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Class 425/35 - Toroidal or annular female shaping means and coacting means holding preform thereagainst


Subclass of Class 425 - Plastic article or earthenware shaping or treating: apparatus
Definition: Apparatus which includes the combination of (1) a shaping
No. of patents: 66
Last issue date: 09/07/2010


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NumberTitleIssue Date
7789643In situ pipe repair controller and system
A control apparatus used in conjunction with tools and devices such as electrical power supplies, fluid pumps and vacuums for in situ repair of pipes. A method for controlling in situ repair of pipe using electrical power sources, fluid and pressure sources and flex...
09/07/2010
7442335Apparatus and method for loading and unloading a tire press
A tire press has an upper mold fixedly attached to a top plate. A bottom mold is fixedly attached to a bottom plate. The tire press has a plurality of guide posts adapted to maintain proper alignment of the upper mold and the lower mold as the tire press opens and c...
10/28/2008
7399172Apparatus for vacuum forming an elastomeric tire
A vacuum forming apparatus and process for its use in forming a transport tire from an elastomeric material that includes a mold having a cavity or annular area wherein a transport tire core of plies, belt and beads is laid-up on a mandrel located within the mold. T...
07/15/2008
7276196Process for manufacturing a track and stripping device
A process for manufacturing a track formed from a circumferentially continuous belt made of elastomeric material and including an inner surface and an outer surface. The inner surface is provided with a plurality of drive blocks uniformly arranged on the circumferen...
10/02/2007
7189069Mold for forming an annular tread belt
A segmented annular mold for forming a tread belt having a reinforcing belt structure, the belt structure having a radial thickness (t) is disclosed. The mold has a plurality of radially movable and outwardly expandable inner segments for forming the inner surface o...
03/13/2007
7143799Three-dimensional sipes for treads
Both a mold blade for forming sipes and the sipe so formed in a tire tread element have three dimensional portions. In the formed sipe, the three dimensional portion creates a constant interlocking of the opposing sipe faces. The blade and the sipe have at least one...
12/05/2006
6942476Method and apparatus for changing tire identification means via magnetic inserts
The present invention comprises a mold having a wall with a recess defined therein and magnetic means, wherein an associated insert is adapted to be selectively held within the recess via the magnetic means, such that the insert is substantially flush with the wall....
09/13/2005
6932589Mold for a pneumatic tire
A mold for a pneumatic tire which contains a pair of bead portions, a pair of sidewall portions and a tread portion provided with a tread pattern formed by repeating a pattern unit around the tire at plural kinds of pitches in a sequence, wherein the mold includes a...
08/23/2005
6877502Multi-blade concrete cutting saw
The multi-blade concrete cutting saw cuts blocks of concrete or aerated concrete into equal sized slates with one pass through the saw. The cutting saw is supported by a frame having a base, an upper support structure and a pair of guide rails. A conveyor track tran...
04/12/2005
6817848Mold for molding a tire
A mold for molding a tire is provided, including at least two sub-molds that form a predetermined form as a whole when used for molding a tire. Each of the sub-molds has a venthole for discharging air from blockades formed between the surface of a green tire and tha...
11/16/2004
6716012Mold for a rubber track
A rubber track T has a plurality of guide lugs 50 arranged in two rows, one row being on each lateral edge. The guide lugs 50 of the first row are circumferentially offset from the guide lugs 50 of the second row. The track T is molded on an axi...
04/06/2004
6571845Low-section tire and mould and process for manufacturing a tire air tube
A low-section tire includes an air tube including an internal wall and two air tube sidewalls. The internal wall comprises a greater rigidity than the tube sidewalls so that, when a carcass and the tube are mounted on a rim, and during inflation, the tube...
06/03/2003
6564840Lamella of high stability for a vulcanization mold, vulcanization mold with such lamellas, vehicle tire with tire tread in which sipes are produced by such lamellas
A lamella for use in a vehicle tire vulcanization mold has projections and depression, wherein the height of the projections and the depth of the depressions extend substantially parallel to a peripheral surface of the tire tread of the vehicle tire to be...
05/20/2003
6551085Bladder for vulcanizer, vulcanizer using the same and vulcanizing-molding method
A bladder for a vulcanizer includes, as a constituent member, a low elongation material with stable properties at vulcanization temperatures. During a vulcanization-molding process, the bladder is pressed against the inner surface of a green tire using a ...
04/22/2003
6408910Tread including recessed channel and recessed incision and mold for tread
A tread for a tire having, on at least one lateral part, and radially to the inside of the running surface of said tread, a plurality of cavities oriented virtually transversely and opening onto at least one of the edges of the tread, the cavities being i...
06/25/2002
6202725Pneumatic tire and vulcanization mold used for the manufacture thereof
A pneumatic tire comprises a tread with a plurality of sipes, in which one of opposed wall faces of the sipe is a concave face arc-shapedly curved over a whole of the sipe in a depth direction thereof and the other wall face thereof is a convex face just ...
03/20/2001
6200915Silicone coated textile fabrics
A textile fabric which has been coated with an elastomer-forming silicone-based composition, comprising an organopolysiloxane polymer having a siloxane backbone being end-blocked with at least two silicon-bonded reactive groups, preferably alkenyl, a cros...
03/13/2001
6177366Two-layer coating system for airbag fabrics
This invention relates to novel airbag coating compositions comprising at least two separate and distinct layers. The first layer (base coat), being in contact with the airbag surface. comprises a composition of at least one coating material which may com...
01/23/2001
6177365Two-layered coating system for airbag fabrics
This invention relates to novel airbag coating compositions comprising at least two separate and distinct layers. The first layer (base coat), being in contact with the airbag surface, comprises a non-silicone composition of at least one coating material,...
01/23/2001
6169043Polyurethane/polyacrylate dispersion coating for airbag fabrics
This invention relates to novel airbag coating compositions comprising a mix of polyurethane and polyacrylate constituents which provides a highly effective low permeability treatment on a target fabric surface. This inventive composition also provides a ...
01/02/2001
6126426Vulcanization mold for manufacturing pneumatic vehicle tires comprising segments for forming the tire tread having a honeycomb lamella pattern and pneumatic vehicle tire manufactured in such a mold
A vulcanization mold for manufacturing pneumatic vehicle tires has mold segments for forming the tread strip of a pneumatic vehicle tire. The mold segments have a radially inwardly facing honeycomb lamella pattern in a radial direction of the vulcanizatio...
10/03/2000
6026875Vehicle tire with a tread exhibiting sipes substantially running in the axial direction
Vehicle tire and a metal sheet mold plate for forming the vehicle tire having at least one axial end section includes a tread that includes sipes running substantially axially in at least one of the axial end sections when viewed from the top (i.e., perpe...
02/22/2000
6017206Tire mold and tire molding process
The sector mold (11) is designed so that, during the molding phase, the molding elements (10, 10a, 10b, 10c) are all equidistant due to devices (13) which assure an elastic repulsion between each other. Some of the elements glide circumferentially with re...
01/25/2000
5950700Pneumatic tire and vulcanization mold therefor
A pneumatic tire comprises sipes in each land portion defined by wide-width grooves in a tread portion, in which a sipe corresponding to at least a part of these sipes comprises a pair of main portions slightly shifting to each other in the axial directio...
09/14/1999
5851557Rigid-core mold for annular treads intended, in particular, for the recapping of tires
An improved mold (1) for the molding and vulcanizing of annular treads inded, in particular, for the recapping of tires, which includes at least one rigid core (3) defining the inner surface of the tread and a collar (2) divided into sectors (21) which a...
12/22/1998
5693160Low aspect ratio pneumatic tire molded in specified mold
A pneumatic tire the aspect ratio of which is not more than 50% has, for reinforcing a tread portion, a belt comprising at least two rubber coated cord layers having cords arranged obliquely at angles with respect to an equatorial plane of the tire of 26Â...
12/02/1997
5667812Tire vulcanizing mold
A tire vulcanizing mold is divided into an upper-mold and a lower-mold in the tire axial direction. The upper and the lower molds have a base part with a molding surface for a tire-bead and a tire-sidewall, and a tread ring part with a molding surface for...
09/16/1997
5653847Enhanced 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 built tire relative to the mold segments and to install the ...
08/05/1997
5505600Die changer truck for use with tire vulcanizer
A die changer truck for use with a tire vulcanizer, including a self-propelled chassis adapted to halt in front of the tire vulcanizer, a swiveling table rotatably mounted on the self-propelled chassis, two mounting sections for respectively mounting two ...
04/09/1996
5466139Vulcanizer
A vulcanizer constructed in that a body structure which is wide in the vertical direction is provided above a lower frame for supporting a lower mold in such a manner that an opening/closing and tightening mechanism is disposed below a laterally extending...
11/14/1995
5403174Pneumatic radial tires
A pneumatic tire having improved high-speed running performances is manufactured by conducting vulcanization of a green tire with a mold provided at a position corresponding to a given position between neighborhood of shoulder portion and neighborhood of ...
04/04/1995
5378425Method for vulcanizing tire and apparatus therefor
A method for vulcanizing a tire wherein firstly heating medium is blown toward a tire internal surface from a supply opening arranged at a position above an equator of the tire in a mold and secondary pressurizing medium is blown toward the tire internal ...
01/03/1995
5354406Apparatus 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 relative to the mold segments and to install the mold segment...
10/11/1994
5256350Method and device for manufacturing tire forming bladders
A method and device for manufacturing tire forming bladders (2), whereby a curing mold (3) defines, via first and second half molds (4, 5) and an inner core (6), an inner molding chamber (7) inside which a precured reinforcing ply (72) is optionally inser...
10/26/1993
5208045Tire curing unit
A curing unit (1) (40) wherein a mold (2) is defined by first and second releasable half molds (3,4) moving in relation to each other along a first axis (6); the first half mold (3) being designed to turn about a second axis (30) perpendicular to the firs...
05/04/1993
5207849Method and device for stitching multilayer products of green elastomeric material
A method and device (1) for stitching multilayer products (2) of green elastomeric material, whereby an annular multilayer product (2) of green elastomeric material, particularly a product forming at least components of a tire (2), is placed inside a holl...
05/04/1993
5149545Central mechanism of tire vulcanizer
According to a central mechanism of a tire vulcanizer of the present invention, in a central mechanism of a tire vulcanizer in which a lower clamp ring holding a lower end portion of a bladder is fixed detachably to a lower ring having a passage of a vulc...
09/22/1992
5011397Apparatus for producing prevulcanized treads
An apparatus for producing prevulcanized tread particularly useful for the recapping of tires having, in stress-free condition, a constant curvature in its longitudinal direction whose radius corresponds substantially to that of the tires to be recapped, ...
04/30/1991
5011392Drain ejector in a tire vulcanizing machine
An ejector in a tire vulcanizing machine for ejecting the condensate of vulcanizing steam accumulated within a bladder to the outside of a tire includes a drain extraction pipe elevatably and rotatably supported in the machine and extending through a lowe...
04/30/1991
4984976Mold for making annular polymeric articles
A method of making annular polymeric articles in which a workpiece is placed on a cylindrical shaping surface and is divided about the perimeter into alternating first and second portions. Moulding is done in two stages, the first stage including moulding...
01/15/1991
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