low costs, of the outer collection kind, comprises two double-twist cabling machines in series, mutually co-axial and joined together in su... | 03/20/1984 |
| 4300339 | System for stranding and cabling elongate filaments A system for stranding and cabling elongate filaments in a single operation wherein a plurality of modules are adapted for end-to-end alignment and each module includes a carriage supporting a plurality of supply reels from which elongate filaments are dr... | 11/17/1981 |
| 4262479 | Multitwist spindle A multitwist spindle for processing of fibers and yarn by twisting and combining materials from at least two countershafts with equal or different heights of twist while simultaneously forming a left and right twist or a single direction combined twist. T... | 04/21/1981 |
| 4141205 | Stranding process and apparatus A stranding process for producing a cable made up of multiple groups of plied filaments being fed from linear feed positions located along a common twisting axis, said process including steps wherein at least one of the groups is plied and twisted accordi... | 02/27/1979 |