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4364980 Hollow body suitable for receiving diffusible substances, coated with resin varnish, and a process for its production and its use  
The invention comprises a hollow body, suitable for receiving diffusible substances and made of plastics material coated with varnish resins, the external surface of which has a roughness,...
4352841 Surface pre-treatment prior to underwater bonding  
The invention relates to a method of forming a metal-resin bond in the presence of environmental contamination of the metal surface by, for example, adsorbed water. The method consists of cleaning...
4351692 Apparatus and method for automatically filling and heat weld sealing lengths of plastic tubing  
A machine for automatically sealing the end of various sized lengths of plastic tubing and for filling same has a clamshell clamp for straightening and firmly positioning the tubing, a carriage...
4349597 Production of synthetic leather  
A composite synthetic leather sheet material and method of manufacture thereof is disclosed. The composite sheet material comprises outer thermoplastic polymeric layers bonded to opposite faces of...
4347088 Bubble tubes for spirit levels  
A method for manufacturing a bubble tube for a bubble level, comprising the following stages: completely filling a barrel-shaped machined cavity (9) in the tube with suitable liquid such that the...
4326907 Method of identifying piston rings  
Piston rings of asymmetrical cross section are identified by providing a surface marking which extends from one flank face of the piston ring to the outer circumferential face (running face) thereof.
4324841 Lithographic substrates  
A method for the production of aluminum substrates useful in the production of lithographic printing plates which comprises mechanically graining the surface of an aluminum sheet, subsequently...
4307933 Optical fiber launch coupler  
A low-loss unidirectional optical coupler utilizing clad monofilament fibers of different diameters is provided by mounting each fiber on a curved surface, lapping the smaller (launch) fiber...
4283821 Method for producing fiber rolls  
A fiber roll and a method for producing the fiber roll comprising a load carrying shaft portion and having thereon a cover portion made of fiber material. The cover portion is made by subjecting a...
4284449 Method for producing an optical power sampling device  
A method for producing a device for sampling optical power carried along a transmission medium.Capillary tubing, cut to a fixed length, is machined to uniform outer diameter. Its ends are machined...
4281943 Method and device for anchoring rods of insulating material in attachment fitting  
A method and device for anchoring rods of high tensile strength insulating material in metal attachment fittings are disclosed. The end of the rod which is previously split and traversed by a hole...
4274898 Tire buffing tool and method  
PCT No. PCT/US79/00666 Sec. 371 Date Aug. 30, 1979 Sec. 102(e) Date Aug. 30, 1979 PCT Filed Aug. 30, 1979 PCT Pub. No. WO81/00538 PCT Pub. Date Mar. 5, 1981This invention relates to a buffing tool...
4265698 Process of forming a sound needle and sound needle construction  
A process of forming a sound needle for the scanning of mechanical sound carriers preferably records after the needle has been secured to a holder having a diameter comparable to the maximum...
4232092 Method of and means for precision mounting of members on elongate metallic supporting structure  
Members, such as paper machine forming board drainage foils, and the like, are adapted to be mounted in a predetermined substantially accurate attitude unaffected by possible irregularities on a...
4225379 Method of laminating plastic film and shaped metal substrates  
Lamination of plastic film and shaped metal substrates is carried out by a pair of rolls which comprises one heat-resistant roll having a hollow for receiving at least a forward edge of the shaped...
4214945 Method of making a perforated tubular member  
A method of and apparatus for uniformly debossing and perforating a ribbon of thermoplastic sheet material or film through the use of vacuum in combination with a flash heating source such as a...
4213816 Method for bonding porous coating to rigid structural member  
A method for bonding a layer of porous polymeric material to a rigid implantable portion of a prosthetic device, which includes the steps of (a) forming a substrate by coating the implantable...
4195980 Method of manufacturing a continuous optical preform  
A method of manufacturing a continuous preform for an optical fibre of the type produced from glass or silica tubes or rods, the method including arranging the tubes or rods end to end in a...
4180427 Foamed thermoplastic material laminated with a sheet-like covering material  
A layer of foamed thermoplastic material, such as polystyrene foam, is coated on at least one of its surfaces with a sheet of covering material. The covering material can be kraft paper, metal...
4159222 Method of manufacturing high density fine line printed circuitry  
The method of manufacturing printed circuitry with sufficiently high resolution to permit line densities of at least 1 mil lines on 3 mil centers includes the steps of placing a thickness of dry...
4153753 Spectrally selective surfaces and method of fabricating the same  
The invention comprises spectrally selective surfaces having a good performance at relatively low cost, and designed to be used mainly, but not exclusively, in solar thermal energy collectors....
4108700 Method of making coned joint for joining dissimilar diameter filament wound tubes  
A coned joint for the purpose of structurally joining two filament wound es, having dissimilar diameters, into a single launch tube. After being joined together, the assembled tubes have a...
4097632 Product for constructing three-dimensional sign character  
A three-dimensional sign character is formed with improved circumscribing opaque metal sheet strip siding. The sign, typically having an interior light source, includes a translucent plastic face...
4086114 Aluminum surface treatment to enhance adhesion in a given direction  
A thin sheet of electrical grade aluminum is secured to a thin substrate sheet of epoxy/fiberglass or polyimide/fiberglass to form a multilayer card. This card is processed by printed circuit...
4082592 Splicing of tread strips  
A machine for splicing or joining the ends of two precured rubber tread strips each having a pattern of ribs and grooves in one surface thereof. The machine includes first and second...
4076566 Method of preparing decorative textured laminates  
A process of preparing textured, decorative laminates is disclosed wherein the laminate assembly is heat and pressure consolidated in conjunction with a press plate having a specific roughness and...
4075388 Adhesive bonding of poly(arylene sulfide) surfaces  
Pretreating a first solid surface consisting of a material selected from the group consisting of unfilled poly(arylene sulfide) and fiberglass-filled poly(arylene sulfide) by mechanically...
4049853 Terrazzo structure having a sub-surface and an intermediate impermeable sheet  
An improved terrazzo floor or wall construction of reduced thickness bonded and adhesively secured to an underlying sub-surface through the medium of an intermediate liquid impermeable sheet. A...
4044183 Synthetic suede and process therefor  
Process for preparing a synthetic suede product from three or more separate layers of non-fibrous materials welded together: two outer layers with outwardly extending polyurethane fibers and at...
4037976 Writing nib structure and method of manufacture  
A writing nib for pens and marking implements having an elongated body of generally rectangular configuration and reinforced by layers of relatively rigid solid material laminated to opposite...
4036668 Bonding fluoroelastomers to metal  
Fluoroelastomers, including ultra high temperature, thermally stable fluoroelastomers, are bonded to a metal backing member by (a) compounding the fluoroelastomers with CaO, (b) curing the...
4036677 Machine for treating worn out pneumatic tires and for applying a pre-molded tread ring  
A machine for retreading worn-out pneumatic tires comprises a chuck which is adapted to support a tire to be retreaded, an arrangement for rotating the tire, a peeling arrangement for removing the...
4033804 Reclaiming waste plastics  
Molecular orientation stress is relieved in thermoplastic articles being prepared for reclaiming in order to shrink the article and decrease volume. Shrinkage is sufficient to cause separation of...
4032378 Method of forming pattern roll  
A pattern roll is provided for use in opposition to a sonic horn for fusing responsive material interposed between the roll and horn. The pattern of the roll is formed integrally on the roll body...
4028161 Method of making sheet material  
A sheet material having leather-like grain, excellent scuffing and abrasion resistance and superior dyeability comprising in combination, a substrate, and intermediate layer of 0.05 to 2.5 mm...
3985598 Material repair process  
A process for the repair or reinforcement of fabrics woven of smooth surface synthetic fibers, such as nylon. A swatch of like material having one side coated with a heat sensitive adhesive is...
3953271 Process for the production of artificial leather having a crepe pattern  
Artificial leather having a crepe pattern is produced by a process comprising preparing a base cloth material at least a part of which is composed of highly heat shrinkable yarn and less heat...
3947953 Method of making plastic sealed cavity molded type semi-conductor devices  
The external lead frame for a plastic sealed, cavity molded type semi-conductor device is formed of Phospor bronze, with the bronze lead frame liquid honed, it is pre-heated and supported in a...
3940527 Friction article of fluoroelastomers with calcium oxide bonded to metal  
Fluoroelastomers, including ultra high temperature, thermally stable fluoroelastomers, are bonded to a metal backing member by (a) compounding the fluoroelastomers with CaO, (b) curing the...
3937384 Process for constructing three-dimensional sign character  
A three-dimensional sign character is formed with improved circumscribing opaque metal sheet strip siding. The sign, typically having an interior light source, includes a translucent plastic face...
3937425 Airplane wing and method of forming same  
A method of forming an airplane wing and a resulting article of manufacture where a wing structural member is provided which is composed of a plastic foam layer sandwiched between opposing paper...
3914858 Method of making sealed cavity molded semiconductor devices  
A method of making a cavity molded type semiconductor device with an external lead frame is disclosed wherein the external lead frame is prepared with a liquid honing treatment prior to its being...
3897292 Method of producing a printing magnetic saddle  
A magnetic saddle for use in printing comprising the base plate for saddle consisting of a non-magnetic material and superposed on the printing cylinder, a plurality of yokes arranged at regular...
3892900 Masking films  
A substantially transparent and colored masking film for photoengraving has a substantially transparent supporting plastic film on which an adhesive undercoating, a colored resin layer and a...
3892612 Method for fabricating foreign object damage protection for rotar blades  
A filament composite compressor blade is provided with a fine wire mesh subsurface layer around its leading edge. This subsurface layer is clad with nickel. Internal mesh layers are also...
3879876 Bowling ball indicia display means and method of assemblying same  
A one-piece rigid insert which may be of transparent, plastic material is adapted to be fixedly secured within a recess formed in the outer surface of a bowling ball or the like. The insert's...
3880687 METHOD OF MAKING A WOOD FIBER BOARD HAVING A RELIEF-TEXTURED SURFACE  
In obtaining a texture or a pattern on a wood fiber board by conventional procedures, as by means of a die, high pressures must be used so that the material of which the board is made is compacted...
3862880 Laminate for refrigeration apparatus, refrigerator and method of forming same  
A laminate especially useful in refrigeration applications which includes a sheet of rubber-modified polystyrene, a film of rubber-modified copolymer of styrene and acrylonitrile acting as a...
3860469 METHOD OF MAKING A LEATHER-LIKE TEXTURIZED LAMINATE  
A laminate comprising a non-woven or woven fabric backing layer having fibers upstanding therefrom and a film-like facing layer secured to the tips of the upstanding fibers. The facing layer and...
3857744 METHOD FOR MANUFACTURING COMPOSITE ARTICLES CONTAINING BORON CARBIDE  
In accordance with the invention, a composite silicon impregnated boron carbide body bonded to a backing material for said body is manufactured by forming a boron carbide powder compact of the...