| Title of Invention | AN IMPROVED COMPOSITE INDENTATION HARDNESS TESTER WITH BUILT-IN BASE FOR RUBBER, AND THE LIKE SUBSTANCES SUCH AS SOFT OR HARD PLASTICS AND TEXTILE WOUND PACKAGES. |
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| Abstract | 1. An improved composite indentation hardneas tester with built-in base for rubber and the like aubataneea as claimed in ray main patent No.170499 dated 18.6.'90 the improvement/ modification being in replacing the single clamping pressure spring (11), working in compression, by two or more spiral springs (l4) provided vertically 1 in between the top of base (5) and the flange of the bush (12) ยป to give constant load of buckling, at all the stages of pressure, thereby assuring an absolute constant clamping load On the specimen. |
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354-BOM-1991-CANCELLED PAGES.pdf
354-BOM-1991-CORRESPONDENCE(IPO).pdf
354-BOM-1991-CORRESPONDENCE(RECEIVED).pdf
354-BOM-1991-FORM 2(GRANTED).pdf
354-BOM-1991-SPECIFICATION(AMENDED).pdf
| Patent Number | 172840 | ||||||||
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| Indian Patent Application Number | 354/BOM/1991 | ||||||||
| PG Journal Number | 44/2012 | ||||||||
| Publication Date | 02-Nov-2012 | ||||||||
| Grant Date | 24-Mar-1995 | ||||||||
| Date of Filing | 29-Nov-1991 | ||||||||
| Name of Patentee | KUMAR BALRAM BHATIA | ||||||||
| Applicant Address | 408-A, POONAM APARTMENTS, DR. ANNIE BESANT ROAD, WORLI, BOMBAY-400018. | ||||||||
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| PCT International Classification Number | G01N3/42 | ||||||||
| PCT International Application Number | N/A | ||||||||
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