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| Number | Title | Issue Date |
| 4270227 | Articles incorporating air vents Air vent particularly suited for incorporation in rainwear comprising a base portion having a hole therein; and an elongate member secured to the base portion, the elongate member having a passage therethrough in communication with the hole, at least a po... | 06/02/1981 |
| 4270228 | Hand cover There is disclosed a hand cover such as a glove or mitten having at least a portion of its frontal surface bearing an outwardly exposed thin pad of reticulated plastic foam. Reticulated plastic foam is a non-capillary, open skeletal fibrous structure that... | 06/02/1981 |
| 4270229 | Method of surface ornamented cap A method of producing a cap having a plurality of tapered panels and surface ornamented so as to have the appearance of a three dimensional object. Photographs of side views of the object are taken from a plurality of positions spaced at equal angles arou... | 06/02/1981 |
| 4270230 | Intraocular lens The invention contemplates improved intraocular-lens structures for use as implants in ophthalmological surgery, the lens being a replacement for a cataract-clouded natural lens, and the replacement being installed in the pupil at the iris as the operativ... | 06/02/1981 |
| 4270231 | Portable male urinal with drain means A portable male urinal for use by bed-ridden patients is shown furnished with a drain hose to empty the contents of the urinal by gravity into a lower collection bag or receptacle. The end wall of the urinal has a recessed wall portion that supports a dra... | 06/02/1981 |
| 4270232 | Thermal pool cover This invention is a unique cover for swimming pools or the like manufactured in easily handleable small segments which fit together on matching sides when floated upon water and as particularly characterized by utilizing a heat retaining material on the s... | 06/02/1981 |
| 4270233 | Obstetric bed An obstetric bed comprising a base and a support structure on top of the base for supporting a patient. The support structure has a body section secured to the base in a generally horizontal position, a head section pivoted to the head end of the body sec... | 06/02/1981 |
| 4270234 | Net-type beds A net-type bed comprises a flexible web slung between two parallel shafts on to which the ends of the web are wound. The shafts can be turned individually by means of handles and the bed has a self-contained support frame which is of collapsible tubular c... | 06/02/1981 |
| 4270235 | Arm support pillow A support device for the arms of convalescent patients for providing comfort and stability and for preventing circulation problems includes an inclined cushion provided with ridges on either side to prevent the arm from falling off and an angled shape to ... | 06/02/1981 |
| 4270236 | Process for the dyeing of fibre material An improved process for dyeing of diverse fibre material, especially textile fibres, by applying to the fibre material at a temperature below the absorption temperature of the dyestuffs a concentrated aqueous dye liquor and with a goods to liquor ratio of... | 06/02/1981 |
| 4270237 | Portable apparatus for assembling nuts and washers on threaded studs A portable tool is provided to assemble washers (13) and nuts (14) on threaded studs (10) extending from a frame member (11,12). Pneumatically operated pushers (43,54) advance a polygonal-shaped nut and a round washer into a polygonal-shaped chamber (24) ... | 06/02/1981 |
| 4270238 | Cleaning tool The improved cleaning tool disclosed herein is particularly designed for cleaning walls and ceilings. The tool includes a novel block assembly that is mounted on an end of a wand adapted to be held and manipulated by the person doing the cleaning and that... | 06/02/1981 |
| 4270239 | Interlock support structure A baby carriage handle support, including rotatable arms which fix the handle in upright position when the arms are aligned, uses an interlock which slides along the first arm until the second arm is inserted to the interlock support structure. The interl... | 06/02/1981 |
| 4270240 | Hinge cup for furniture hinges A metallic cup shaped insert is anchored within a plastic anchoring piece. The anchoring piece is pressed or hammered into an opening in a furniture panel and, hooking anchoring ribs retain the insert and anchoring part in position in the furniture panel.... | 06/02/1981 |
| 4270241 | Process for slaughtering of animals by bleeding A method for the slaughtering of animals by bleeding in which the animal is first stunned, the method comprising making an incision in said animal to expose the anterior wall of the thorax of the animal, inserting a cannulating device through said incisio... | 06/02/1981 |
| 4270242 | Apparatus for automatic evisceration of killed poultry An apparatus for automatic evisceration of killed poultry is disclosed and comprising a substantially horizontal supporting plate adapted to receive an animal lying on its back in a predetermined position in relation to the supporting plate, by providing ... | 06/02/1981 |
| 4270243 | Poultry breast splitting apparatus Apparatus for splitting in half the breast of a poultry carcass comprising an elongated feed bar on which the carcass can be impaled to have the bar extending through the chicken immediately below the backbone and above the soft breastbone. A cutting blad... | 06/02/1981 |
| 4270244 | Method and apparatus for macerating meat A method for macerating meat in which a pair of contra-rotating shafts each serve to mount a plurality of slotted discs with blunted peripheral edges, spaced apart by crushers which engage and compact pieces of meat intruded between the shafts while discs... | 06/02/1981 |
| 4270245 | Lag or stave assembly for Kirschner beaters A lag or stave assembly for a Kirschner beater which replaces the traditional one-piece wooden lags and is preferably formed from extruded aluminium. The lag assembly is formed in two parts with a first support part which is preferably channel-shaped and ... | 06/02/1981 |
| 4270246 | Carding flat arrangement A carding flat arrangement for cards in which lateral end head sections are guided along sliding guide members. The center section is made of a material of low specific gravity, and the end head section can be pressed against the sliding guide. The end he... | 06/02/1981 |
| 4270247 | Clasp There is disclosed an improved clasp formed by a clasp bar including a pair of clasp arms extending outwardly from a central junction point, each of the clasp arms terminating in an outer end, the opposed outer ends being provided with cooperating lock me... | 06/02/1981 |
| 4270248 | Slide fastener with bottom stop An improved slide fastener assembly incorporating an arrangement in which the stringer tapes of the fastener may be sewn into a garment prior to assembly with the slider and wherein the slider may then be assembled to the stringers without force. Upon suc... | 06/02/1981 |
| 4270249 | Clasp for a bracelet or the like A detachable clasp or lock for a bracelet, or the like, includes a receiver having a free end hook, a loop for removable engagement in the hook, a pair of inner and outer covers hinged to the receiver for swinging movement relative thereto and having catc... | 06/02/1981 |
| 4270250 | Clamping ring for tubular members An improved clamp for hoses and other tubular members includes two rigid clamping members having semi-circular recesses, one or more annular wedge-shaped grooves in the recesses, and fasteners. An elastomeric insert, or a pair of inserts, has one or more ... | 06/02/1981 |
| 4270251 | Muffler clamp and method of making same A saddle member for a saddle clamp is generally U-shaped in cross section. Generally parallel side walls are spaced apart and have arcuate free ends. A base extends between the side walls opposite the free ends, and end walls extend between the side margi... | 06/02/1981 |
| 4270252 | Apparatus to count and control crimps in a moving tow of yarn Apparatus is disclosed to count and control crimps in a moving tow of yarn. The apparatus comprises a target (the tow of yarn), a stroboscopic light, condenser lens, mirror, transparent support for the target, focusing lens, diode array to sense variation... | 06/02/1981 |
| 4270253 | Apparatus for simultaneous machining of a stack of plate-like workpieces There is disclosed a method and apparatus for the simultaneous machining of a stack of plate-like workpieces wherein the individual workpieces of the stack are initially assembled into a stack which is held in a manner which will not interfere with the su... | 06/02/1981 |
| 4270254 | Method for making grooved rollers for dehydrating runs of materials This invention relates to a method for manufacturing a grooved roller where the grooving is continuous and extends from one rim of the roller to the other, which comprises cutting a groove of slight side angle and in the form of a thread on the periphery ... | 06/02/1981 |
| 4270255 | Method of manufacturing a swash plate assembly An improved method of manufacturing a swash plate assembly for use in a compressor, fluid motor or similar device in which a plurality of pistons are connected, by means of connecting rods, to a swash plate which drives (or is driven by) the pistons. A pl... | 06/02/1981 |
| 4270256 | Manufacture of composite turbine rotors A method for manufacturing a turbine rotor assembly from dissimilar materials to produce a hybrid composite rotor including the steps of: preforming a hub disc of a controlled outer diameter and prefabricating a ring of airfoils including a machine slotte... | 06/02/1981 |
| 4270257 | Method for manufacturing a fuel injection valve There is disclosed a fuel injection valve for internal combustion engines, which is used in combination with a fuel injection device for intermittent injection of fuel and which comprises a main body having a passageway extending between a fuel inlet and ... | 06/02/1981 |
| 4270258 | Method of retubing a steam generator A method of rapidly retubing a steam generator while it is vertically oriented in a containment vessel and keeping the level of radiation to which workmen are subjected at a minimal level.... | 06/02/1981 |
| 4270259 | Method and apparatus for rebuilding advance weights Method and apparatus for rebuilding advance weights of a distributor assembly. The apparatus includes a drilling fixture having a hole and a weight-engaging balance pin positioned to one side of the hole, and a stepped pin having a large diameter shank ac... | 06/02/1981 |
| 4270260 | Method for the salvage and restoration of integrated circuits from a substrate Components such as IC's mounted on a substrate such as a PCB are removed from the PCB in a heating apparatus. The heating apparatus has a mounting frame which positions the PCB above an array of infra red heating sources. The method includes the steps of ... | 06/02/1981 |
| 4270261 | Method of forming fixing heads on tension springs and tension springs manufactured by this method A method of forming fixing heads on both ends of tension springs which are made from coiled spring wire, in particular for precision apparatus. A continuous coil of spring wire is expanded over at least two turns at the area of the ends to be formed. The ... | 06/02/1981 |
| 4270262 | Semiconductor device and process for making the same A first semiconductor circuit element including a first electrode is formed on a semiconductor substrate, an inter-layer insulating layer for insulating the first electrode is formed on the first electrode, and a first penetrating opening is provided in a... | 06/02/1981 |
| 4270263 | Glass support light energy converter Semiconductor particles are distributed in a single level layer orientation in a glass sheet with portions of each particle exposed at both surfaces of the sheet. A metal layer on one surface of the sheet is in ohmic contact with the body of each particle... | 06/02/1981 |
| 4270264 | Method for establishing an electrical contact between a normally conducting contact element and at least one superconductor A method for establishing an electrical contact between a normally conducting contact body and the end section of a superconductor annealed in situ, prior to the anneal in which the corresponding end section of the intermediate conductor product is placed... | 06/02/1981 |
| 4270265 | Method of manufacturing hybrid integrated circuit assemblies Electronic components and a conductor for connecting the electronic components are placed in the component positioning holes and the conductor positioning recess which are formed in a plate-shaped jig. The jig with the components and the conductor is plac... | 06/02/1981 |
| 4270266 | Method of making a dielectric containing material for RF suppression A novel distributor rotor electrode material is provided and a method for making it. A mixture comprised of at least half copper oxide and a minor portion of silica or silica and alumina is fused to form a friable glassy material. The copper oxide of the ... | 06/02/1981 |
