JPS56119804A - Detector for variance in thickness of extruded sheet - Google Patents

Detector for variance in thickness of extruded sheet

Info

Publication number
JPS56119804A
JPS56119804A JP2383980A JP2383980A JPS56119804A JP S56119804 A JPS56119804 A JP S56119804A JP 2383980 A JP2383980 A JP 2383980A JP 2383980 A JP2383980 A JP 2383980A JP S56119804 A JPS56119804 A JP S56119804A
Authority
JP
Japan
Prior art keywords
sheet
rolls
variance
thickness
size
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.)
Granted
Application number
JP2383980A
Other languages
English (en)
Other versions
JPS6044605B2 (ja
Inventor
Yasufumi Hasegawa
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.)
Resonac Corp
Original Assignee
Shin Kobe Electric Machinery Co Ltd
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 Shin Kobe Electric Machinery Co Ltd filed Critical Shin Kobe Electric Machinery Co Ltd
Priority to JP2383980A priority Critical patent/JPS6044605B2/ja
Publication of JPS56119804A publication Critical patent/JPS56119804A/ja
Publication of JPS6044605B2 publication Critical patent/JPS6044605B2/ja
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
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
    • G01B11/06—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
  • Length Measuring Devices By Optical Means (AREA)
JP2383980A 1980-02-27 1980-02-27 押出シ−トの厚みばらつき検出装置 Expired JPS6044605B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2383980A JPS6044605B2 (ja) 1980-02-27 1980-02-27 押出シ−トの厚みばらつき検出装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2383980A JPS6044605B2 (ja) 1980-02-27 1980-02-27 押出シ−トの厚みばらつき検出装置

Publications (2)

Publication Number Publication Date
JPS56119804A true JPS56119804A (en) 1981-09-19
JPS6044605B2 JPS6044605B2 (ja) 1985-10-04

Family

ID=12121556

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2383980A Expired JPS6044605B2 (ja) 1980-02-27 1980-02-27 押出シ−トの厚みばらつき検出装置

Country Status (1)

Country Link
JP (1) JPS6044605B2 (ja)

Also Published As

Publication number Publication date
JPS6044605B2 (ja) 1985-10-04

Similar Documents

Publication Publication Date Title
JPS5712352A (en) Light diffusion device
JPS56119804A (en) Detector for variance in thickness of extruded sheet
JPS5626206A (en) Detecting device
JPS54100751A (en) Detection of connection of optical fibers
JPS5342762A (en) Radiation measuring apparatus
JPS5337457A (en) Distance measuring device
JPS57505A (en) Measuring device for extent of eccentricity
JPS55163425A (en) Photometry of multi-core connection for optical fiber
JPS548596A (en) Paper leaves detector
JPS5689001A (en) Detector for form sprocket hole
KR840004572A (ko) 선조체 표면의 요철 검출장치
JPS5750606A (en) Solar sensor
JPS5759110A (en) Measuring method for wall thickness of tubular material
JPS649304A (en) Height measuring apparatus
JPS5524672A (en) Size and right-angularity meter for sheet
JPS5337454A (en) Distance measuring device
JPS57104922A (en) Detecting and deciding method of different-size negative film
JPS5332786A (en) Measuring method of light spot strength distribution
JPS5269653A (en) Detector for displacement of scanning beam
JPS57179770A (en) Detector of travelling object
JPS5622910A (en) Distance detector
JPS52135782A (en) Temperature distribution measuring system for skelp
JPS55119022A (en) Light detector and using method thereof
JPS52101533A (en) Device for detecting reflected light for optical guiding type operater less transport vehicle
JPS52126219A (en) Film pinhole detector