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    PNEUMATIC TIRE
    2.
    发明专利
    PNEUMATIC TIRE 未知

    公开(公告)号：CA1315652C

    公开(公告)日：1993-04-06

    申请号：CA544941

    申请日：1987-08-20

    Applicant: BRIDGESTONE CORP

    Inventor： WATANABE TADASHI ,  NISHIDE SEIICHIRO

    IPC: B60C9/00

    Abstract: A pneumatic tire comprising a carcass having two opposite beads and extending from one bead to the other bead, a tread portion disposed radially outwardly of the carcass and extending in a circumferential direction of the tire, a belt of steel cord material disposed between the carcass and the tread portion, the belt having two laterally opposite end portions, and a reinforcing layer disposed between the tread portion and the belt. The reinforcing layer is formed by spirally hooping a continuous ribbon material on the belt. The continuous ribbon material is composed of a plurality of nylon cords covered with rubber. The reinforcing layer is varied in cord density laterally of the tire by varying a hooping pitch of the ribbon material laterally of the tire and hooping the ribbon material in two or more layers.

    3.
    发明专利
    未知

    公开(公告)号：ES2081845T3

    公开(公告)日：1996-03-16

    申请号：ES89308951

    申请日：1989-09-05

    Applicant: BRIDGESTONE CORP

    Inventor： SUMIUCHI MASAHARU ,  NISHIDE SEIICHIRO

    IPC: B23Q7/04 ,  B29D30/08 ,  B29D30/26 ,  B60B30/04 ,  B65G47/30 ,  B65G47/82

    Abstract: A transfer apparatus for tire constituting members transfers them from a pre-process drum such as a carcass band forming drum (5) to a post-process drum such as a tire forming drum (19). The apparatus includes a movable frame (39) movable between the pre-process drum and the post-process drum, a holder (44, 49) mounted on the movable frame so that the holder is able to surround and grasp the tire constituting member, and a correction mechanism (166) mounted on the holder on a near side to the post-process drum to expand an axial end of the tire constituting member which is tapered due to rubber contraction and gravity for correcting the tire constituting member into a substantially cylindrical shape.

    TRANSFER APPARATUS FOR TIRE CONSTITUTING MEMBERS
    6.
    发明专利
    TRANSFER APPARATUS FOR TIRE CONSTITUTING MEMBERS 未知

    公开(公告)号：CA1339252C

    公开(公告)日：1997-08-12

    申请号：CA609510

    申请日：1989-08-28

    Applicant: BRIDGESTONE CORP

    Inventor： SUMIUCHI MASAHARU ,  NISHIDE SEIICHIRO

    IPC: B23Q7/04 ,  B29D30/08 ,  B29D30/26 ,  B60B30/04 ,  B65G47/30 ,  B65G47/82 ,  B29D30/00

    Abstract: TRANSFER APPARATUS FOR TIRE CONSTITUTING MEMBERS A transfer apparatus for tire constituting members transfers them form a pre-process drum such as a carcass band forming drum to a post-process drum such as a tire forming drum. The apparatus includes a movable frame movable between the pre-process drum and the post-process drum, a holder mounted on the movable frame so that the holder is able to surround and grasp the tire constituting member, and a correction mechanism mounted on the holder on a near side to the post-process drum to expand an axial end of the tire constituting member which is tapered due to rubber contraction and gravity for correcting the tire constituting member into a substantially cylindrical shape.

    METHOD OF BENDING BACK TIRE COMPONENT AND APPARATUS FOR SAID BENDING-BACK
    7.
    发明专利
    METHOD OF BENDING BACK TIRE COMPONENT AND APPARATUS FOR SAID BENDING-BACK 未知

    公开(公告)号：CA2005148C

    公开(公告)日：1994-10-04

    申请号：CA2005148

    申请日：1989-12-11

    Applicant: BRIDGESTONE CORP

    Inventor： NISHIDE SEIICHIRO ,  SUEYASU MASATO ,  YONEZAWA TAKESHI ,  SUMIUCHI MASAHARU ,  OGAWA HIROSHI

    IPC: B29D30/32 ,  B29D30/00

    Abstract: A method of bending back a tire component, comprising a step in which the diameters of a pair of cylindrical bodies, whose diameters can be increased and decreased, are decreased to a minimum value to hold beads by the bodies, respectively, and the beads are set in prescribed positions on the component wound on a forming drum; a step in which the diameters of the bodies are increased to an intermediate value and the bladders of the drum are inflated so that the component is pinch-held at both the side edges thereof by the bladders and the bodies; a step in which the bodies are moved to positions located nearly outside the beads in the radial directions of the bodies, so that both the side edges of the component are moved outward in the radial directions of the bodies as the component remains in pressure contact with the beads near the side edges; and a step in which the diameters of the bodies are increased to a maximum value and the bodies are thereafter moved toward the longitudinally central portion of the drum so that the component is bent back at both the side edges thereof around the beads by the bodies, the bladders and the body of the drum.

    9.
    发明专利
    未知

    公开(公告)号：DE3780311D1

    公开(公告)日：1992-08-13

    申请号：DE3780311

    申请日：1987-08-31

    Applicant: BRIDGESTONE CORP

    Inventor： WATANABE TADASHI ,  NISHIDE SEIICHIRO

    IPC: B60C9/20 ,  B60C9/22 ,  B60C9/26

    Abstract: Pneumatic tyre has a belt layer disposed between a cord material carcass and a tread portion and a reinforcing layer between the belt layer and the tread portion. The reinforcing layer is formed of a ribbon like structure of rubberised cord which is hooped spirally on the belt in the circumferential direction.

    TRANSFERRING DEVICE OF COMPOSING MEMBER OF TIRE
    10.
    发明专利
    TRANSFERRING DEVICE OF COMPOSING MEMBER OF TIRE 失效

    公开(公告)号：JPH0270425A

    公开(公告)日：1990-03-09

    申请号：JP22283988

    申请日：1988-09-06

    Applicant: BRIDGESTONE CORP

    Inventor： SUMIUCHI MASAHARU ,  NISHIDE SEIICHIRO

    IPC: B23Q7/04 ,  B29D30/08 ,  B29D30/26 ,  B60B30/04 ,  B65G47/30 ,  B65G47/82

    Abstract: PURPOSE:To easily fit a composing member of a tire to a drum for post- treatment thereby to improve the working efficiency by providing a holder which is adapted to grasp said tire composing member from an outer side thereof, and a reforming mechanism mounted at the side adjacent to said post- treating drum of said holder which reforms said tire composing member approximately into a cylindrical shape by extending an end portion adjacent to said post-treating drum of said member in an axial direction. CONSTITUTION:After a moving frame is moved close to a pre-treating drum 5, an outer side of a tire composing member K is grasped by a holder 50. The member K is then transferred by the moving frame from the pre-treating drum 5 to a post-treating drum 19. At this time, although both end portions in an axial direction of the flexible member K tend to be deformed into a tapered configuration because of the shrinkage of rubber and their own weight, the end portions adjacent to the drum 19 are extended and reformed to be approximately into a cylindrical shape by a reforming mechanism 166. Therefore, an interference between the member K and the drum 19 is not given rise to at all at the fitting start of the member K. Accordingly, the member K is easily fitted into the drum 19, thereby improving the working efficiency.

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