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7114935 |
Curing envelope for and method of retreading tires
The present invention provides for proper air bleed without using air wicking fabric strips and/or the perforated polyethylene material or the like. Instead, an inside surface of a curing envelope...
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6916163 |
Device for treading a tire carcass
The invention relates to a device for treading a vulcanized tire carcass using an uncured tread comprising a rim (6) for mounting the carcass, an elastic annular mold (7) whose circumferential...
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6607373 |
Resilient mold for tread
A resilient annular or ring-shaped mold for molding a crude rubber tread covering a vulcanized tire carcass, the mold being made of a resilient material, characterized in that it has provision for...
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5653847 |
Enhanced tread mold expander
Tire recapping or retreading apparatus and method including the use of a tread mold with a plurality of mold segments. A tread mold loading machine is used to position a prepared tire carcass or...
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5494551 |
Segmented matrix apparatus for forming a tread pattern in a retread tire
Apparatus for forming a tread pattern on a retread tire casing includes a plurality of rigid matrix segments each having a contoured tread pattern thereon. Each matrix segment is removably secured...
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5354406 |
Apparatus for retreading a tire
Tire recapping or retreading apparatus and method including the use of a tread mold with a plurality of mold segments. A tread mold loading machine is used to position the prepared tire carcass...
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5342462 |
Method and apparatus for retreading a tire
A tire recapping and retreading method and apparatus that includes a rigid, segmented tread mold. The mold is retained in place over the tire carcass and uncured tread material by a resilient...
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5306130 |
Apparatus for recapping a tire and an improved curing envelope for use therein
An improved curing envelope is provided for use in a retreading or recapping process. The improved curing envelope includes integrally formed gas passageways in the inner circumferential wall...
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4946554 |
Mold for recapping a tire
A method and apparatus for retreading a tire includes a mold segment (14) having open ends (16) and (18). A tire carcass (10) has a layer of uncured rubber (12) built up on the surface thereof. The...
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4792379 |
Apparatus for recapping a tire with a flexible segmented mold
A method and apparatus for retreading a tire includes a mold segment (14) having open ends (16) and (18). A tire carcass (10) has a layer of uncured rubber (12) built up on the surface thereof. The...
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4588460 |
Method and apparatus for recapping a tire with a flexible segmented mold
A method and apparatus for retreading a tire includes a mold segment (14) having open ends (16) and (18). A tire carcass (10) has a layer of uncured rubber (12) built up on the surface thereof. The...
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4571277 |
Cold recapping method for tires utilizing uncured rubber and compressible mold
An apparatus and method for cold retreading or recapping of the running surface of a vehicle tire. A rubber, rope and cloth mold larger in diameter than the recap tires produced in it is produced...
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4190405 |
Heating device for a tire retreading mold
This disclosure is directed to a heating device particularly adapted for tire treading and/or retreading matrices and includes a body having a continuously unending channel formed in an exterior...
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4063857 |
Control unit for moving the slide molds during the production of buildings
This disclosure relates to an apparatus for erecting structures from flowable and settable material and includes a lifting unit having an open ended shell supported by a carrier pivotally attached...
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4053265 |
Mold for retreading pneumatic tires
A resilient mold and a method for retreading tires using such mold which has an inner face of a normal, unstretched diameter which is smaller than the outer diameter of a tire tread. The mold is in...
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4025250 |
Segmented matrix with guide means and retaining pins
This disclosure relates to a retread mold assembly which includes a base and a plurality of matrix segments which are movable relative to the base and in the closed position thereof define a...
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3999907 |
Adjustable tire retread curing matrix
An adjustable tire curing mold or matrix suitable for retreading tires of varying diameter. A plurality of rigid mold segments with adjacent segments joined to form a continuous annular mold of...
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3983193 |
Method of retreading pneumatic tires
A method for retreading tires using a resilient mold or matrix ring which is normally smaller than a tire body. On its inner side, this ring has an embossing pattern which applies a tread design to...
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3963393 |
Endless tread mold apparatus
A tire tread moldin apparatus is disclosed. The apparatus, which produces an endless and seamless toroidal tire tread for use in retreading of tire carcasses, utilizes a central mandrel and a...
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3925129 |
Tire retreading system
In a tire retreading system the circumference of a tire body is buffed to a predetermined radius after which a strip of uncured cushion gum rubber and a premolded, precured tread strip are mounted...
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3778203 |
MATRIX ASSEMBLY WITH SEGMENTED MATRICES
This disclosure relates to a matrix assembly for treading tires and includes a pair of matrix shell halves each of which has mounted therein segments which combine to define one half of a matrix....
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3751015 |
SCREW EXTRUDER WITH RADIALLY PROJECTING PINS
A screw extruder for the continuous processing of a synthetic thermoplastic material in which one section of the rotatable screw in the metering or discharge zone of a barrel extruder carries a...
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3697206 |
PRESS FOR REBUILDING OF TIRES
The retreading of automotive tires may be effected by means of a movable frame, guided on rails, supporting the upper half of a tire mold and a single set of controlling means for a plurality of...
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3640652 |
LOCKING DEVICE FOR TIRE RETREADING MOLD
A single trunnion mounted power cylinder operates a low-friction wedge horizontally to exert a heavy clamping force along the true axis of the coupling shaft which connects the tire stand and...
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3516121 |
TIRE RETREADING MOLD APPARATUS HAVING LOCKING MEANS
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3484903 |
AUTOMATIC CLAMP BAND
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3339241 |
Tire retreading matrix with annular steam chamber
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3283053 |
Method for forming non-skid tire treads
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3196491 |
Tire retreading matrix
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3193880 |
Tire retreading mold and lifting means therefor
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3170193 |
Electric heating unit for tire matrices
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3130446 |
Tire mold loader
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3131243 |
Method of and apparatus for inserting a tire into, and removing the same from, a mold
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3004287 |
Tread centering mechanism for tire retreading molds
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2990874 |
Method of forming a tread on a pneumatic tire casing
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2916772 |
Locking ring locating and guide unit for portable tire retreading molds
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2853739 |
Matrix spacer fastener
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2840857 |
Apparatus for remoulding or retreading tyres for vehicles
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2830321 |
Mold for retreading tractor tires
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2813304 |
Mold construction
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2806251 |
Power actuated, tire mold body opening and closing device
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2793397 |
Centering means for tire retreading machines
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2788048 |
Metallic inserts for tires
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