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Novel serrated gasket

A tooth shape and gasket technology, applied in the direction of engine sealing, engine components, mechanical equipment, etc., can solve problems such as flange loss, improve compressive strength, improve compressive strength and high temperature resistance, and improve sealing effect. Effect

Inactive Publication Date: 2013-12-04
镇江春环密封件集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It can also be used directly without a sealing layer, and can achieve a good sealing effect, but it is easy to cause damage to the surface of the flange in high-pressure situations

Method used

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  • Novel serrated gasket

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Embodiment Construction

[0016] Below in conjunction with accompanying drawing, the utility model is further described.

[0017] As shown in the figure, the utility model is a new type of toothed gasket, which includes a body 1, wherein the upper and lower ends of the body 1 are evenly provided with toothed grooves 2; both ends of the body 1 are provided with positioning grooves 3; The surface of the tooth-shaped groove 2 is provided with a polytetrafluoroethylene film 4; the tooth-shaped groove 2 is made of metal fibers; the positioning groove 3 is a convex square, and is symmetrically arranged; the thickness of the polytetrafluoroethylene film 4 is 0.2mm-0.5mm; the serrated angle of the toothed groove 2 is 90 degrees.

[0018] The utility model is a new tooth-shaped gasket, through the action of the tooth-shaped groove 2, the positioning groove 3 and the polytetrafluoroethylene film 4, the compressive strength, high temperature resistance and corrosion resistance of the tooth-shaped gasket can be ef...

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PUM

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Abstract

The invention discloses a novel serrated gasket comprising a body. Both upper and lower end faces of the body are provided with even serrated grooves. Two ends of the body are provided with positioning projections. The serrated grooves are covered with polytetrafluoroethylene film. The novel serrated gasket has the advantages that the serrated grooves, the positioning projections and the polytetrafluoroethylene film allow compression strength, high temperature resistance and corrosion resistance in the serrated gasket to be improved effectively, and usability and sealing performance of the novel serrated gasket are improved greatly.

Description

technical field [0001] The utility model relates to a gasket, in particular to a novel toothed gasket. Background technique [0002] The serrated gasket refers to the concentric grooves processed on the two sides of the metal stainless steel flat gasket by a precision lathe. According to different media, flexible graphite, PTFE, asbestos-free board or other soft metals can be selected and pasted on Both sides of the gasket. It can also be used directly without a sealing layer, and can achieve a good sealing effect, but it is easy to cause damage to the surface of the flange in high-pressure situations. Utility model content [0003] The purpose of this utility model is to overcome the above shortcomings and provide a new type of toothed gasket, which can prevent damage to the flange surface while maintaining a good sealing effect. . [0004] The purpose of this utility model is achieved like this: [0005] The utility model is a novel tooth-shaped gasket, which include...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16J15/00
Inventor 刘晓芳
Owner 镇江春环密封件集团有限公司