Inflatable shelter lift bag
US4655008A · kind A · utility
7Cited by
2References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 19, 1985 |
| Grant date | Apr 7, 1987 |
| Priority date | — |
| Expiry date | Dec 19, 2005 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04H2015/206
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A lift tube for use in erecting a shelter that has an air inflatable section or sections which are raised into position with the aid of an inflatable lift tube composed of a plurality of compartments that are interconnected in seriatim order. Bulk-heads in the lift tube separate such compartments and have one way valves to be done in seriatim order to control the inflation action.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.