Resin joint, channel block, and fluid control device
US11708928B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 13, 2020 |
| Grant date | Jul 25, 2023 |
| Priority date | — |
| Expiry date | Oct 13, 2040 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16L47/32
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A resin joint includes a joint body having a flow path, sleeves, and union nuts that fix tubes to the joint body. The joint body has a body portion with a curved inner peripheral surface and a straight portion protruding from an end portion of the body portion. The straight portion has outer and inner cylindrical portions radially arranged inside the outer cylindrical portion. An end portion of the inner cylindrical portion is positioned closer to the body portion than is an end portion of the outer cylindrical portion. A groove portion extending parallel with the outer and inner cylindrical portions in an axial direction is formed between an inner peripheral surface of the outer cylindrical portion and an outer peripheral surface of the inner cylindrical portion. The tube is fixed to the joint body such that a press-fit portion of the sleeve is press-fitted in the groove portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.