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A platform for research: civil engineering, architecture and urbanism
A device for sealing a pipe fitting includes an outer plug having a first diameter with male threading and a second diameter with female threading and an inner plug having a first diameter with male threading, a second diameter, and a face, perpendicular to its first diameter and its second diameter, sealing a first end of the inner plug. The first diameter of the inner plug threadedly fastens into the second diameter of the outer plug.
A device for sealing a pipe fitting includes an outer plug having a first diameter with male threading and a second diameter with female threading and an inner plug having a first diameter with male threading, a second diameter, and a face, perpendicular to its first diameter and its second diameter, sealing a first end of the inner plug. The first diameter of the inner plug threadedly fastens into the second diameter of the outer plug.
DEVICE FOR WINTERIZING PLUMBING
HARBERT TODD IAN (author)
2023-12-14
Patent
Electronic Resource
English
Winterizing chilled water systems
| Engineering Index Backfile | 1960
| European Patent Office | 2022
| European Patent Office | 2023