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Class 156/122 - Joining tube ends to form torus


Subclass of Class 156 - Adhesive bonding and miscellaneous chemical manufacture
Definition: Processes which include a step of securing the tube ends
No. of patents: 24
Last issue date: 06/21/2005


NumberTitleIssue Date
6338766Retention mold for bonding tire tube
To make it possible to precisely bond a tube blank having thickened portions projecting from an outer wall surface of a retention mold. A tube blank is formed of natural rubber and is provided with an air chamber peripheral wall, a sealant chamber periphe...
01/15/2002
6334918Tire tube
A tube tire for avoiding damage to a tube in charging a sealant, and for preventing the sealant from plugging an air valve of the tube. A first tube half and a second tube half have the same side and circular cross sections are joined together as raw rubb...
01/01/2002
6159403Method of manufacturing sealant containing tire tube and vulcanizing apparatus therefor
To provide a method of manufacturing a sealant containing tire tube, which is capable of simply opening a sealant filling hole without use of any specialized jig, and a vulcanizing die therefor. A vulcanizing die includes an upper die, a lower die, and a ...
12/12/2000
6106647Process for producing sealant-incorporated tire tube
A tube blank 2' whose inside is divided into an air chamber 3 and a sealant chamber 7 by a partition wall 5 has an air relief port 41 provided in a sealant chamber peripheral wall 4o and communicating a sealant chamber 7. At a vulcanizing step,...
08/22/2000
5900088Process for producing sealant-contained tire tube
A tube blank 2' whose inside is divided into an air chamber 3 and a sealant chamber 7 by a partition wall 5, is formed by extrusion and cut into a predetermined length. An air valve 6 is mounted to the tube blank 2' to communicate with the air chamber 3 a...
05/04/1999
5597427Method of making multilayer nonwoven thermal insulating batts
A multilayer nonwoven thermal insulating batt is provided. The batt comprises a blend of bonding staple fibers and staple fill fibers, the fibers being formed into a multilayer batt. The bonding fibers are subsequently bonded sparingly to staple fill fibe...
01/28/1997
4916799Method of making a pipe joint seal with bistable elastomeric sealing projection
A gasket is formed with a mounting portion which is generally cylindrical, and provides an anchoring projection extending radially from the outer side thereof. A sealing projection is joined to the mounting portion by a hinge section. The sealing projecti...
04/17/1990
4874443Method for applying elastomeric material onto a drum
A means and method for applying innerliner material to a tire building drum and more particularly to a means and method for cutting and applying the innerliner material and further allowing for stock width measurement and precise centering without the pos...
10/17/1989
4836877Method of making a tire retreading envelope
A retreading envelope is produced by extruding an elastomeric material in substantially tubular form, with portions of the wall thickness of the circumference of the extruded tubing being of a thickness substantially greater than the wall thickness of the...
06/06/1989
4585044Tubular tire for cycles
A tubular tire for cycles comprising a tubular toroidal body including an inner airtight tube to be inflated, the tire body or carcass being equipped, on the outer surface mating the wheel rim, with a rubberized tape having projecting portions such as pro...
04/29/1986
4514243Tire for wheelchairs and the like
A tire for a wheelchair wheel or the like in the form of a composite extrusion comprising a relatively soft, elastomeric casing extruded over a semirigid core. End faces of a length of extruded stock are joined by thermal fusion developed by a ferromagnet...
04/30/1985
4324280Inner air-tube of tire for bicycle
An inner air-tube of a tire for bicycle, particular for racing cycle substantially composed of a thermoplastic urethane resin of a specific type. The urethane resin is comprised of a bifunctional polyol, a diisocyanate and a diol serving as a chain-propag...
04/13/1982
4252328Self-activating ferrofluid seal and method
A self-activating ferrofluid-seal apparatus for a memory-disc-drive shaft, which seal apparatus comprises a ring magnet and a pair of pole pieces which form a cavity therebetween, a closed loop of a plastic tubular container with ferrofluid positioned wit...
02/24/1981
4250611Process for making drug delivery device with reservoir
An intravaginal contraceptive system for the pre-programmed, unattended delivery of an antifertility steroid is disclosed. The system comprises (a) an antifertility steroid, (b) a delivery module comprising a reservoir for storing the steroid in an amount...
02/17/1981
4198367Method and apparatus for producing retreading envelopes
A retreading envelope is made by extruding a split tube of rubber which is passed over a rotating stretching wheel to stretch the split tube to a predetermined shape. The stretched split tube is removed from the stretching wheel after moving around a part...
04/15/1980
4182642Pipeline joint tester
A high-pressure joint tester includes a pair (or two pairs) of plugs, each plug having an annular rigid channel containing an inflatable elastomeric annular tube. The spaced, parallel plugs are joined together by a rigid cylindrical wall extending between...
01/08/1980
4179321Method of applying and adhereing lubricant to a tire inner tube as it is formed
This disclosure relates to a lubricant comprised of a mixture of a binder and a lubricating agent in a certain predetermined ratio. The binder is a wax type material having a melting point below the surface onto which the lubricant is applied and the lubr...
12/18/1979
4150581Belt for transport of materials and transmission of power
A single or multiply endless belt possessing predetermined elastic properties consisting of a flat knit substrate which has been impregnated with an elastomeric material and made endless by wrapping upon itself and the method of producing the same....
04/24/1979
4126720Radial tire manufacturing method
A method of forming a reinforcing fabric and in particular a body ply for a radial tire. A continuous narrow ribbon, which is formed of an uncured elastomeric material having a plurality of spaced substantially parallel reinforcing means, preferably indiv...
11/21/1978
4101368Inner tube splicing machines
In, or for use in, a vehicle inner tube splicing machine, a tube end cutting assembly comprising a cutting knife supporting carriage which is mounted on a pair of spaced parallel guide shafts and is reciprocated by hydraulically powered means. The knife s...
07/18/1978
4089718Process for making thermoplastic elastomeric articles
A process for producing thermoplastic, elastomeric articles such as, for example, semi-pneumatic tires, comprising the steps of admixing a thermoplastic, elastomeric molding composition including a vulcanizable or otherwise thermosetable elastomer, inert ...
05/16/1978
4073048Gasket seal between sewer pipe and manhole opening
An improved seal for closing the space between a pipe and the wall of an opening through which it passes, using a linear extrusion of elastomeric material, of predetermined length to form a gasket. The extrusion has a hollow, pear-shaped head formed integ...
02/14/1978
3994767Ring forming machine
Apparatus for forming annular articles from elongated workpieces of thermoplastic material is provided with clamps for grasping the ends of the workpiece, and a heating plate with two opposed surfaces; the clamps apply the ends of the workpiece to the pla...
11/30/1976
 
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