Bolted joint
US4063831A · kind A · utility
31Cited by
9References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 28, 1975 |
| Grant date | Dec 20, 1977 |
| Priority date | — |
| Expiry date | May 28, 1995 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T403/21
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A device for connecting body members of pressure vessels, such as the covers of nuclear reactor pressure vessels, especially to permit the rapid removal and fitting of lids or covers of such pressure vessels, includes a stud bolt to be mounted in one of the members while passing through an aperture in an adjacent member, the bolt being provided with a head and a clamping nut, a metal member adapted to fit between the adjacent member and the head, and means for heating the metal member to cause expansion thereof against the head to allow tightening and release of the clamping nut.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.