Freeze safety box organization
US5226448A · kind A · utility
2Cited by
5References
2Claims
0Family size
Inventor
Key dates
| Filing date | Jun 29, 1992 |
| Grant date | Jul 13, 1993 |
| Priority date | — |
| Expiry date | Jun 29, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/8359
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A plumbing box mounted in fluid communication with fluid pipes within wall structure is arranged to provide for threaded bores for securement of the pipes thereto, with a front wall of the box or housing structure having a plug member frictionally retained within a front wall smooth bore. Upon freezing of fluid within the box structure, the plug member is displaced relative to the box indicating pipe freezing, with the plug member arranged with its cap portion coplanar with a wall surface for visual indication of a freezing condition within the pipe structure directed into the box.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.