| Title of Invention | A VALUE FOR PREVENTING BACKWARD FLOW OF LOQUID IN PIPELINES. |
|---|---|
| Abstract | (57) Abstract A valve for preventing backward flow of liquj-d in pipelines, comprising; a hollow main H**M valve body defining a^passage threin having an inlet* a semi-spherical depression adjacent to the inlet at the base of tne body and an outlet, which may be coupled betwe"en a pipeline; an outwardly directed hollow cylindrical extension; extends operatlvely upwards of the said mainNiavlfe body and open at the <*p top fre"e end, frhe inner diameter of which is greater than the inner diameters of th* Baid; inlet and outlet; guides in the form of ribs parallelly projecting al°0.3 the inner sides of th# said valve body and slopping down towards the inlet; £he top ends of the said guides coinciding vlth the outlet end of the e^id extension and the bottom ertds of the said guides leading to the said semi-sp-herical^depression; a spherical ball lodged witnin the said main valve body between (;jie inlet and the guides/ the diameter of which is greater than the inn#r diameter of the said inlet and the length of said extension being sufficient for lodging the said ball within it? and a lia, removably titled to trie sala ou^ardVyVdirected cyWnarlcal extension. <FIGUKE 2 OF THE DRAWING) . smz. |
| Full Text |
|---|
153-BOM-1992-CANCELLED PAGES.pdf
153-BOM-1992-CORRESPONDENCE(IPO).pdf
153-BOM-1992-CORRESPONDENCE(RECEIVED).pdf
153-BOM-1992-FORM 2(COMPLETE).pdf
153-BOM-1992-FORM 2(GRANTED).pdf
153-BOM-1992-SPECIFICATION(AMENDED).pdf
| Patent Number | 174397 | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Indian Patent Application Number | 153/BOM/1992 | |||||||||
| PG Journal Number | 45/2012 | |||||||||
| Publication Date | 09-Nov-2012 | |||||||||
| Grant Date | 26-May-1995 | |||||||||
| Date of Filing | 13-May-1992 | |||||||||
| Name of Patentee | NARAYAN NARSINHA DESAI, | |||||||||
| Applicant Address | A-13/H, MIDC INDUSTRIAL AREA, PIMPRI,PUNE. | |||||||||
Inventors:
|
||||||||||
| PCT International Classification Number | F16K15/04 | |||||||||
| PCT International Application Number | N/A | |||||||||
| PCT International Filing date | ||||||||||
PCT Conventions:
|
||||||||||