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A sealed crustless sandwich for providing a convenient sandwich without an outer crust which can be stored for long periods of time without a central filling from leaking outwardly.
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| Number | Title | Issue Date |
| 4223407 | Hairdressing protective visor A visor for protecting a user's face from exposure to hairdressing preparations, such as shampoo, during hairdressing operations. The visor includes a fluid-tight extending across the person's forehead from one ear to the other, a trough attached to the f... | 09/23/1980 |
| 4223408 | Athletic briefs Athletic shorts are arranged with front and back panels cut in a peculiar pattern and joined to a pair of briefs by an elastic waistband with the front panel overlapping a portion of the back panel so as to relieve tension of the shorts on the rectus femu... | 09/23/1980 |
| 4223409 | Helmet provided with shockproof and ventilative device This invention relates to a helmet provided with shockproof and ventilative devices, the helmet being encircled with a plurality of plastic strips along its outer wall, and a plurality of corresponding plastic or rubber tubes along its inner wall, the upp... | 09/23/1980 |
| 4223410 | Tiltable visor for helmets, in particular motorcyclists helmets and similar This invention concerns a tiltable shield or visor C for helmets and the like, which is hinged to the imbedded walls A2 of the helmet by means of articulated members B which, beyond permitting a swinging motion of the shield or visor, allow also a straigh... | 09/23/1980 |
| 4223411 | Internal laryngeal prosthesis An internally worn laryngeal prosthesis for laryngectomized patients is described. The prosthesis is worn internally at the end of a surgically constructed fistula leading to the base of the patient's vocal tract. Exhaled air powers a miniature vibratory ... | 09/23/1980 |
| 4223412 | Implants for bones, joints or tooth roots Implants for bones, joints or tooth roots having sufficient mechanical strength, excellent compatibility with living tissues and other advantageous properties can be obtained by thermally spraying a mixture of ceramics and hydroxyapatite onto a shaped cor... | 09/23/1980 |
| 4223413 | Bedstead frame assembly A frame assembly for use in a bedstead, such as for the headboard thereof, includes a pair of lateral standards, at least one pair of tubular cross rails connected to the standards in transverse relation thereto, and one or more spindles connected to and ... | 09/23/1980 |
| 4223414 | Combined trailer and boat cover A boat hull of the type including an upwardly opening interior bounded by generally horizontal deck surfaces is provided together with a cover structure for the boat of predetermined shape including downwardly facing marginal edges. Support structure is p... | 09/23/1980 |
| 4223415 | Waterborne life-saving apparatus An apparatus according to the above title comprising a buoyant raft spacedly surrounded by and connected to a buoyant ring from the periphery of which depends a water-containable bag forming a shark screen about the raft, and additionally such raft in whi... | 09/23/1980 |
| 4223416 | Boot support A boot support comprises an elongated one-piece solid plastic member having a shape generally approximating that portion of a human leg between the ankle and knee. The member has a plurality of sets of oppositely facing horizontal grooves located at selec... | 09/23/1980 |
| 4223417 | Gliding, mechanized toothbrush A Gliding, Mechanized Toothbrush is provided wherein a small box-like member, called the head, having a handle thereon, encloses a pair of brushes adapted to brush both sides of a tooth at the same time. The bristles of these brushes extend at an angle to... | 09/23/1980 |
| 4223418 | Device for quickly washing kitchenware, glasses, pots and the like A device for quickly cleaning, de-scaling, washing and polishing kitchenware, glasses and in particular pots, for home, restaurants and other use, is described which comprises a brushing tool, in particular a rotating brush, associated to a handle and to ... | 09/23/1980 |
| 4223419 | Shoulder-supported pneumatic sweeping apparatus A shoulder-supported pneumatic sweeping apparatus including a frame having attached to its upper portion a grip having a shoulder strap connected thereto, and formed at one end thereof with an air outlet port connected through a flexible pipe to an air ej... | 09/23/1980 |
| 4223420 | Hinge structure for automobile hoods A hinge structure for automobile hoods, including a first bracket fixedly connected to the automobile hood, a second bracket fixedly connected to an automobile body, a link mechanism rotatably supporting both brackets by a link mechanism, an urging mechan... | 09/23/1980 |
| 4223421 | Separable hinge This hinge assembly includes normally interengaged leaves, one of these supporting a D-shaped shaft in fixed position. The opposite leaf has bearing sections with open sectors that admit only the minor transverse dimension of the shaft in a praticular rel... | 09/23/1980 |
| 4223422 | Turntable for depositing a fiber sliver into a spinning can A turntable for the deposition of a fiber sliver into a spinning can comprising a sliver duct and calender rolls arranged, viewed in the direction of material flow, after the sliver duct and circling or orbiting therewith. Each calender roll is provided w... | 09/23/1980 |
| 4223423 | Cotton lint cleaner A cotton lint cleaner having a number of new and unique features. The lint cleaner uses a common air stream laden with cotton to be cleaned through a moving screen and then through feed rollers to a cylindrical saw, where a centrifugal air flow doffing im... | 09/23/1980 |
| 4223424 | Bank bag sealer A sealing device for a receptacle such as a heavy cloth bank bag for containing money or currency in which a single strip or band of material formed of metal or plastic is stamped with projections or serrations extending from one side of the band and wher... | 09/23/1980 |
| 4223425 | Slide fastener An open end type of slide fastener has an end stop comprising a pair of lugs formed from a plastic material and secured to the longitudinal edges of respective stringer tapes, each lug having an oblique inner edge extending divergently with respect to the... | 09/23/1980 |
| 4223426 | Web spreading roll A web-spreading shaft has a central rod with fixed modules aligned thereon. The modules are trapezoidal-shaped, in lateral view, and are aligned in fixed angular relationship along the rod. The latter is stressed axially and thus takes an arcuate shape, a... | 09/23/1980 |
| 4223427 | Method of knitting and of processing high pile fabric Tubular knitted high pile fabric of indefinite length is formed in a novel manner so that after walewise split lengths of the tubular fabric are coursewise seamed together to form an indefinite length of flat high pile fabric, the seam can be so formed th... | 09/23/1980 |
| 4223428 | Method and apparatus for securing a ferroelectric stack to a weighted projection surface A coupling ring is bonded onto the opposite ends of a ferroelectric stack ving substantially the same thermal expansion coefficient as the stack. A thin film of silicone compound is wiped onto the axially exposed surfaces of the rings and surfaces provide... | 09/23/1980 |
| 4223429 | Process for bonding main rotor blades from parts having different coefficients of thermal expansion A process for bonding together into a composite structure parts having different coefficients of thermal expansion by use of an adhesive which cures at a curing temperature different from the use temperature at which the structure is to be used, including... | 09/23/1980 |
| 4223430 | Method for making seat assembly for butterfly valves A method of making an improved seat assembly for a butterfly valve. The seat assembly comprises a flexible, circular metal band embedded in a resilient material to form an annular seat assembly. The assembly is made by supporting the band in a fixed spati... | 09/23/1980 |
| 4223431 | Valve spring remover The invention provides a tool for facilitating the removal or mounting of valve springs of overhead valve internal combustion engines compressors or the like. A manual lever is adapted to receive at one end an upstanding bolt or stud on the cylinder head ... | 09/23/1980 |
| 4223432 | Shim bundle and method of making the same Several courses of random width, low-grade tapered wood shingles are stacked in an elongated trough with the butts of shingles of adjacent courses disposed at opposite sides of the trough to form a substantially continuous stacked shingle lay-up. A cutoff... | 09/23/1980 |
| 4223433 | Method of joining workpieces with a rivet fastener system A metal rivet, a two-piece rivet assembly, and a joint including the assembly. The metal rivet includes a preformed head at one end of a solid shank. At the other end there is a tubular upsettable portion which is circularly cylindrical with a recess whic... | 09/23/1980 |
| 4223434 | Method of manufacturing a niobium-aluminum-germanium superconductive material A method for manufacturing flexible Nb3 (Al,Ge) multifilamentary superconductive material in which a sintered porous niobium compact is infiltrated with an aluminum-germanium alloy and thereafter deformed and heat treated in a series of steps a... | 09/23/1980 |
| 4223435 | Circuit board with self-locking terminals The present invention provides an apertured circuit board having self-locking terminals which partially cover at least some of the apertures. The terminals, which are integral extensions of the circuit pathways, each include a pair of inwardly disposed ge... | 09/23/1980 |
| 4223436 | Splice assembly tool and method of splicing A splice assembly tool for assembling component parts of an electrical conductor while producing a splice connection between electrical cables therewith, comprises a first structural member adaptable for supporting force applying means thereon, said force... | 09/23/1980 |
| 4223437 | Shaving apparatus There is provided a shaving apparatus having a shear plate formed with hair-entrance apertures and a cutting unit associated with and drivable relative to the shear plate. The cutting unit comprises a cutting member having cutters and lead cutters respect... | 09/23/1980 |
| 4223438 | Direct bar oiler for chain saws A chain saw oiling system in which the oil feed to the chain bar is carried through a modified form of the travelling nut which provides longitudinal adjustment of the chain bar.... | 09/23/1980 |
| 4223439 | Manually operated cutting pliers for cables, wires, profiles or the like Manually operated cutting pliers in which two hinged plier grips are spread apart by spring action. One of the plier grips has a fixture, whereas the other grip actuates a jaw movable relative to the fixed jaw by a sliding drive. At least one of the two j... | 09/23/1980 |
| 4223440 | Cord-type mowing machine A cord-type mowing machine comprises a rotary head in the form of a housing containing a coil of nylon cord therein. An uncoiled end portion of the cord extends downwardly through the bottom of the housing and is fixedly secured to the housing on its unde... | 09/23/1980 |
| 4223441 | Flail for a rotary vegetation cutter A flail for a rotary vegetation cutter. The flail is attached to a rotor and is centrifugally swung around the axis of rotation of the rotor to strike vegetation such as grass and weeds to cut them down. The flail comprises a plurality of metal filaments ... | 09/23/1980 |
| 4223442 | Distance measurement The invention is concerned with establishing the datum level of a lance or cartridge relative to the surface of a bath of molten metal in a metallurgical vessel. A voltage is applied to the movable lance or cartridge in such manner that contact of the lan... | 09/23/1980 |
| 4223443 | Strain pick-up for testing of materials A strain gauge pick-up for the measurement of a test piece. This pick-up ludes two tapping points mounted on a pair of rigid elbow members. The elbow members are spaced a predetermined distance apart, and their spacing varies as the tapping points are ap... | 09/23/1980 |
| 4223444 | Acoustic micrometer An acoustic micrometer for measuring the exact distance between two electrically interconnected metallic objects is disclosed. The micrometer comprises a micrometer head having an electrical contact at one end adapted to engage one of the metallic objects... | 09/23/1980 |
| 4223445 | Carpentry measuring tool A carpentry measuring tool including two arms pivotally connected at adjoining ends thereof. The two arms are angularly adjustable with respect to one another, and are adapted for determining the angle formed between the interior portions of intersecting ... | 09/23/1980 |
| 4223446 | Lead sight apparatus for shotguns Lead sight apparatus for shotguns is disclosed which comprises a pair of rings of a predetermined diameter spaced apart a predetermined distance from the barrel of a shotgun and extending outwardly from the shotgun barrel.... | 09/23/1980 |
