Manufacturing method of spring pad for automobile suspension system using foam injection molding
US11571842B2 · kind B2 · utility
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4Claims
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Assignee
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Key dates
| Filing date | Apr 1, 2020 |
| Grant date | Feb 7, 2023 |
| Priority date | — |
| Expiry date | Dec 2, 2040 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16F2226/00
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Disclosed herein is a manufacturing method of a spring pad interposed among a spring used in an automobile suspension system and an upper sheet and a lower sheet for supporting the spring, wherein the spring pad includes an insulator getting in contact with the spring to absorb shock and forming a body of the spring pad, and is manufactured through foam injection molding of the insulator to be lightweight.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.