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Welded synthetic resin body, and production method therefor

A technology of synthetic resin and manufacturing method, applied in other household appliances, household components, applications, etc., can solve the problems of tumor protrusion, outstanding performance, impact, etc., and achieve the purpose of inhibiting tumor protrusion into the oil circuit and inhibiting tumor protrusion to the effect

Inactive Publication Date: 2017-10-13
TAIHO INDUSTRIES CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, in the structure described in Patent Document 1, when the baffle plate and the flow path forming member are welded by melting the welded portion with a laser, there is a problem that a welding burr (welding burr) generated at the welded portion protrudes to the Undesirable locations that may impact performance
Specifically, there is a problem with protruding tumors into the oil circuit

Method used

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  • Welded synthetic resin body, and production method therefor
  • Welded synthetic resin body, and production method therefor
  • Welded synthetic resin body, and production method therefor

Examples

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Embodiment Construction

[0042] In the following, the directions indicated by arrow U, arrow D, arrow F, arrow B, arrow L and arrow R in the figure are respectively defined as upper direction, lower direction, front direction, rear direction, left direction and right direction to carry out illustrate.

[0043] first use figure 1 , the configuration of the engine 1 including the baffle plate 110 and the oil passage forming member 120 according to one embodiment of the present invention will be described.

[0044] The engine 1 of the present embodiment includes valve mechanisms 30 , which will be described later, on the intake side and the exhaust side, respectively. Since the structure of the valve mechanism 30 is substantially the same on the suction side and the exhaust side, in the following, for the convenience of description, the structure on the exhaust side ( figure 1 The structure shown on the left side) will be described, and the structure on the suction side will be omitted appropriately ( ...

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Abstract

Provided are: a welded synthetic resin body capable of inhibiting the protrusion, at undesirable positions where performance is likely to be affected, of welding burrs formed in welding parts; and a production method therefor. The present invention is provided with: a step for preparing an oil-path-forming member (120) provided with welding parts (124) having tops which form welding surfaces (124a); a step for preparing a baffle plate (110) provided with surfaces (111a) to be welded; a step in which the oil-path-forming member (120) and the baffle plate (110) are disposed such that the welding surfaces (124a) are in contact with the surfaces 111a to be welded; and a step in which the welding parts (124) are irradiated with a laser beam to weld together the welding surfaces (124a) and the surfaces 111a to be welded. Recesses (111) are formed in the baffle plate (110) such that, when the welding surfaces (124a) are disposed so as to be in contact with the surfaces (111a) to be welded, grooves (140) are formed along the outer circumferential surfaces of the welding parts (124).

Description

technical field [0001] The present invention relates to a synthetic resin welded body formed by welding synthetic resin members together and a method for producing the same. Background technique [0002] Conventionally, a technique of a synthetic resin welded body formed by welding synthetic resin members to each other is known. Such an example is described in Patent Document 1. [0003] Patent Document 1 discloses a cylinder head cover including a rectangular plate-shaped baffle plate and a flow path forming member which contacts (stacks) the baffle plate from below to form an oil passage. The baffle plate and the flow path forming member are welded to each other at a welded portion (contact surface of the flow path forming member) adjacent to the oil passage. [0004] However, in the structure described in Patent Document 1, when the baffle plate and the flow path forming member are welded by melting the welded portion with a laser, there is a problem that a welding burr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C65/16
CPCB29L2031/749B29C65/1635B29C65/1677B29C65/7829B29C66/112B29C66/114B29C66/244B29C66/322B29C66/5346B29C66/71B29C66/8322B29C66/131B29C66/3242B29K2067/006B29K2023/00B29K2067/00B29K2067/003B29K2023/06B29K2023/12B29K2077/00B29K2027/06B29K2027/12F01M11/02
Inventor 上野友三松井伸弥川原贤大
Owner TAIHO INDUSTRIES CO LTD
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