Coupling member for use in fluid control apparatus and method of fabricating same
US6712400B1 · kind B1 · utility
3Cited by
11References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 9, 1999 |
| Grant date | Mar 30, 2004 |
| Priority date | — |
| Expiry date | Nov 9, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/4981
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A method for facilitating fabrication of a coupling member includes a first step of boring one of upwardly open, passageways, a communication passageway and an auxiliary passageway in a body block, a second step of inserting a closure member into the auxiliary passageway, a third step of welding the closure member to the inner peripheral body portion defining the auxiliary passageway, and a fourth step of boring the other upwardly open passageway in the body block. The closure member is inserted in the second step so as to be positioned at least party in the portion where the other upwardly open passageway is to be formed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.