About 12 results
https://drivepatents.com/patents/939646 · 3 Aug 2016
To increase a restraining force to a belt layer and to improve the durability of the tire. A band layer (8) of a spirally wound band-like ply (11) includes: a first ply portion (16) extending from a starting end (11a) located between the tire equator (C) a...
https://drivepatents.com/patents/944019 · 27 Apr 2016
Method for producing a vehicle pneumatic tire with a tread having multiple layers in the radial direction, composed of at least one-layer tread cap (3, 3') and a tread base (2, 2'), wherein at least the tread cap (3, 3') consists of an electrically non-con...
https://drivepatents.com/patents/954904 · 23 Dec 2015
Strength carrier strip (1), suitable for producing a strength carrier layer (10) for elastomeric products, in particular for vehicle pneumatic tires, with at least two windings (12) wound or spooled around a structural unit (9), wherein the strength carrie...
https://drivepatents.com/patents/974395 · 28 May 2014
[Object] To provide a method for manufacturing a pneumatic tire 2 which is excellent in uniformity and durability. [Solution] The method for manufacturing the tire 2 is executed by using a former including a drum, a first head, and a second head. The manuf...
https://drivepatents.com/patents/982558 · 30 Oct 2013
Provided is a pneumatic tire which uses, as an inner liner layer, a laminated sheet obtained by laminating an air permeation preventing layer, made of any one of a thermoplastic resin and a thermoplastic elastomer composition containing a blend of the ther...
https://drivepatents.com/patents/1005266 · 15 Feb 2012
A tread rubber 2G comprises a base portion 9 made of electrically non-conductive rubber compounding silica and having a width substantially equal to a width of the tread reinforcing-cord layer 7; a conducting portion 11 made of the electrically conductive ...
https://drivepatents.com/patents/1015748 · 16 Feb 2011
A cord reinforcing layer 30 can be highly efficiently formed with easy control, and the amplitude and the wavelength of a wavy steel cord 32 can be made uniform throughout the cord reinforcing layer. When the wavy steel cord 32 (ribbon-like body 37) is wou...
https://drivepatents.com/patents/1066600 · 7 Jun 2006
A pneumatic tire includes a sidewall rubber 3G formed of a winding body 10 in which a rubber strip P is spirally wound in a circumferential direction of the tire. The winding body 10 includes an inner rubber layer 11 being formed by winding a rubber strip ...
https://drivepatents.com/patents/1069424 · 8 Mar 2006
A pneumatic tire (1) comprises a tread conductive part which is disposed on an inner side of a tread portion (2), and a tread rubber portion (22) comprising a rubber strip winding body in which a rubber strip (25) is spirally wound and superposed in a circ...
https://drivepatents.com/patents/1069553 · 1 Mar 2006
An object of the present invention is to provide a heavy-duty pneumatic tire and a method for manufacturing the same capable of effectively preventing occurrence of wrinkles and cracks on groove bottoms of main grooves. The heavy-duty pneumatic tire 1 incl...