Flexible strip doors
US4165778A · kind A · utility
Inventor
Key dates
| Filing date | May 5, 1978 |
| Grant date | Aug 28, 1979 |
| Priority date | — |
| Expiry date | May 5, 1998 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE06B3/80
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A flexible strip door comprising a plurality of relatively long transparent sheets of heavy gauge plastics material of relatively narrow width as compared to their length, hung in overlapping fashion to close the exit of a car wash, the sheets alternatively displaying concave and convex surfaces to the interior of the car wash, and soft non-abrasive material secured by gluing or sewing to the inwardly facing concave and convex surfaces from a position intermediate the ends of the sheets to a position below the lowermost edge of each sheet to permit viewing of the driver of a vehicle passing through the car wash through the sheets, but prevent marring the finish to the vehicle passing through.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.