Measuring and testing – Hardness – By penetrator or indentor
Patent
1977-10-31
1979-01-30
Gorenstein, Charles
Measuring and testing
Hardness
By penetrator or indentor
G01N 348
Patent
active
041365542
ABSTRACT:
A device for testing inflated objects such as tennis balls, wherein a housing contains a testing chamber in which the inflated object is compressed in a testing operation to an extent correlated to its inflation pressure.
Measuring means calibrated to indicate inflation pressure are carried by the housing and include a sensing member contacting the object being tested and displaced in said testing operation from a normal position to an extent dependent upon the inflation pressure of said object.
REFERENCES:
patent: 1549115 (1925-08-01), Hancock
patent: 1802685 (1931-04-01), Trier
patent: 1875862 (1932-09-01), Fair
patent: 2039337 (1936-05-01), Nolan
patent: 2358370 (1944-09-01), Williams
patent: 2384437 (1945-09-01), Boynton
patent: 2648977 (1953-08-01), Mills
patent: 2807161 (1957-09-01), Wirant
patent: 3889807 (1975-06-01), Feinberg et al.
Gorenstein Charles
Wells Electronics, Inc.
LandOfFree
Tester for inflated items does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Tester for inflated items, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Tester for inflated items will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1144947