CA999427A - Measuring gauge with air bearing and resistance to tilt - Google Patents

Measuring gauge with air bearing and resistance to tilt

Info

Publication number
CA999427A
CA999427A CA179,941A CA179941A CA999427A CA 999427 A CA999427 A CA 999427A CA 179941 A CA179941 A CA 179941A CA 999427 A CA999427 A CA 999427A
Authority
CA
Canada
Prior art keywords
tilt
resistance
air bearing
measuring gauge
gauge
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
CA179,941A
Other versions
CA179941S (en
Inventor
Juan H. Crawford
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Industrial Nucleonics Corp
Original Assignee
Industrial Nucleonics Corp
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 by Industrial Nucleonics Corp filed Critical Industrial Nucleonics Corp
Application granted granted Critical
Publication of CA999427A publication Critical patent/CA999427A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
    • G01B7/06—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness
    • G01B7/10—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness using magnetic means, e.g. by measuring change of reluctance
    • G01B7/107—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness using magnetic means, e.g. by measuring change of reluctance for measuring objects while moving
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B13/00—Measuring arrangements characterised by the use of fluids
    • G01B13/02—Measuring arrangements characterised by the use of fluids for measuring length, width or thickness
    • G01B13/06—Measuring arrangements characterised by the use of fluids for measuring length, width or thickness for measuring thickness
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/0002—Arrangements for supporting, fixing or guiding the measuring instrument or the object to be measured
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B2210/00—Aspects not specifically covered by any group under G01B, e.g. of wheel alignment, caliper-like sensors
    • G01B2210/40—Caliper-like sensors
    • G01B2210/42—Caliper-like sensors with one or more detectors on a single side of the object to be measured and with a backing surface of support or reference on the other side
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B2210/00—Aspects not specifically covered by any group under G01B, e.g. of wheel alignment, caliper-like sensors
    • G01B2210/62—Support for workpiece air film or bearing with positive or negative pressure
CA179,941A 1972-09-05 1973-08-29 Measuring gauge with air bearing and resistance to tilt Expired CA999427A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00286076A US3855524A (en) 1972-09-05 1972-09-05 Measuring gauge with air bearing and resistant to tilt

Publications (1)

Publication Number Publication Date
CA999427A true CA999427A (en) 1976-11-09

Family

ID=23096965

Family Applications (1)

Application Number Title Priority Date Filing Date
CA179,941A Expired CA999427A (en) 1972-09-05 1973-08-29 Measuring gauge with air bearing and resistance to tilt

Country Status (4)

Country Link
US (1) US3855524A (en)
JP (1) JPS5633643B2 (en)
CA (1) CA999427A (en)
GB (1) GB1450181A (en)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3939493A (en) * 1974-09-30 1976-02-17 International Business Machines Corporation Tape lifter
US4285745A (en) * 1979-08-01 1981-08-25 Ppg Industries, Inc. Method of determining optical quality of a laminated article
US4371482A (en) * 1979-08-01 1983-02-01 Ppg Industries, Inc. Method of determining optical quality of a shaped article
DE3050090A1 (en) * 1979-11-26 1982-04-22 Measurex Corp CALIPER GUAGE FOR THE MEASUREMENT OF SHEET MEMBERS OVER A WIDE RANGE OF THICKNESSES
US4434649A (en) * 1981-04-20 1984-03-06 Accuray Corporation Gauge having a surface follower with peripheral vent
US4528507A (en) * 1981-10-26 1985-07-09 Accuray Corporation Sheet measuring apparatus with two structurally isolated non-contacting surface follower bodies and wireless signal transmission
US4449398A (en) * 1982-06-24 1984-05-22 Accuray Corporation Sheet property sensor with sheet wrinkle remover
SE454913B (en) * 1982-07-27 1988-06-06 Esselte Security Syst Ab DEVICE FOR SOFT-FREE SEATING OF DISC OR SHEAR-OBJECTED THICKNESS
US4591938A (en) * 1983-01-20 1986-05-27 Bell & Howell Company Method and apparatus for removal of dust from an information carrier during recording and playback
GB2136128B (en) * 1983-03-01 1986-10-22 British Steel Corp Improvements in or relating to the measurement of surface profile
US4581918A (en) * 1984-01-09 1986-04-15 Esselte Security Systems Apparatus for non-contact thickness gauging of disc or sheet objects
DE3612914A1 (en) * 1986-04-17 1987-10-22 Heidelberger Druckmasch Ag DEVICE FOR MEASURING THE THICKNESS OF PAPER OR THE LIKE
US4742299A (en) * 1986-10-15 1988-05-03 The United States Of America As Represented By The Department Of Energy Methods of and apparatus for levitating an eddy current probe
US5074050A (en) * 1987-12-29 1991-12-24 Accuray Corporation Sheet-contacting thickness gauges
US4929895A (en) * 1989-03-22 1990-05-29 Impact Systems, Inc. Thickness gauge for moving sheet material with inner and outer flexibly mounted bearings
US5063682A (en) * 1989-04-17 1991-11-12 Measurex Corporation Aerodynamic caliper gauge
US5226239A (en) * 1989-04-17 1993-07-13 Measurex Corporation Aerodynamic caliper gauge
US5042160A (en) * 1989-06-30 1991-08-27 Measurex Corporation Tapered caliper gauge pad
US5075979A (en) * 1990-05-31 1991-12-31 Measurex Corporation Aerodynamic caliper gauge
US5479720A (en) * 1994-01-21 1996-01-02 Abb Industrial Systems, Inc. Methods and apparatus for measuring web thickness and other characteristics of a moving web
IT1269734B (en) * 1994-05-10 1997-04-15 Aeonic Syst Italia Srl DEVICE FOR THE ON-LINE MEASUREMENT OF THE THICKNESS OF A CONTINUOUS INDUSTRIAL SHEET, BASED ON TWO PROBING HEADS OPPOSED WITHOUT DIRECT CONTACT BY MEANS OF AIR CUSHIONS, OPERATED BY A GRAVIMETRIC TYPE INVARIANT PUSH
DE19506470C2 (en) * 1995-02-24 1998-07-02 Honeywell Ag Slide plate and its use
FI108885B (en) 1998-02-26 2002-04-15 Metso Paper Automation Oy Method for measuring properties of paper and an arrangement relating to the measuring device for paper
FI106484B (en) * 1999-07-15 2001-02-15 Neles Paper Automation Oy An arrangement for measuring the properties of a moving paper web
SE519686C2 (en) * 2001-01-23 2003-04-01 Daprox Ab Method and measuring device comprising monitoring the oblique position of a sensor head
FI114337B (en) * 2001-07-03 2004-09-30 Metso Automation Oy Method and gauge for measuring at least one property of a moving web
US6588118B2 (en) 2001-10-10 2003-07-08 Abb Inc. Non-contact sheet sensing system and related method
DE102006022882B4 (en) * 2006-05-15 2016-04-14 Immobiliengesellschaft Helmut Fischer Gmbh & Co. Kg Device for measuring the thickness of thin layers with a measuring probe
US9279289B2 (en) 2013-10-03 2016-03-08 Renegade Manufacturing, LLC Combination mud motor flow diverter and tiled bearing, and bearing assemblies including same

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2886651A (en) * 1955-04-08 1959-05-12 Ibm Air head
US2921144A (en) * 1956-02-06 1960-01-12 Ibm Transducer support for sound recording or reproducing system
US3617872A (en) * 1969-10-06 1971-11-02 Indev Inc Magnetic thickness gauge with a gas-supported sensor and a suction source in the base

Also Published As

Publication number Publication date
AU5999373A (en) 1975-03-06
GB1450181A (en) 1976-09-22
JPS5633643B2 (en) 1981-08-05
US3855524A (en) 1974-12-17
JPS49101045A (en) 1974-09-25

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