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The Firestone Tire & Rubber Company Patents |
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Assignee: The Firestone Tire & Rubber Company
Address: Akron, OH
No. of patents: 568
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| T967004 |
Transparent impact polystyrene plastics of di-block copolymers |
February 7, 1978 |
| a transparent di-block copolymer of styrene and butadiene is produced which contains 70 to 90 percent of block styrene, or preferably 75 to 85 percent of block styrene. The copolymer is suitable for use in the manufacture of packaging films and molded items, including egg cartons, boxes |
| T965002 |
Steam treatment of vulcanized-scrap-rubber pyrolysis char |
December 6, 1977 |
| scrap rubber is pyrolyzed in the substantial absence of air and treated with steam. The steam treatment can be carried out simultaneously with the pyrolysis or subsequently or it may be carried out both in part simultaneously with the pyrolysis and subsequently. Different products are |
| T958004 |
Hot-melt adhesive, and wood composite structures produced therewith |
May 3, 1977 |
| a hot-melt adhesive is shown which contains 75 to 99 parts by weight of depolymerized scrap rubber. From 1 to 25 parts by weight of an additive are included. The additive can include an elastomer, a resin, or a filler, or any combination thereof. The depolymerized scrap rubber is produce |
| T953011 |
Transparent impact polystyrene plastics of multiple block copolymers |
December 7, 1976 |
| A transparent copolymer of butadiene and styrene of the BSBS type is produced which contains 60 to 90 per cent of block styrene, or preferably 70 to 85 per cent of block styrene. The copolymer is suitable for use in the manufacture of packaging films and molded items, including egg c |
| D304562 |
Tire |
November 14, 1989 |
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| D302961 |
Tire |
August 22, 1989 |
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| D301857 |
Tire |
June 27, 1989 |
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| D299711 |
Tire |
February 7, 1989 |
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| D299331 |
Tire |
January 10, 1989 |
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| D299330 |
Tire |
January 10, 1989 |
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| D299329 |
Tire |
January 10, 1989 |
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| D299328 |
Tire |
January 10, 1989 |
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| D295036 |
Tire |
April 5, 1988 |
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| D295035 |
Vehicle tire |
April 5, 1988 |
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| D294135 |
Tire |
February 9, 1988 |
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| D294133 |
Tire |
February 9, 1988 |
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| D289275 |
Tire |
April 14, 1987 |
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| D288917 |
Tire |
March 24, 1987 |
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| D288916 |
Tire |
March 24, 1987 |
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| D288680 |
Tire |
March 10, 1987 |
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| D284363 |
Tire |
June 24, 1986 |
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| D283216 |
Tire |
April 1, 1986 |
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| D283215 |
Tire |
April 1, 1986 |
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| D283214 |
Tire |
April 1, 1986 |
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| D283212 |
Tire |
April 1, 1986 |
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| D282457 |
Tire |
February 4, 1986 |
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| D282456 |
Tire |
February 4, 1986 |
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| D282455 |
Tire |
February 4, 1986 |
|
| D281238 |
Tire |
November 5, 1985 |
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| D279971 |
Tire |
August 6, 1985 |
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| D279891 |
Tire |
July 30, 1985 |
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| D279091 |
Tire for road vehicles |
June 4, 1985 |
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| D278524 |
Tire |
April 23, 1985 |
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| D278220 |
Tire |
April 2, 1985 |
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| D278219 |
Tire |
April 2, 1985 |
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| D278137 |
Tire |
March 26, 1985 |
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| D277272 |
Tire tread and buttress |
January 22, 1985 |
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| D277174 |
Tire tread and buttress |
January 15, 1985 |
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| D274612 |
Tire |
July 10, 1984 |
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| D270723 |
Tire |
September 27, 1983 |
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| D270042 |
Carton |
August 9, 1983 |
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| D265813 |
Tire |
August 17, 1982 |
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| D258816 |
Stroller |
April 7, 1981 |
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| 4877468 |
Hot tire forming method |
October 31, 1989 |
| A hot tire forming method whereby at least some of the elements constituting each tire are formed starting from respective masterbatches, which are mixed with given chemical compounds inside respective continuous mixers to obtain respective final mixes, which are hot-fed to respective |
| 4874443 |
Method for applying elastomeric material onto a drum |
October 17, 1989 |
| 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 possible edge distortion of known gu |
| 4858505 |
Pivotable knife |
August 22, 1989 |
| A means and method for applying a stabilizer ply to a tire building drum and more particularly a means and method for cutting and applying the stabilizer ply material and specifically means for cutting the stabilizer ply material between cords disposed therein and correcting for variatio |
| 4857749 |
Apparatus and method for measuring the spacing between the cords of a fabric |
August 15, 1989 |
| An apparatus and method for measuring the distance between center lines in pairs of cords located in a web of cords. A laser beam passes through an expander which enlarges the beam. The enlarged beam is directed by mirrors to a prism and cylindrical lens through a cube beam splitter to f |
| 4857123 |
Method for ply application |
August 15, 1989 |
| A means and method for applying a stabilizer ply to a tire building drum and more particularly a means and method for cutting and applying the stabilizer ply material and specifically means for cutting the stabilizer ply material between cords disposed therein and correcting for variatio |
| 4854840 |
Mold gate having multiple valve stem receiving apertures |
August 8, 1989 |
| A mold gate for an inner tube mold is provided with a plurality of apertures for selectively receiving valve stems therein for bonding to the inner tube. A plug is inserted into each of the nonselected apertures to enable the single gate to be used to cure inner tubes having different |
| 4853069 |
Elastomeric structures having controlled surface release characteristics |
August 1, 1989 |
| Elastomer structures having exposed controlled surface release characteristics can be made by coating at least a portion of their surface with a releasing composition comprising (a) a chlorosulphonated polymer; (b) a reinforcing filler and (c) a green tackifying agent. Optionally, th |
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