Air exhaust jacket for tyre die

Air exhaust jacket for tyre die

  • CN 201,559,271 U
  • Filed: 12/17/2009
  • Issued: 08/25/2010
  • Est. Priority Date: 12/17/2009
  • Status: Active Grant
First Claim
Patent Images

1. tire-mold exhaust flange includes outer sleeve body (1) and is through stem stem (2) in the outer sleeve body endoporus;

  • Outer sleeve body is stretched out at the forward and backward two ends of stem stem, and the stem stem front end is provided with block head (3), and block head and outer sleeve body endoporus front end are provided with the sealing conical surface (4) that cooperatively interacts;

    It is characterized in that;

    the entity part that outer sleeve body is stretched out in stem stem (2) rear end is squeezed into the catch (5) of flat, the width of catch is greater than the diameter of outer sleeve body endoporus rear end, in its manufacture process, before flattening, stem stem (2) rear end do not penetrate from outer sleeve body endoporus front end earlier, after stretch out from the outer sleeve body rear end stem stem rear end, by mould it is flattened, form catch (5), withdraw from forward again thereby can limit stem stem;

    The stem stem periphery is with a compression spring (7), and on block head (3) inboard and the step (8) in the outer sleeve body endoporus that press respectively compression spring rear and front end, spring force can make stem stem move forward and above-mentioned block head is opened.

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