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    TAPERED INSERTS
    1.
    发明专利
    TAPERED INSERTS 未知

    公开(公告)号：ZA762158B

    公开(公告)日：1977-04-27

    申请号：ZA762158

    申请日：1976-04-09

    Applicant: RAYCHEM CORP

    Inventor： MARTIN C

    IPC: F16B1/00 ,  F16B4/00 ,  F16L21/08 ,  F16L13/00 ,  F16L19/06 ,  F16L19/075 ,  F16L19/08 ,  F16L37/08 ,  H01R4/01

    Abstract: Described herein are heat recoverable composite couplings comprising an outer, tubular heat-shrinkable sleeve and a hollow insert member adapted to receive plural substrates. The insert member has a tapered surface to allow it to accommodate substrates of different sizes. Recovery of the outer member forces the insert member into secure contact with the substrate forming a union between the substrates.

    HIGH RECOVERY DRIVERS
    3.
    发明专利
    HIGH RECOVERY DRIVERS 未知

    公开(公告)号：ZA762159B

    公开(公告)日：1977-04-27

    申请号：ZA762159

    申请日：1976-04-09

    Applicant: RAYCHEM CORP

    Inventor： MARTIN C

    IPC: B21D39/04 ,  B23P11/00 ,  B23P11/02 ,  B29C61/06 ,  F16B1/00 ,  F16B4/00 ,  F16L13/00 ,  F16L21/00 ,  F16L

    Abstract: Described herein are composite devices comprising two members. The first member is a heat recoverable driving member and the second is a metallic member associated with the first in such a way that upon heat recovery of the driver, the second member is dimensionally altered to engage a substrate. In one embodiment, useful for example as a composite coupling for joining cylindrical substrates, the driver comprises a tubular heat recoverable compression sleeve having a generally uniform interior surface. In this embodiment, the second member comprises a tubular insert snugly, and concentrically disposed within the sleeve. Although both its interior and exterior surfaces may be uniform, preferably one or both surfaces has a weakened portion to facilitate its deformation or bears integral radial teeth or a combination thereof. Upon heat recovery of the compression sleeve, the insert is compressed about the substrate. In another embodiment, the driver is positioned internally of the second member. Expansive heat recovery of the driver expands the second member to engage the substrate. In other embodiments, one or more members of the device can be made from a gall-prone metal to facilitate engagement of the device to a substrate or to facilitate engagement between members of the device.

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