Method for manufacturing needle-equipped outer tube, and needle-equipped outer tube
US10258747B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 24, 2014 |
| Grant date | Apr 16, 2019 |
| Priority date | — |
| Expiry date | Apr 24, 2034 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2031/7544
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A method for manufacturing a needle-equipped outer tube includes providing a needle; providing a joint member having a needle insertion hole into which the needle is insertable; providing an outer tube comprising a connection section at a first axial end portion of the outer tube; pressing the joint member, with the needle located in the needle insertion hole, toward the connection section, such that the joint member engages with the connection section of the outer tube; and thermally welding the needle and the joint member, as well as the joint member and the connection section, such that the needle is joined to the joint member, and the joint member is joined to the connection section of the outer tube.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.