In 1608, Dutch eyeglass maker Hans Lipperhey filed the first patent for a working telescope. The patent was denied.
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| Number | Title | Issue Date |
| 7332047 | Adherent, removable barrier film for tire carcass A bond of a rubbery component to a virgin surface of a tire's cured innerliner which virgin surface has never been contaminated by the remnants of a release agent left after buffing with a wire brush and solvent-cleaning the cured innerliner, is unexpectedly stronge... | 02/19/2008 |
| 7172396 | Curing machine for producing tires for road vehicles and the like Two opposed coaxial discoidal elements (35, 37) are diametrically dilatable and are able to move independently of each other axially and pass axially into the tire (P) when the tire is positioned in the mold, in such a way as to dilate each of said discoidal ... | 02/06/2007 |
| 7074120 | Automated loaders or winders and related systems, devices and methods Automated loaders are configured with winding mechanisms that wind elongated products directly onto transfer members, such as sticks or rods, by causing the arm to follow a repetitive motion pattern above and below the stick or rod to discharge the elongated product... | 07/11/2006 |
| 7040975 | Automated supply, load and take-away systems and related devices and methods for lengths of elongated product Methods, systems, and associated devices for supplying support members to a product loading station, loading, and automatically removing loaded members therefrom include: (a) advancing in spaced-apart relationship, a plurality of carrier members having opposing firs... | 05/09/2006 |
| 6949213 | Vulcanizing mold for pneumatic tires A vulcanizing mold for pneumatic tires includes upper and lower base plates, upper and lower sidewall mold members attached to the upper and lower base plates, respectively; and upper and lower tread mold members attached to the upper and lower base plates, respecti... | 09/27/2005 |
| 6830722 | Method of manufacturing pneumatic tire and vulcanizing metal mold used for the method It is a method of manufacturing a pneumatic tire provided with a bead guard having an excellent appearance without forming spews and bare, wherein when a pneumatic tire (1) provided with a bead guard (5) of a trapezoidal shape at section is vulcanizati... | 12/14/2004 |
| 6159403 | Method of manufacturing sealant containing tire tube and vulcanizing apparatus therefor To provide a method of manufacturing a sealant containing tire tube, which is capable of simply opening a sealant filling hole without use of any specialized jig, and a vulcanizing die therefor. A vulcanizing die includes an upper die, a lower die, and a ... | 12/12/2000 |
| 6113832 | Lever for an automative door checking device and a method for manufacturing the same An improved method for manufacturing a lever for an automotive door checking device and the lever produced by the method. According to the invention, the mold employed for the molding of the sliding part of the lever has a gate at one of the two longitudi... | 09/05/2000 |
| 5798124 | Tire tread element mold chamfer to modify RCF and/or RSAT using the existing mold A method and apparatus for modifying residual cornering force (RCF) or residual self-aligning torque (RSAT) of a tire 12. The tire mold 30 is modified by removing or adding removable chamfer mold pieces or material 50,150 to the interior surface of the ti... | 08/25/1998 |
| 5415826 | Method and device for producing a pneumatic vehicle tire A method and a device for producing pneumatic vehicle tires in a radially divided vulcanization mold provides a space for the excess rubber material outside of the tire contour to be vulcanized and thereby improves the trueness of the vulcanized tire.... | 05/16/1995 |
| 5413652 | Process for manufacturing tires with white sidewall appliques A product and process for imparting decorative appliques to the sidewalls of tires during the curing operation are presented. In one embodiment, a spool of applique composite material is maintained for feeding into a tire mold or onto a transfer device, t... | 05/09/1995 |
| 5405568 | Two-piece segmented tire mold and method of molding A tire mold having an upper mold section and a lower mold section with mold segments mounted for sliding movement radially and axially between molding positions and unloading positions of the tire. Springs are provided between the mold segments and the mo... | 04/11/1995 |
| 5382402 | Tire mold and method of molding a tire by means of such a mold In order to assure excellent molding of the tire at the place of the markings appearing on the side wall of a tire, the shell of the mold has cutouts which correspond to the shape of the marking, the cutouts containing removable closures which admit mater... | 01/17/1995 |
| 5346663 | Method of producing a spliceless annular tread cap A method of producing a spliceless annular tread cap (2), whereby a portion (23) of an extruded tube (21) of green elastomeric material is fed inside an annular body (8), the inner annular surface (17) of which presents a diameter approximately equal to b... | 09/13/1994 |
| 5340294 | Circumferentially aligned detachable segmented curing mold for pneumatic tires and method of manufacturing same A curing mold for pneumatic tires includes a plurality of segments which are detachably adjoined with each other in a direction corresponding to circumferential direction of a product tire. Each segment has a plurality of fitting pieces with fixing portio... | 08/23/1994 |
| 5283022 | Restrictor for tire mold vent passage and method of use A tire molding system includes a mold having a surface defining a cavity for receiving and shaping an uncured tire. The uncured tire is pressed against the surface defining the cavity. Fluid is evacuated from between the uncured tire and the surface defin... | 02/01/1994 |
| 5281118 | Grooved envelope for recapping or retreading tires A vulcanized rubber device to envelop a tire being recapped or retreaded, when place in an autoclave to vulcanize the rubber strip cemented between the new tread and the treated tire. This device, has an annular form, with a "U" section, whose lateral sur... | 01/25/1994 |
| 5256348 | Tire shaping pressure control system and method A system for controlling the shaping fluid pressure in tire bladders in a tire molding press which senses the fluid pressure in the bladder used to shape the tire being loaded into the tire press; compares the sensed fluid pressure in the bladder with the... | 10/26/1993 |
| 5208044 | Vulcanizing mold The vulcanizing mold has an upper mold member, a lower mold member, a sector surrounding the space between the upper and lower mold members and an actuator movable upward and downward relative to the sector to move the sector radially outward and inward. ... | 05/04/1993 |
| 5207849 | Method 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 |
| 5205978 | Method of making pneumatic 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 ... | 04/27/1993 |
| 5201975 | Tire manufacture A tire is manufactured by assembling a tread package into a pattern ring and molding a tread thereon while partially precuring the package. The tire is further assembled by positioning an uncured carcass within the pattern ring so that the carcass contact... | 04/13/1993 |
| 5127811 | Bladderless type moulding apparatus A bladderless tire mold press for tires including lower and upper platens and a mechanism for moving the platens relatively toward one another from an open position to a closed molding position. Each of the platens includes side wall molds for molding the... | 07/07/1992 |
| 5128089 | Method of molding a tire In order to assure the geometric uniformity of a tire molded with a segment old when the sculpturing of said tire includes blocks 11 surrounded by recesses formed by grooves 15 and incisions 16, the said grooves 15 are thinned at the level of the joint pla... | 07/07/1992 |
| 4992035 | Vehicle tire mold An apparatus for the manufacture of pneumatic vehicle tires including a mold for forming a tread pattern on the ground contacting surface of the tire. The tread mold 23 has an inner surface 24 in which a closely fitting open network grid 10 is removably p... | 02/12/1991 |
| 4964792 | Upper metal mold clamp device in a tire vulcanizing machine An upper metal mold clamp device in a tire vulcanizing machine of the type that an upper metal mold is detachably fixed to a bolster by rotating clamp rods vertically penetrating through the bolster and provided with clamp claws at their bottom ends, is i... | 10/23/1990 |
| 4950142 | Green tire inserting apparatus in a tire vulcanizing machine A green tire inserting apparatus with which upper and lower bead portions of a green tire can be inserted correctly and surely into bead rings of upper and lower metal molds. An upper bead portion and a lower bead portion of a green tire are gripped in a ... | 08/21/1990 |
| 4878822 | Tire recapping curing jacket A curing jacket for use in conjunction with a tire to be recapped having a pair of sidewalls and a tread. The curing jacket includes a unitary tubular envelope having first and second edges. The curing jacket is sized to encase the tire by extending aroun... | 11/07/1989 |
| 4865532 | Apparatus for vulcanizing pneumatic vehicle tires An apparatus for vulcanizing pneumatic vehicle tires where the tire beads, in the mounted state, are disposed on the radially inner periphery of a rim next to the essentially radially inwardly extending rim flanges. In order to obtain tires having a long ... | 09/12/1989 |
| 4854840 | Mold gate having multiple valve stem receiving apertures 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 cur... | 08/08/1989 |
| 4828471 | Tire curing mold A split mold type tire curing mold includes a plurality of sectors mounted on the mold base and movable radially inwardly to a closed position wherein the sectors cooperate to form a closed ring for exerting an inwardly directed force on the periphery of ... | 05/09/1989 |
| 4799871 | Unloader mechanism for use with a vulcanizing machine An unloader machanism for removing a cured tire from a lower mold of a vulcanizing machine and which includes a horizontally movable frame body, a fluid cylinder fixedly mounted on the frame body and a grappling unit being vertically movable by the fluid ... | 01/24/1989 |
| 4741682 | Tire molding press A tire molding press having a fixed bed and a crosspiece, which crosspiece is designed to travel, by virtue of a crank mechanism, along vertical guides formed partly along the uprights and partly along extensions of the same; the guide portions extending ... | 05/03/1988 |
| 4725212 | Tire curing press and loader A tire press of the slideback type has mounted on the press head beam a precision loader for the uncured tires. The beam moves vertically and then laterally or horizontally while maintaining the top mold section in parallelism with the bottom mold section... | 02/16/1988 |
| 4616986 | Light weight tire mold for two piece tread ring A mold for molding tires having complimentary sidewall rings and mating with a split tread ring having two halves each being a single cast piece having the tire tread pattern indicia on the inside thereof and extending from the inside tread pattern all th... | 10/14/1986 |
| 4582470 | Apparatus for vulcanizing a tire An apparatus and method for vulcanizing a tire using a pair of split dies which form a tire receiving space between them when the dies are closed. The dies include sealing surfaces within the space and adjacent the axially outer surfaces of the tire beads... | 04/15/1986 |
| 4580959 | Made to tire-vulcanizing molds There is described a tire vulcanizing press, comprising a frame provided with a lower supporting plate for allowing a mold for vulcanizing the tires to rest upon, and an upper plate that is mobile with respect to the lower plate. The mold comprises a lowe... | 04/08/1986 |
| 4563139 | Mold clamping mechanism for tire curing machines A mold clamping mechanism for a tire curing press, including a press base, a lower mold cavity provided on the press base, an upper mold cavity opposingly mounted to the lower mold cavity and vertically movable toward and away from the lower mold cavity, ... | 01/07/1986 |
| 4548564 | Self-alignment apparatus for molds of a tire vulcanizing press A tire press has a feature decoupling the mold closing force torque from the platens 3 and 22 supporting the press mold halves 4 and 11 using a spherical seat located between the platens 3 and 22 and the press member supplying the closing force to provide... | 10/22/1985 |
| 4545750 | Apparatus for vulcanizing a tire This disclosure relates to apparatus for vulcanizing a tire, and includes a pair of generally annular split dies which are axially movable relative to each other, and a pair of generally circular supports surrounded by the dies. The supports include bead ... | 10/08/1985 |