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 |
| 7065998 | Control element adapted to prevent an external-flange angle iron from being twisted during its bending A control element (1) adapted to prevent an external-flange angle iron from being twisted during its bending is applied to a variable-radius bending machine, on which an angle iron (10) is worked by deformation by at least two couples of lower co-axial... | 06/27/2006 |
| 7040127 | Method and device for forming a pipe A method and a device are proposed which accurately and efficiently form a pipe with a bending machine only, without using any correcting devices. A plate having holes is fed into a bending machine in which under an upper roll, lower rolls parallel thereto are arran... | 05/09/2006 |
| 7017268 | Seal reforming method and apparatus The present invention relates generally to a method and apparatus for temporarily reforming or deforming the lip portion of a resinous seal so that the seal may be readily installed in an intended application. The invention includes a method and apparatus that inclu... | 03/28/2006 |
| 6898955 | Method for manufacturing a pontoon A pontoon including a substantially cylindrical member having a length in excess of about 14 feet and having no external circumferential welds intermediate the ends of the member and being substantially linear along its length axis. ... | 05/31/2005 |
| 6874233 | Methods and systems for the continuous in-line coating and fabrication of hoop steel rebar for concrete structures Methods and systems are provided for the continuous coating and fabrication of spiraled steel rebar product for concrete structures. Specifically, methods and systems are provided by which linear uncoated rebar is supplied to a polymeric (preferably, epoxy) powder-c... | 04/05/2005 |
| 6691414 | Method and system for coating and fabricating spiral rebar Methods and systems are provided for the continuous coating and fabrication of spiraled steel rebar product for concrete structures. Specifically, methods and systems are provided by which linear uncoated rebar is supplied to a polymeric (preferably, epox... | 02/17/2004 |
| 6339946 | Pipe forming apparatus and method In a pipe forming process using bending rolls, load applied to an upper roll is reduced to suppress the deflection of the upper roll, thereby suppressing creation of large end gap at the longitudinal center of the pipe, thus enabling production of high-st... | 01/22/2002 |
| 6237386 | Progressive wire forming system A process for progressive wire formation is disclosed, comprising rotating a primary roller having a circumferential forming groove configured to receive a wire to be formed. A first stage roller having a circumferential forming groove configured to recei... | 05/29/2001 |
| 5916319 | Method to cold-bend resin-coated ribbed steel pipes A resin-coated ribbed steel pipe that is provided with an axially extending rib that is made from the same material as the coating and forms a hold groove is fed forward and bent along with the rotation of a shaping roller that is provided with an accommo... | 06/29/1999 |
| 5632174 | Metal bending machine A metal bending machine comprising a lower pinchroller composed of modular interchangeable segments, and upper pinchroller composed of modular interchangeable segments, and a radius roller composed of modular interchangeable segments, the lower pinchrolle... | 05/27/1997 |
| 5450739 | Needle curver with automatic feed An apparatus for forming curved surgical needles is provided which includes a needle curving system for imparting an arcuate profile to sequentially presented needle blanks and a rotating system for pressing the needle blank against the curving system. Th... | 09/19/1995 |
| 5388441 | Needle curver with automatic feed An apparatus for forming curved surgical needles is provided which includes a needle curving system for imparting an arcuate profile to sequentially presented needle blanks and a rotating system for pressing the needle blank against the curving system. Th... | 02/14/1995 |
| 5097692 | Bending apparatus An apparatus method for bending channel cross-section strip or panel material in which the material is passed between an infeed roller set 10, 16, 18, an intermediate roller set 12, 20, 22 and an outfeed roller set 14, 24, 26. At least one of the rollers ... | 03/24/1992 |
| 5007269 | Wire bending device A device for bending metal wire or strips particularly adapted for arts and crafts creations in which a wire receiving gap is formed between a eccentrically driven forming pin and longitudinally and laterally separated guide pins disposed in relationship ... | 04/16/1991 |
| 4723431 | Method for manufacturing formed metal The invention is a method and apparatus, and resultant product, for altering the form of material comprising the steps of synchronously driving a plurality of forming wheels, the forming wheels grooved to a radial depth of predetermined amount; spatially ... | 02/09/1988 |
| 4653301 | Bending machine for pipes, sections and similar The bending machine comprises two pairs of parallel feed rollers between which the pipe is fed in a given first direction, and a slide moving in a second direction perpendicular to the first and having a pair of bend rollers turning on it in idle manner; ... | 03/31/1987 |
| 4619131 | Method for bending sheets In a process of bending sheet metal elements having a sectional shape which is continuous in one direction, longitudinal beads are formed or existing beads are enlarged in the sheet element as it is bent at least in the region in which the bending results... | 10/28/1986 |
| 4615199 | Strip bending A strip metal bending machine for bending formed strip material having for example an "I" section or a "U" section, said machine comprising a plurality of rolls arranged to act on the strip along a roll path so as to bend the strip, a first roll being pro... | 10/07/1986 |
| 4598565 | Seal strip bending device for steam turbines A seal strip bending device for changing the diameter of seal strips used for pressure sealing strips of a steam turbine. The seal strips have a substantially L-shaped cross-section. The device includes a frame which houses a first roller having a first g... | 07/08/1986 |
| 4530226 | Sweep-forming apparatus An apparatus and associated method is disclosed for introducing a curvature or sweep into a preferably previously-formed elongated article. The elongated article is substantially constrained, both laterally and transversely, as it moves longitudinally thr... | 07/23/1985 |
| 4432123 | Process for the manufacture of double walled pipe The invention relates to a process for the manufacture of a rigid, essentially elbow-shaped coaxial double pipe with a hollow space between inner and outer pipes, consisting of an elbow-shaped cold-bent high-pressure pipe for operating pressures of over 1... | 02/21/1984 |
| 4367640 | Apparatus for forming sheet metal duct work Apparatus is provided for forming sheet metal ducts of varying conical configuration from pre-cut blanks having a baseline and element lines thereon. The apparatus comprises a frame supporting independent axially aligned feed rolls. Each roll is power dri... | 01/11/1983 |
| 4335758 | Apparatus for advancing and forming a wire This invention relates to an apparatus for advancing a strand of wire a specific and predetermined distance. The apparatus can be used in conjunction with a cutting device alone, or with a forming device to also produce articles of desired shapes. An addi... | 06/22/1982 |
| 4056962 | Rolling machine assembly A rolling machine assembly for use in a press brake formed of an upper roll subassembly including an upper roll and an upper base and a lower roll subassembly including a pair of lower rolls and a lower base, the bases being detachably secured to the ram ... | 11/08/1977 |
| 4008595 | Method and apparatus for arcuately bending and rolling an elongated metallic workpiece An elongated workpiece is passed along an arcuate path defined by a pair of end rollers flanking a middle roller. At least one of the rollers is formed with a workpiece-receiving groove having flanks at least one of which has a milling formation for remov... | 02/22/1977 |
| 3994656 | Apparatus for forming tubular pipe covering sections Apparatus and methods for forming generally tubular pipe covering sections with overlapping edge portions from a sheet of elastomeric material. For relatively thin material thicknesses the material is rolled on a male mandrel to provide a plurality of spi... | 11/30/1976 |