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1.发明授权
公开(公告)号：US3956546A
公开(公告)日：1976-05-11
申请号：US160675
申请日：1971-07-08
CPC分类号： D04B23/12 , B60C9/0042 , B60C9/2204 , Y10T152/10783 , Y10T156/12 , Y10T156/17 , Y10T428/15 , Y10T428/24686 , Y10T428/24711 , Y10T428/2922 , Y10T428/296
摘要： The single-stage building of 0.degree. belted pneumatic tires completely in flat band form on standard building drums, is disclosed. The feasibility of the process rests on the provision of the substantially inextensible metallic or non-metallic belt cords in the form of longitudinally extensible high "soft stretch" tapes. In a preferred version of the invention, the tape is composed of a plurality of cords each having formed therein a multiplicity of undulations which in any given straight length of the tape are substantially planar, the cords being disposed in side by side relation so that the planes of the undulations of each cord are generally parallel to the planes of the undulations of each adjacent cord, and the cords together with a relatively weak and frangible but only minimally undulated stabilizing yarn for the tape being secured to each other and held in their undulating state by a relative weak, chain stitch knitted, frangible stitching yarn or thread. The belt-forming structure is built by helically winding such tape circumferentially of the building drum in the medial region of the still cylindrical or flat band carcass at an angle of substantially 90.degree. to a plane including the common axis of the carcass and the building drum, with the undulations of the cords "on end", i.e. in planes generally normal to the surface of the building drum. Upon the raw tire then being radially expanded into its toroidal form, the stabilizing and stitching yarns break and the cords are straightened out, resulting in the formation of a mono-ply, plural-lead, helical cord 0.degree. belt in the shaped tire. The "soft stretch" of the tape used, i.e. the ratio of the length of the component cords when fully straightened without stretching, to the length of the unextended tape, may be as low as about 20% or as high as about 400%, depending on the extent to which, for any given tire, the belt-forming structure will have to expand radially from its starting diameter on the building drum to the final belt diameter in the toroidally shaped tire. Each cord may additionally be locally weakened at a multiplicity of longitudinally spaced points to facilitate a possible stretching or elongation of the cords after the same have been fully straightened out during the radial expansion of the belt. In any such tape, the component cords must be phased relative to each other to dispose the respective weakened portions of each cord out of lateral alignment with the weakened portions of at least each next adjacent cord, and the weakening interval should preferably be so selected that in the final belt the weakened portions are out of lateral alignment with each other in directions parallel to the tire axis. The full nature and extent of the invention is discernible, however, only by reference to the entire disclosure.
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公开(公告)号：US4050973A
公开(公告)日：1977-09-27
申请号：US359191
申请日：1973-05-10
CPC分类号： D04B23/12 , B29D30/22 , B60C9/0042 , B60C9/2204
摘要： The single-stage building of 0.degree. belted pneumatic tires completely in flat band form on standard building drums, is disclosed. The feasibility of the process rests on the provision of the substantially inextensible metallic or non-metallic belt cords in the form of longitudinally extensible high "soft stretch" tapes. In a preferred version of the invention, the tape is composed of a plurality of cords each having formed therein a multiplicity of undulations which in any given straight length of the tape are substantially planar, the cords being disposed in side by side relation so that the planes of the undulations of each cord are generally parallel to the planes of the undulations of each adjacent cord, and the cords together with a relatively weak and frangible but only minimally undulated stabilizing yarn for the tape being secured to each other and held in their undulating state by a relative weak, chain stitch knitted, frangible stitching yarn or thread. The belt-forming structure is built by helically winding such tape circumferentially of the building drum in the medial region of the still cylindrical or flat band carcass at an angle of substantially 90.degree. to a plane including the common axis of the carcass and the building drum, with the undulations of the cords "on end", i.e. in planes generally normal to the surface of the building drum. Upon the raw tire then being radially expanded into its toroidal form, the stabilizing and stitching yarns break and the cords are straightened out, resulting in the formation of a mono-ply, plural-lead, helical cord 0.degree. belt in the shaped tire. The "soft stretch" of the tape used, i.e. the ratio of the length of the component cords when fully straightened without stretching, to the length of the unextended tape, may be as low as about 20% or as high as about 400%, depending on the extent to which, for any given tire, the belt-forming structure will have to expand radially from its starting diameter on the building drum to the final belt diameter in the toroidally shaped tire. Each cord may additionally be locally weakened at a multiplicity of longitudinally spaced points to facilitate a possible stretching or elongation of the cords after the same have been fully straightened out during the radial expansion of the belt. In any such tape, the component cords must be phased relative to each other to dispose the respective weakened portions of each cord out of lateral alignment with the weakened portions of at least each next adjacent cord, and the weakening interval should preferably be so selected that in the final belt the weakened portions are out of lateral alignment with each other in directions parallel to the tire axis. The full nature and extent of the invention is discernible, however, only by reference to the entire disclosure.
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公开(公告)号：US5452395A
公开(公告)日：1995-09-19
申请号：US134365
申请日：1993-10-08
申请人： Daniel Schichman , Oleg Shikhman
发明人： Daniel Schichman , Oleg Shikhman
CPC分类号： G02B6/032 , A61B90/36 , A61B17/00234 , A61B2018/206 , A61B90/30
摘要： Generally stated, the present invention is directed to a liquid light guide for surgical instrumentation, which includes a flexible elongated tube having first and second end portions, first and second light transmissive members disposed at respective first and second end portions of the elongated tube to substantially seal an interior portion of the elongated tube and a light transmissive medium filing the interior portion of the elongated tube. The preferred light transmissive medium comprises a heavy mineral oil having a specific gravity greater than or equal to about 0.86. Preferred light transmissive members are drawn glass rods having polished ends and an index of refraction substantially equal to the transmissive medium. The liquid light guide of the present invention is capable of providing nearly 100% light transmission over the entire visible spectral range while substantially reducing undesired transmission of infrared and ultraviolet radiation. The light guide is contemplated to be used with an endoscope and is cost-effective to manufacture such that the light guide may be disposed of after a single use. Methods of making and using the disposable light guide also are disclosed.
摘要翻译： 一般来说，本发明涉及一种用于外科器械的液体光导，其包括具有第一和第二端部的柔性细长管，第一和第二透光构件，其设置在细长管的相应的第一和第二端部处， 密封细长管的内部部分，以及填充细长管的内部的透光介质。 优选的透光介质包括比重大于或等于约0.86的重矿物油。 优选的透光构件是具有抛光端部和折射率基本上等于透射介质的拉制玻璃棒。 本发明的液体光导能够在整个可见光谱范围内提供接近100％的透光率，同时基本上减少红外和紫外辐射的不期望的透射。 光引导件被认为与内窥镜一起使用，并且制造成本有效，使得光导可以在单次使用之后被处置。 公开了制造和使用一次性光导的方法。
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公开(公告)号：US4332536A
公开(公告)日：1982-06-01
申请号：US138589
申请日：1980-04-09
申请人： Anand P. Singh , Daniel Schichman
发明人： Anand P. Singh , Daniel Schichman
CPC分类号： B29D30/0601 , B29D30/0649
摘要： A dual cavity hydraulic tire press utilizes a single long stroke piston-cylinder assembly vertically positioned substantially in line with the center of gravity of the vertically movable upper mold sections, the latter being supported on the underside of the outer ends of a shallow V-shaped beam which is mounted for vertical movement on a readily removable column or post. In the closed position of the press the top mold cavities are locked to the base of the press by rotatable bayonet locks. Four short stroke hydraulic clamp piston-cylinder assemblies are positioned beneath each bottom mold section to achieve clamping pressure during cure and are provided with extended coolant passages between the clamp actuating fluid and the heat of the mold cavity to preclude degradation of the fluid employed.
摘要翻译： 双腔液压轮胎压榨机利用单个长行程活塞 - 气缸组件，其垂直定位，基本上与可垂直运动的上模具部分的重心一致，后者被支撑在浅V形的外端的下侧 梁，其被安装用于在容易移除的柱或柱上垂直运动。 在压力机的关闭位置，顶部模腔通过可旋转的卡口锁定件锁定在压机的底部。 四个短行程液压夹具活塞 - 气缸组件位于每个底部模具部分下方，以在固化期间实现夹紧压力，并且在夹紧致动流体和模腔的热量之间设置有延伸的冷却剂通道，以排除所使用流体的退化。
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