1
Karl J Siegenthaler: Hot tire forming method. The Firestone Tire & Rubber Company, Ernst H Ruf, October 31, 1989: US04877468 (57 worldwide citation)

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 continuous pro ...


2
Scott D Tripp: Mechanical roof fastener. The Firestone Tire & Rubber Company, Ernst H Ruf, May 17, 1988: US04744187 (47 worldwide citation)

A mechanical fastener for securing a flexible sheet of an elastomeric material to the upper surface of a roof via the use of a plurality of such fasteners, each of which include upper and lower retaining members, wherein the latter are anchored to the roofing surface. Both of the retaining members a ...


3
James H C Yang, Walter Tomaszewski: Channel Connector. The Firestone Tire & Rubber Company, Ernst H Ruf, May 14, 1985: US04516874 (40 worldwide citation)

A channel connector for channel members, used in mechanical fastening systems for mechanically securing a flexible sheet relative thereto, each channel member being of generally rectangular form, in transverse cross section, and each channel connector being comprised of a flexible resilient material ...


4
J Robert Dieckmann, Richard E Burg, Louis Laurich, J Richard McCarty: Adjustable die mechanism. The Firestone Tire & Rubber Company, Ernst H Ruf, March 27, 1984: US04439125 (39 worldwide citation)

An adjustable die mechanism (10) for extruding a profiled strip of plastic or elastomeric material wherein a plurality of adjacent segments (44) is located upstream and in spaced relation from a final extrusion die assembly (32), having a predetermined profiled opening (38), with this plurality of s ...


5
Brian S Alexander, Daniel L Barksdale: Laminate cover and method for sealing a roofing membrane. Bridgestone Firestone, Ernst H Ruf, April 20, 1993: US05204148 (38 worldwide citation)

A laminate cover for sealing an opening in a weatherproof roofing membrane includes a top sheet of a weather resistant material, preferably an uncured butyl rubber EPDM material, and a complementary shaped and sized lower sheet of a lightly cured butyl rubber having opposed tacky surfaces. A layer o ...


6
Karl J Siegenthaler: Tire curing system. The Firestone Tire & Rubber Company, Ernst H Ruf, March 1, 1988: US04728274 (34 worldwide citation)

A tire curing apparatus in which a number of mobile curing units, each designed to house a respective green tire, are selectively and independently fed along a loop circuit having at least two parallel branches, the ends of which branches are connected to a common section extending through a station ...


7
Richard W Sicka, Dale A Tompkins: Coextrusion apparatus. The Firestone Tire & Rubber Company, Ernst H Ruf, March 25, 1986: US04578024 (31 worldwide citation)

A coextrusion head for producing a generally tubular elastomeric ply made up of first and second concentric tubular streams of elastomeric material having interposed, adjacent to their interface, a closely spaced array of parallel reinforcing elements wherein the coextrusion head includes a reinforc ...


8
Peter McDonald: Unified modular indicia marking for rubber articles. The Firestone Tire & Rubber Company, Ernst H Ruf, August 10, 1982: US04343342 (29 worldwide citation)

A pneumatic tire having indicia markings on each of its two sidewall surfaces contained within a plurality of sequentially adjacent modules forming a segmented annular band concentric with the tire sidewall. The modules on one sidewall surface are preferably located radially outwardly while the plur ...


9
Robert L Thomas: Synchronizer assembly. Clark Equipment Company, Ernst H Ruf, April 19, 1977: US04018319 (29 worldwide citation)

An improved synchronizer assembly for use with jaw tooth clutch means in speed change gearing of the type wherein an axially movable clutch sleeve is interposed between two gears rotatably journalled on the same shaft for the purpose of selectively connecting the gears with the shaft, with the assem ...


10
Louis W Shurman: Tire sidewall addition members that undergo perceptible change during abnormal operation. The Firestone Tire & Rubber Company, Ernst H Ruf, March 9, 1982: US04318436 (28 worldwide citation)

In the combination of detachable addition members with rubber articles, particularly tire sidewalls, wherein each article has a circumferentially discontinuous first coupling portion adapted to operatively interact with a second coupling portion on the addition member for securing the member to the ...