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4785854 |
Method of coating metal pipe having bending capability
In a concrete-wrapped pipe having an inner water-impermeable resinous coating, the concrete wrapping is formed with a continuous inner portion covering the resinous coating and a helically slotted...
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4781777 |
Double-wall underground tank and method of making
A double-wall tank having inner and outer walls bonded to connecting hollow annular ribs. Passageway means through the ribs enable leak-detecting liquid to fill the spaces between ribs, within...
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4781776 |
Method and device for coating a pipe
An apparatus and method for coating an elongated pipe wherein a web is coated with a liquid coating composition in a stationary trough and wound spirally around the pipe by turning the pipe over...
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4774937 |
Curable resin coated sheet having reduced tack
A curable resin coated sheet useful as an orthopedic bandage which has reduced tack is provided. The resin coated sheet is pre-lubricated with a lubricant which is (a) bonded to the resin, (b)...
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4766019 |
Carbonated beverage can and method for producing a carbonated beverage can
The present invention resides in a method for producing a carbonated beverage can which has acceptable creep, modulus and yield strength values, which comprises a can body, which is made up of a...
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4765861 |
Apparatus and method for winding a toroidal magnetic core onto a bobbin for a toroidal transformer
A toroidal electrical transformer having a low voltage coil, a high voltage coil, and an annular magnetic core is disclosed. The preferred low voltage and high voltage coils are each fabricated in...
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4737216 |
Method of fabricating disposable roller for use in xerographic copier machines
A roller is characterized by an inexpensive and disposable construction for use in transporting and applying developer material in a developer system of a xerographic copier machine, and a method...
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4729807 |
Method of fabricating composite products
The invention provides a method of forming composite products of two incompatible plastics or other materials by extruding a first stream of plastic through a die to form a profile and coextruding...
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4728532 |
Method of externally covering metal objects
A tubular metal object is rotated about its longitudinal axis and a layer of tape and synthetic thermosetting resin is wrapped around the object at room temperature. The object is inductively...
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4716640 |
Method for manufacturing a burner ring for a turbojet engine
Disclosed is a method of manufacturing a composite material burner ring made wholly of a composite material. The burner ring is manufactured by winding a carbon or ceramic type refractory material...
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4713133 |
Methods of adhering a self-fusing tape to a substrate
A process is provided for affixing to a substrate a non-tacky, flexible layer consisting of a raw polymer mixture of a minor proportion of high density polyethylene, linear low density polyethylene...
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4708756 |
Process of producing a pliable roller
A process of producing a pliable roller uses a flexible strip of material with a tension element longitudinally therealong, the tension element having a lesser longitudinal extensibility than the...
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4707206 |
Method of making a fiber reinforced product
A method of manufacturing fiber reinforced silicone elastomer hoses and the hoses (25) resulting from the method are disclosed. The method comprises the step of extruding an unreinforced silicone...
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4692975 |
Paint roller
A paint roller is comprised of a thermoplastic tubular core and a cover fabric heat-fused thereto without an intermediate adhesive. The fabric is wound around the core in a helical path, and the...
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4692196 |
Apparatus and method for wrapping an external tape support about a filter element assembly
An automatic wrapping apparatus for wrapping an external tape support about a filter element includes an indexable turret assembly having a plurality of filter element clamps rotatably mounted at...
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4677721 |
Method for fabricating an elastomeric bearing assembly
The article and method of manufacturing of a bearing assembly wherein the assembly has an inner cylindrical elastomeric sleeve reinforced with at least one ply of a fiber reinforced rubber adhered...
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4673168 |
Airspring and a method for making airspring flexible members
A method of manufacturing a beadless flexible member for an airspring having a fully molded non-tubular shape. An axially segmented mold with tapered circular end bores is used with conically...
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4668576 |
Tape primer composition
A tape primer composition that forms a primer coat between a polyethylene film or sheet support and an overlying butyl rubber base adhesive layer is described, said primer composition consisting...
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4657285 |
Tubular rubber products
A process for producing a tubular rubber product such as a rubber hose and a rubber coupling in which a polyamide resin and/or polyester resin layer is formed to the main body of a tubular rubber...
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4657623 |
Process and apparatus for the manufacture of tubular hollow bodies and the use thereof
The invention relates to a method and apparatus of manufacture of fiber reinforced tubular bodies which comprise in combination at least on cover layer and at least one core layer; said layers...
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4643786 |
Process and apparatus for applying labels
To apply automatically a label to an object, particularly a food product, of substantially cylindrical irregular shape, the object is introduced into a loop purposely formed in a conveyor belt,...
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4632720 |
Apparatus for preparing an annular body of a hydraulically setting mass
Steel, cast iron, synthetic resin or concrete pipes are coated with a hydraulically setting mass, such as cement mortar or a mixture of cement, fibers, aggregates and optional additives, by...
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4624723 |
Method for manufacturing a rubber roller for spinning
A rubber roller for spinning whose rubber cot comprises an inner and an outer rubber layer bonded together over a reinforcing layer consisting of a woven cloth or sheeting and fitted securely on...
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4594275 |
Elongated columnar or rod-like structure, and method of its manufacture
To form a columnar or rod-like or bar-like material, a plurality of canes, for example of glass, plastic, or metal, are assembled in openings, for example in the form of circumferential grooves (3)...
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4581083 |
Roll product tail securing system
A system for securing the unaffixed tail of a roll product to a convolution thereof underlying the tail with a flexible sealing element wherein a predetermined physical characteristic of the roll...
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4574023 |
Apparatus and method for applying sleeves to pipe
An apparatus for applying a sleeve on a pipe comprises a dispenser for wrapping material and guides which define the path followed by the dispenser around the pipe. The guides are held on the pipe...
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4574106 |
Self molding fiberglas
A self molding fiberglas to be used for building boats, swimming pools, spas, liquid storage tanks and pipes that eliminates the building of a mold first.
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4569710 |
Process for manufacturing the inner tube element for a double tube coring apparatus
The invention relates to a process for manufacturing an inner tube element made of synthetic resin for a double tube coring apparatus provided for deep boring. The tube element is provided with...
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4563231 |
Tubular casing, process for its manufacture, and its use as a sausage casing
Disclosed is a tubular casing of fiber-reinforced regenerated cellulose comprising a film web which is curved to form a tube. The edge regions of the film web, which run parallel to the...
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4549919 |
Process for providing a metal connector fixed to a pipe of composite material and pipe thus made
There is provided a process for providing a metal connector fixed to a pipe of composite material and a pipe thus made. A pipe carries at one of its extremities a metal connector, and a first film...
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4545983 |
Method for making cosmetic pencils
A method for making a cosmetic pencil having a lead of solvent-based cosmetic composition. The leads are packaged in an airtight container, such as a plastic bag and stored in a freezer at a...
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4544428 |
Method of manufacturing a pressure tank
A method of manufacturing a pressure tank comprises forming the tank with an inner thin wall of light metal and applying a backup wrapping of resin impregnated fibers having a large breaking...
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4544426 |
Method and apparatus for applying a coating material to a pipe
The invention relates to a method and apparatus for wrapping pipe with a cementatious material wherein the wrapping strip is provided with notches along the edges thereof which interlock along the...
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4539055 |
Fiber pipe protection for water cooled pipes in reheat furnaces
A lightweight ceramic refractory covering for water cooled members forming the structural portion of a metalliurgical furnace which is thermally insulating and resists wet scale attack, corrosion...
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4525231 |
Method of making cushioned automotive strap handle
Cushioned automotive strap handles with spring steel base strips, cushions, and wrapped and sealed covers are made by injection molding resin cladding directly onto steel base strips before...
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4514245 |
Method for reinforcing a hollow body made by winding a profiled section
According to the method of the invention there is wound, around a hollow body (1) and in substantially contiguous turns, a flexible strip (2), the latter strip being fixed onto the hollow body. The...
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4510181 |
Method for coating metal surface
A method for coating a metal surface by forming a corrosion-protective layer on the metal surface or a defective area of a corrosion-protective layer formed on the metal surface, which comprises...
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4504086 |
Pipe tee
A pipe tee comprises a substrate having deposited thereon a reinforcing wrapping of a resin-impregnated filament.
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4502905 |
Tying machine and method
A typing ribbon is carried by a carrier ring around a bundle of wires, while locating pins hold the ribbon spaced from the wires. A finger engages the ribbon and moves it laterally across one of...
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4501632 |
Wrapping steel pipes in a thermoplastic ribbon
A thermoplastic hose is extruced, longitudinally, but in opposite (thinned) locations, and the resulting two semi-circular sheets are flattened, superimposed with an offset, and wrapped around a...
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4495018 |
Process for producing a reinforced tube
Process of making a reinforced tube including extruding a thin walled tube, encircling the tube with a completely closed layer of helically extending strip coated with heat activatable adhesive...
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4493749 |
Composite vehicle frames and method of manufacturing composite vehicle frames
My invention constitutes a new method of manufacture of vehicle frames utilizing a multiplicity of tubes wrapped with a resin impregnated fiber material.
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4481239 |
Process for coating metallic substrates, and use of the products prepared in this process
A process for coating metallic substrates in several stages with heat-hardenable synthetic resins having functional groups from the group comprising hydroxyl-containing polyesters, crosslinkable...
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4475974 |
Apparatus and method for glueing the outer end of a stick of wound paper material
The apparatus comprises: a plurality of pairs of support rollers 43 for receiving a stick of rolled paper 44, rotating it, stopping its rotation and supporting it in successive phases X,Y,Z; a...
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4475973 |
Method for production of a fluid separation module
A method for easily providing a spiral type-fluid separation module by horizontally rotating a mandrel around its axis from which one or more layer arrangements consisting of a plurality of layer...
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4472231 |
High shear resistant pipewrap anti-corrosion system
An anticorrosion and high shear resistant pipewrap system is described wherein a pipe surface is first coated with a primer comprised of natural rubber, resins, and a metal oxide activator...
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4464856 |
Fishing rod with improved casting characteristics
A fishing rod capable of increased casting distances is made of two (2) concentric-frictionally engaged blanks and includes a stiff, but not rigid butt zone incorporating most of the first blank, a...
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4437495 |
Pipes and pipe coatings
A weight-coated pipe has an innermost anti-corrosion layer, a helically-wound covering of a cementitious sheeting having a reinforcement of organic fibrillated film network arranged as a plurality...
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4436568 |
In situ precipitated fibrous laminate and method of producing same
Multi-layer fibrous sheet laminate having layers with criss-crossing predominate grain directions, each layer being a three-dimensional reticulate structure of polymer fibers precipitated in situ...
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4421810 |
Perforated drainpipe and method of making same
A perforated drainpipe in which at least one sheet comprised of polymeric material is shaped in generally tubular configuration with adjacent edges thereof being slightly spaced apart to define...
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