GB1305344A - - Google Patents

Info

Publication number
GB1305344A
GB1305344A GB3096872A GB3096871A GB1305344A GB 1305344 A GB1305344 A GB 1305344A GB 3096872 A GB3096872 A GB 3096872A GB 3096871 A GB3096871 A GB 3096871A GB 1305344 A GB1305344 A GB 1305344A
Authority
GB
United Kingdom
Prior art keywords
fluidpressure
bbf
headings
april
july
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB3096872A
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to GB3096871A priority Critical patent/GB1347071A/en
Priority to CA145,781A priority patent/CA962405A/en
Priority to NO02319/72A priority patent/NO129920B/no
Priority to SE7208681A priority patent/SE388884B/en
Priority to US267866A priority patent/US3873336A/en
Priority to FR7223745A priority patent/FR2144404A5/fr
Publication of GB1305344A publication Critical patent/GB1305344A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
    • G01L19/0007—Fluidic connecting means
    • G01L19/0046—Fluidic connecting means using isolation membranes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
    • G01L9/0041—Transmitting or indicating the displacement of flexible diaphragms
    • G01L9/0051—Transmitting or indicating the displacement of flexible diaphragms using variations in ohmic resistance
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
    • G01L9/02—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means by making use of variations in ohmic resistance, e.g. of potentiometers, electric circuits therefor, e.g. bridges, amplifiers or signal conditioning
    • G01L9/04—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means by making use of variations in ohmic resistance, e.g. of potentiometers, electric circuits therefor, e.g. bridges, amplifiers or signal conditioning of resistance-strain gauges
    • G01L9/045—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means by making use of variations in ohmic resistance, e.g. of potentiometers, electric circuits therefor, e.g. bridges, amplifiers or signal conditioning of resistance-strain gauges with electric temperature compensating means

Abstract

1305344 Pressure gauge; measuring fluidpressure electrically BBF GROUP Inc 19 April 1971 [28 July 1970] 30968/72 Divided out of 1305343 Headings G1L and G1N Specification identical to parent Specification 1305343, claims differ.
GB3096872A 1970-07-28 1971-07-01 Expired GB1305344A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
GB3096871A GB1347071A (en) 1971-07-01 1972-06-22 Paper fillers
CA145,781A CA962405A (en) 1971-07-01 1972-06-27 Paper fillers
NO02319/72A NO129920B (en) 1971-07-01 1972-06-28
SE7208681A SE388884B (en) 1971-07-01 1972-06-30 PROCEDURE FOR PREPARATION OF MINERAL FILLERS WITH ACID PROTECTIVE STARCH COATING
US267866A US3873336A (en) 1971-07-01 1972-06-30 A method of treating calcium carbonate paper filler
FR7223745A FR2144404A5 (en) 1971-07-01 1972-06-30

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US5881770A 1970-07-28 1970-07-28
GB2440571 1971-04-19

Publications (1)

Publication Number Publication Date
GB1305344A true GB1305344A (en) 1973-01-31

Family

ID=26257092

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3096872A Expired GB1305344A (en) 1970-07-28 1971-07-01

Country Status (1)

Country Link
GB (1) GB1305344A (en)

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Legal Events

Date Code Title Description
PS Patent sealed
PLE Entries relating assignments, transmissions, licences in the register of patents
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee