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 |
| 4516491 | Roll cross-axis mechanism A cross axis roll adjusting mechanism including anti-friction bearing units arranged between a roll journal box and operating devices in a support frame to permit easy cross axis adjustment of a roll as well as a friction floating movement of the adjusted... | 05/14/1985 |
| 4514161 | Hydraulic roll protection system A hydraulic roll protection system in which positioning of an adjustable roll relative to a fixed roll is caused by adjusting screws acting on movable journal boxes through a pressurized piston cylinder device. A relief valve between a hand pump and the c... | 04/30/1985 |
| 4510823 | Drive for shell type rolls A drive for a variable crown shell roll in which a driven pinion provides rotary motion to the shell roll through the teeth of a first ring gear which is loosely mounted so as to be rockable about the pinion to accommodate deflection of a second ring gear... | 04/16/1985 |
| 4506727 | Converted temperature control roll A method for converting and a converted cored roll having temperature control means including a central tube isolating the roll core, passages extending lengthwise of the roll in a circular pattern in the annular area between the core and the roll working... | 03/26/1985 |
| 4506424 | Automated railroad bearing handling machine A machine for removing and installing bearings on the ends of wheel sets including a gage for measuring wheel size and for aligning the wheel sets with bearing removing or installing devices according to wheel size and for transporting the bearings automa... | 03/26/1985 |
| 4491417 | Devolatilizing mixing extruder An extruder including a devolatilizing section having helical channels formed in the barrel and having a cylindrical rotor closing the inner sides of the channels. Material is fed onto the rotor surface which rotates and forms the material into one or mor... | 01/01/1985 |
| 4487339 | Method of and apparatus for storing and dispensing a mixture of particulate materials Mixtures of particulate material of widely different particulate sizes segregate on storage, smaller particles falling to the bottom. In the invention mixture is supplied to a bunker in a plurality of layers and subsequently withdrawn so that mixture is t... | 12/11/1984 |
| 4459726 | Temperature control for shell type rolls Temperature control means for a deflectable shell roll having lengthwise passages and being mounted for rotation on a fixed beam received in the inner race of a triple race bearing. The middle race of the bearing rotates with the shell roll and provides c... | 07/17/1984 |
| 4447962 | Adjustable bore target and gage A device having four engagement points movable along a bore and provided with an optical target or gage adjustable in cross directions normal to the bore axis and a probe mounted for rotation on the gage and engageable with the cylindrical surface of the ... | 05/15/1984 |
| 4431105 | Material feed unit for an injection molding machine A plunger feed system for feeding stiff or thickened material into the injection unit barrel of an injection molding machine, minimizing the feed path of the material, to minimize the degradation of the fibers in the material. The system comprises a pair ... | 02/14/1984 |
| 4420920 | Cored plastics profiles and manufacture of frames for windows and the like therefrom This invention is concerned with cored extruded plastics profiles, suitable for use in the manufacture of frames for windows and the like, comprising a core of shape-retaining material and a cladding of plastics material extruded therearound. The inventio... | 12/20/1983 |
| 4416138 | Extrusion press die change assembly An extrusion press having a die slide assembly capable of shearing the extrusion in the die, and transporting the die to a side movable transfer table for change thereof, the assembly eliminating excessive projection beyond the confines of the extrusion p... | 11/22/1983 |
| 4408507 | Machine tool indexing mechanism A mechanism for successively presenting new edges of a tool for application against a rotating member being machined. The tool has an annular edge which is forced against a rotating member, by emplacement in the distal end of a movable arm. The arm has a ... | 10/11/1983 |
| 4406067 | Centerfinding machine A gage for locating the center of circular workpieces including a primary probe engageable with the periphery of a workpiece along a radial plane, a secondary probe spaced from the primary probe and swingable about a pivot axis coaxial with the engagement... | 09/27/1983 |
| 4397630 | Apparatus for loading and injection unit of an injection molding machine An arrangement for loading an injection unit of an injection molding machine by a stuffer apparatus wherein a uniform measure of plastic-like material is consecutively fed to the machine. The arrangement comprises a plurality of container units which are ... | 08/09/1983 |
| 4372736 | Adjustable roller head extrusion die A roller head securable to the discharge end of an extrusion machine, wherein the roller head has a pair of rollers each rotatable between a pair of arms pivotable about an axis transverse to the extrusion machine. Each roller is movable with respect to t... | 02/08/1983 |
| 4364158 | Roll bending apparatus An arrangement for bending of a roll in a calender roll machine, to produce a crown in the roll, while minimizing any increased or decreased load on the bearing thereduring. The roll bending arrangement includes a sleeve assembly on each end thereof, whic... | 12/21/1982 |
| 4363246 | Multi worm-rack apparatus A carriage drive system for a metal working machine wherein the carriage supports the metal working tool. The carriage drive comprises a worm gear rotatably engaged with a rack arrangement, driven by a motor and gear box on the carriage. The rack arrangem... | 12/14/1982 |
| 4363490 | Crown roll seal arrangement sealed by lubricating oil in labyrinth A non-contact seal for the ends of a variable crown calender roll shaft subject to variations in shaft alignment. The seal is a labyrinthian type with a suction system adapted to a sump to recycle the oil. The oil level is maintained and contact between t... | 12/14/1982 |
| 4348952 | Cross axis mechanism A mechanism for inducing a crossing of one axis of a roll with respect to the axis of a second roll on a calender roll machine, to correct for varying amounts of roll deflection under varying operating loads. The mechanism includes a pair of biased levers... | 09/14/1982 |
| 4331040 | Anti-backlash gearing A gear system adapted to eliminate backlash between a set of reversible gears. The gears are also arranged to perform without backlash when their center distances are changed. One gear of the double helical type fixed to a first shaft is in engagement wit... | 05/25/1982 |
| 4290742 | Adjustable pelletizing apparatus Adjusting means for aligning the cutting plane of the knives and the surface of a perforated die plate of pelletizing apparatus including a ring having a wedge cross section adjustable between the mountings for the plate and the knives to vary the angular... | 09/22/1981 |
| 4289319 | Rotary seal construction and processor A seal construction and rotary processor including the seal construction in which the seal includes nested truncated conical members of thin stiffly-resilient material interposed between relatively rotatable coaxial surfaces with inner edge portions of th... | 09/15/1981 |
| 4268553 | Method for double glazing units An improved method for preparing multi-pane glazing units using a two-part adhesive system and improved glazing units prepared by the method.... | 05/19/1981 |
| 4267425 | Stud welding apparatus A stud welding apparatus is provided wherein loading of the studs to the gun is automatically accomplished. The gun is capable of detecting stud supply as well as gun position to perform the welding operation in a reliable and efficient manner.... | 05/12/1981 |
| 4267426 | Automatic stud welding gun with perforated stud collet A stud welding gun wherein air pressure is employed to feed a stud into a collet which holds the stud against a work piece is provided with a collet held in a guide bushing and having a plurality of openings at a position wherein air used to feed the stud... | 05/12/1981 |
| 4263419 | Adhesive composition An adhesive composition formed by combining two parts capable of causing polymerization to form adhesive bonds rapidly. One part comprises polymerizable vinyl monomer, selected chloro-sulphonated polyethylenes or mixtures of sulphonyl chlorides and chlori... | 04/21/1981 |
| 4259591 | Area measuring machine Wheel type electronic sheet material area measuring machine has means arranged to emit a test start signal, which may be manually operated or automatically operated at a particular stage in the machine cycle, and test means actuated by the signal which ca... | 03/31/1981 |
| 4259590 | Area measuring machine Electronic wheel-type area measuring machine has manual or automatic operating means, arranged to emit, at a predetermined point in the machine cycle, a test start signal, the operating means includes test means, which upon receipt of the test start signa... | 03/31/1981 |
| 4256968 | Area measuring machine Wheel type electronic sheet material area measuring machine comprises means for emitting a test start signal, operated either manually or automatically at a particular point in the machine cycle, and test means actuated by the test start signal to cause m... | 03/17/1981 |
| 4256448 | Roller die A roller die apparatus includes a pair of cylinder rolls which are rotatably and obliquely yieldably mounted on a frame disposed on the output end of a plastic extruding machine. The rolls are biasedly restrained in the frame to permit the obtusely direct... | 03/17/1981 |
| 4255059 | Processing element Improved means for aligning processing members at various positions in processing passages of rotary processors. Essentially, the alignment means (or alignment elements) comprise a non-rotatable member positioned in the processing passage and shaped to at... | 03/10/1981 |
| 4249692 | Horn for can body soldering A more versatile and improved mechanism is provided for internally maintaining can side seams uniformly aligned, for instance as they advance from a forming horn for registration with a molten solder jet or equivalent applicator. In a preferred form an el... | 02/10/1981 |
| 4249320 | Machine for stiffening and forming sheet material A machine for stiffening and forming a selected area of flexible sheet material, for instance an end portion of a shoe upper, comprises work support mechanism including a universal female preformer having work-accommodating dihedral surfaces, an applicato... | 02/10/1981 |
| 4249279 | Shoe backpart molding machine An outer molding band for a shoe upper backpart portion molding machine comprises two support portions, each carrying a block of relatively hard rubber, each block in turn carrying a molding cushion which is shaped to the shape of an inner mold. A cover, ... | 02/10/1981 |
| 4246673 | Band for operating on shoes A flexible band for wrapping about a shoe contour. The band comprises an inner and an outer steel band with a resilient insert arranged therebetween. The inner and outer bands each comprise a toe portion and two side portions. The portions of the inner ba... | 01/27/1981 |
| 4242939 | Blind fastener A plastics pull-type blind fastener has a pull-part with a pulling stem and legs which pass through holes in a workpiece, shoulders of the legs engaging the workpiece at the blind side, and a push-part with a head to engage the workpiece at the accessible... | 01/06/1981 |
| 4240172 | Shoe upper conforming machine A shoe pulling and lasting machine having an arrangement of side grippers which are each provided with a tensioning device by which an operator can vary the tension in the upper of the shoe being lasted. Each tensioning device is operated through a wedgin... | 12/23/1980 |
| 4232418 | Machine for stiffening and forming sheet material A machine for stiffening and forming a selected area of flexible sheet material, for instance an end portion of a shoe upper, comprises work support mechanism including a universal female preformer having work-accommodating dihedral surfaces, an applicato... | 11/11/1980 |
| 4229888 | Fastener suitable for attaching a heel to a shoe The invention concerns a fastener suitable for use in attaching a plastic heel to a shoe. The fastener comprises a generally flat head portion and at least three shank portions extending from the head portion. Each shank portion has at least one aperture ... | 10/28/1980 |