Measuring and testing – Instrument proving or calibrating – Volume of flow – speed of flow – volume rate of flow – or mass...
Patent
1994-12-02
1996-12-03
Noland, Thomas P.
Measuring and testing
Instrument proving or calibrating
Volume of flow, speed of flow, volume rate of flow, or mass...
33502, 33545, 33567, 33702, G01D 3036, G01D 1800, G01B 330
Patent
active
055810128
ABSTRACT:
A method for the dimensional measurement of a piece to be checked is disclosed, wherein a comparison sample and a reference sample are employed, respectively of a material which is coherent with that of the piece to be checked and of a material having a low thermal expansion coefficient. Through the comparison between the two samples the relative thermal expansion is determined, and same is then related to the measurements carried out on the piece to be checked so as to determine the dimensions thereof as if the measurement were performed in a controlled temperature environment. The reference sample for carrying out the method is preferably made of a composite material.
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Definition of preprog; p. 1173 of the McGraw-Hill Technical Dictionary (Italian Edition, Zanichelli 1991).
4 page Brochure from Bio-Rad Microscience Division "Diode Sputter Coaters How to Select the System to Suit Your Needs" published by, Dec. 1995.
4 page Brochure from VG Microtech Fisons Instruments "Carbon Coaters E 6200 Turbo Pumped/ TB500 " published by Dec. 1995.
Noland Thomas P.
Rosfer Engineering Sas di Critelli Antonio e C.
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