Self-reinforcing flexible sealing gasket and manufacture method thereof
A technology of flexible sealing and manufacturing method, applied in the direction of engine sealing, engine components, mechanical equipment, etc., can solve the problems of loss of sealing performance, influence of sealing effect, poor sealing performance, etc., to achieve stable sealing specific pressure and enhance adaptability Effect
Inactive Publication Date: 2009-04-08
SUZHOU BMC SEALING TECH CO LTD
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- Abstract
- Description
- Claims
- Application Information
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Problems solved by technology
[0002] In the prior art, sealing gaskets are mostly made of asbestos, rubber and other materials. Due to the poor ability of such materials to withstand stress, after a period of use, due to the effects of pressure and ambient temperature, the sealing gaskets are prone to aging or Loose, poor sealing performance or even loss of sealing performance, and easy to bend and deform during installation, which affects the sealing effect
There are also sealing gaskets made of metal materials. Due to the limited compression and rebound performance of metal materials, the scope of application is narrow
Method used
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[0020] see Figure 1-3 As shown, the present invention relates to a self-reinforced flexible sealing gasket, which includes a metal tube formed by laminating two special-shaped metal rings 3, and a cladding 4 installed on the upper surface and the lower surface of the metal tube. There is a gap 7 between the two special-shaped metal rings 3, as figure 2 As shown, a weld 6 is formed at the butt joint of the inner ring and the outer ring of the two stacked special-shaped metal rings 3 , and the two special-shaped metal rings 3 are welded and fixed at the inner ring and the outer ring.
[0021] The upper surface and the lower surface of the metal pipe are respectively provided with grooves 9, the depth of the groove 9 is 0-10 mm, and the width of the groove 9 is 0-200 mm. The layer 4 is installed in the groove 9, and the cladding 4 protrudes from the surface of the metal pipe by 0.1-20mm.
[0022] The upper and lower surfaces of the sealing gasket are its sealing surfaces, and...
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Abstract
The invention offers a kind of self-strengthen flexibility sealing gasket and the manufacturing method of it. The produced sealing gasket includes a metallic conduit which is formed by couching the two sketch metallic loops together and the two sketch metallic loops are installed at the upper and lower surfaces' clad of the metallic conduit. Between the two sketch metallic loops there is a gap and fix the two sketch metallic loops at the site of the inner circle and the outer circle by welding. There is a connecting hole at the site of on one sketch metallic loop at least near to the inner circle which is connectivity with the gap. The diameter of connecting hole said above is 0.1~10 mm. The connecting hole makes the sealing gasket at the moment that installed and used among the pipe flanges and the pressure in the inner of conduit is lead into the lumen between the two metallic loops through the connecting hole and then implements the self-strengthen affection of sealing gasket by making use of the medium pressure and stabilizes the sealing specific pressure and enhances the adaptability of the flexibility sealing gasket. Because the metallic conduit is consisted of two sketch metallic loops which are couching together it can use in the specific sealing gasket with the rib and others sketch structure sealing gasket.
Description
technical field [0001] The invention relates to a sealing gasket and a manufacturing method thereof, in particular to a flexible sealing gasket and a manufacturing method thereof. Background technique [0002] In the prior art, sealing gaskets are mostly made of asbestos, rubber and other materials. Due to the poor ability of such materials to withstand stress, after a period of use, due to the effects of pressure and ambient temperature, the sealing gaskets are prone to aging or Loose, poor sealing performance or even loss of sealing performance, at the same time, it is easy to bend and deform during installation, which affects the sealing effect. There are also sealing gaskets made of metal materials, which have a narrow range of application due to the limited compression and rebound performance of metal materials. Contents of the invention [0003] The object of the present invention is to provide a self-reinforced flexible sealing gasket and its manufacturing method, ...
Claims
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IPC IPC(8): F16J15/12
Inventor 马志刚
Owner SUZHOU BMC SEALING TECH CO LTD