A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Back-pressure safeguard
The backflow prevention device consists of a funnel-shaped membrane and a clamping device for mounting in a pipe. The clamping device consists of a spread member expanding the membrane to the pipe cross section and pressing it against the pipe wall, and a support member supporting the spread member against the pipe wall.
Back-pressure safeguard
The backflow prevention device consists of a funnel-shaped membrane and a clamping device for mounting in a pipe. The clamping device consists of a spread member expanding the membrane to the pipe cross section and pressing it against the pipe wall, and a support member supporting the spread member against the pipe wall.
Back-pressure safeguard
ROHRER DANIEL (author) / WASER ROGER (author)
2016-09-06
Patent
Electronic Resource
English
| NTIS | 1966
BUS STOP HAVING SAFEGUARD LINE FOR PASSENGER, AND PASSENGER SAFEGUARD SYSTEM HAVING THE SAME
| European Patent Office | 2016