Rigid connecting device for connecting the upper and lower surfaces inside an oil tank and production method of the oil tank
US10994465B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 6, 2015 |
| Grant date | May 4, 2021 |
| Priority date | — |
| Expiry date | May 27, 2038 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D11/26
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A rigid connecting device for connecting the upper and lower surfaces inside an oil tank includes a connecting rod. The upper and lower sides of the connecting rod are each provided with a connecting end surface. The connecting end surface is provided with material-passing hole. The outer surface of the rigid connecting device is covered with high-density polyethylene. The upper and lower surfaces of the oil tank are connected by a connecting rod, and such arrangement is locally applied to areas where the rigidity of the oil tank is poor, so there are more effective space. The part of the rigid connecting rod contacting with the oil fuel is made of high-density polyethylene, so the requirements of strength and anti-corrosion can be satisfied.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.