AT283718B - Verfahren zur Herstellung von modifiziertem Polypropylen - Google Patents

Verfahren zur Herstellung von modifiziertem Polypropylen

Info

Publication number
AT283718B
AT283718B AT966061A AT966061A AT283718B AT 283718 B AT283718 B AT 283718B AT 966061 A AT966061 A AT 966061A AT 966061 A AT966061 A AT 966061A AT 283718 B AT283718 B AT 283718B
Authority
AT
Austria
Prior art keywords
production
modified polypropylene
polypropylene
modified
Prior art date
Application number
AT966061A
Other languages
English (en)
Original Assignee
Shell Int Research
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 Shell Int Research filed Critical Shell Int Research
Application granted granted Critical
Publication of AT283718B publication Critical patent/AT283718B/de

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00Measuring arrangements characterised by the use of optical techniques
    • G01B11/02Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
    • G01B11/022Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness by means of tv-camera scanning
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B38/00Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
    • B21B38/04Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product for measuring thickness, width, diameter or other transverse dimensions of the product
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B21/00Microscopes
    • G02B21/0004Microscopes specially adapted for specific applications
    • G02B21/0016Technical microscopes, e.g. for inspection or measuring in industrial production processes
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B2210/00Aspects not specifically covered by any group under G01B, e.g. of wheel alignment, caliper-like sensors
    • G01B2210/40Caliper-like sensors
    • G01B2210/44Caliper-like sensors with detectors on both sides of the object to be measured

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Length Measuring Devices By Optical Means (AREA)
AT966061A 1960-12-22 1961-12-20 Verfahren zur Herstellung von modifiziertem Polypropylen AT283718B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US77780A US3187185A (en) 1960-12-22 1960-12-22 Apparatus for determining surface contour

Publications (1)

Publication Number Publication Date
AT283718B true AT283718B (de) 1970-08-25

Family

ID=22140018

Family Applications (1)

Application Number Title Priority Date Filing Date
AT966061A AT283718B (de) 1960-12-22 1961-12-20 Verfahren zur Herstellung von modifiziertem Polypropylen

Country Status (4)

Country Link
US (1) US3187185A (de)
AT (1) AT283718B (de)
DE (1) DE1423606A1 (de)
GB (1) GB1001085A (de)

Families Citing this family (117)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE708100A (de) * 1967-05-05 1968-06-17
US3536405A (en) * 1968-06-12 1970-10-27 Singer General Precision Optical thickness gauge
US3612890A (en) * 1969-10-13 1971-10-12 Trw Inc Radiation sensitive optical gaging system
JPS5036374B1 (de) * 1969-10-28 1975-11-25
US3633010A (en) * 1970-05-04 1972-01-04 Geosystems Inc Computer-aided laser-based measurement system
US3713739A (en) * 1971-02-18 1973-01-30 V Ni P Konstr I Metallurg Mash Method for gauging the linear cross-sectional dimensions of moving rolled products and an apparatus for its realization
US3796492A (en) * 1971-06-01 1974-03-12 Autech Corp Laser dimension comparator
JPS4892055A (de) * 1972-03-09 1973-11-29
JPS4919837A (de) * 1972-06-13 1974-02-21
BE785160A (fr) * 1972-06-20 1972-10-16 Centre Rech Metallurgique Procede pour la mesure des dimensions de profiles.
GB1449044A (en) * 1972-11-14 1976-09-08 Kongsberg Vapenfab As Procedures and apparatuses for determining the shapes of surfaces
GB1448611A (en) * 1973-01-10 1976-09-08 Nippon Kokan Kk Method and apparatus for on-contact measurement of a gauge of a high temperature material
JPS4994386A (de) * 1973-01-10 1974-09-07
JPS5628490Y2 (de) * 1973-01-15 1981-07-07
US3834819A (en) * 1973-07-05 1974-09-10 Western Electric Co Thickness measuring
JPS5325503B2 (de) * 1973-07-25 1978-07-27
US3868478A (en) * 1973-08-24 1975-02-25 Fairchild Industries Apparatus and method for scanning and storing information located on rapidly moving articles
JPS5069185U (de) * 1973-10-25 1975-06-19
US3904280A (en) * 1973-12-28 1975-09-09 Clegg Jr Giles C Method and apparatus for determining the distance between the surface of an eye and a reference point
JPS5112155A (en) * 1974-07-20 1976-01-30 Central Glass Co Ltd Itagarasuno heitandosokuteiho
JPS5179358A (en) * 1974-11-14 1976-07-10 Nippon Kokan Kk Kinzokujozaino furanjisunhosokuteihoho
US4053234A (en) * 1975-02-18 1977-10-11 United Biscuits Limited Thickness measurement
FR2305710A1 (fr) * 1975-03-28 1976-10-22 Siderurgie Fse Inst Rech Procede pour determiner les dimensions d'un profile
US3994589A (en) * 1975-04-30 1976-11-30 Canadian Patents And Development Limited Apparatus for determining the position of a surface
USRE31143E (en) * 1976-04-19 1983-02-08 Measurement system
US4113389A (en) * 1976-04-19 1978-09-12 Morton Kaye Optical measurement system
JPS6026176B2 (ja) * 1976-07-09 1985-06-22 日本鋼管株式会社 赤熱金属材料の表面疵検出装置
US4089608A (en) * 1976-10-21 1978-05-16 Hoadley Howard W Non-contact digital contour generator
CH616805B5 (fr) * 1977-07-14 1980-10-31 Lasag Sa Procede pour la mesure optique de differences de niveau d'une piece par rapport a une piece de reference et moyen pour la mise en oeuvre du procede.
US4188544A (en) * 1977-08-22 1980-02-12 Weyerhaeuser Company Method and apparatus for automatically processing a workpiece employing calibrated scanning
US4281931A (en) * 1977-12-21 1981-08-04 Machida Endoscope Co., Ltd. Measuring apparatus comprising light optics utilizing cylindrical focusing glass fiber
CA1109539A (en) * 1978-04-05 1981-09-22 Her Majesty The Queen, In Right Of Canada, As Represented By The Ministe R Of Communications Touch sensitive computer input device
DE2842670A1 (de) * 1978-09-29 1980-04-10 Siemens Ag Verfahren zum ermitteln der dicke von baendern, welche ueber walzen bewegt werden
DE2855877C2 (de) * 1978-12-22 1985-01-10 Franz Plasser Bahnbaumaschinen-Industriegesellschaft Mbh, Wien Einrichtung zur kontinuierlichen berührungslosen Vermessung der Schienenkopfoberflächen eines verlegten Gleises
US4226536A (en) * 1979-02-23 1980-10-07 Dreyfus Marc G Electro-optical contour measuring system
GB2052734B (en) * 1979-05-21 1983-10-19 Daystrom Ltd Position and dimension measuring apparaus
US4276480A (en) * 1979-09-28 1981-06-30 Accuray Corporation Sensor position independent material property determination using radiant energy
US4325639A (en) * 1980-02-04 1982-04-20 H. A. Schlatter Ag Method for measuring distances and apparatus for performing the method
US4298286A (en) * 1980-06-02 1981-11-03 The Carl Maxey Company Measuring apparatus
DD151902A1 (de) * 1980-06-09 1981-11-11 Frank Schumann Verfahren zur bestimmung der dicke von klebstoffschichten auf buchblockruecken
FR2485959B1 (fr) * 1980-06-13 1986-07-18 Centre Rech Metallurgique Procede et dispositif pour controler la planeite des toles metalliques
US4411528A (en) * 1981-01-19 1983-10-25 Control Data Corporation Optical displacement and contour measuring
DE3204086A1 (de) * 1982-02-06 1983-08-11 Ibm Deutschland Gmbh, 7000 Stuttgart Vorrichtung zur automatischen optischen beschaffenheitspruefung
US5127736A (en) * 1982-02-22 1992-07-07 Armco Inc. Apparatus for measuring wear in the lining of refractory furnaces
CH646516A5 (fr) * 1982-02-25 1984-11-30 Speno International Procede et dispositif de mesure du profil transversal du champignon d'un rail d'une voie ferree.
US4498776A (en) * 1982-08-23 1985-02-12 General Motors Corporation Electro-optical method and apparatus for measuring the fit of adjacent surfaces
GB8300512D0 (en) * 1983-01-10 1983-02-09 Cruickshank J S Profile imaging techniques
US4573073A (en) * 1983-06-02 1986-02-25 General Electric Company Integrated lighting and camera system
US4634328A (en) * 1985-05-31 1987-01-06 Rca Corporation Mail singulation system
US4705401A (en) * 1985-08-12 1987-11-10 Cyberware Laboratory Inc. Rapid three-dimensional surface digitizer
JPS62142206A (ja) * 1985-12-17 1987-06-25 Inoue Japax Res Inc 物体の表面位置測定装置
US4710808A (en) * 1986-08-05 1987-12-01 Mechanical Technology Incorporated Machine vision differential measurement system
DE3639329C1 (de) * 1986-11-18 1988-02-25 Heesemann Karl Masch Bandschleifmaschine
US4983043A (en) * 1987-04-17 1991-01-08 Industrial Technology Institute High accuracy structured light profiler
FR2615343A1 (fr) * 1987-05-15 1988-11-18 Telsa Inf Procede et appareil de videogrammetrie
US4914460A (en) * 1987-05-29 1990-04-03 Harbor Branch Oceanographic Institution Inc. Apparatus and methods of determining distance and orientation
JPH0616087B2 (ja) * 1987-09-22 1994-03-02 スタンレー電気株式会社 光電検出装置
US4803371A (en) * 1987-09-30 1989-02-07 The Coe Manufacturing Company Optical scanning method and apparatus useful for determining the configuration of an object
DE3810455A1 (de) * 1988-03-26 1989-10-05 Michael Dr Radu Verfahren und vorrichtung zur beruehrungsfreien raeumlichen erfassung eines unregelmaessigen koerpers
US4888490A (en) * 1988-05-24 1989-12-19 University Of Southern California Optical proximity apparatus and method using light sources being modulated at different frequencies
US5040116A (en) * 1988-09-06 1991-08-13 Transitions Research Corporation Visual navigation and obstacle avoidance structured light system
US4954962A (en) * 1988-09-06 1990-09-04 Transitions Research Corporation Visual navigation and obstacle avoidance structured light system
US5083867A (en) * 1988-11-28 1992-01-28 Allegheny Ludlum Corporation Slab surface contour monitor
JPH0641851B2 (ja) * 1989-04-05 1994-06-01 日本鋼管株式会社 3次元曲面形状の測定装置
US5051906A (en) * 1989-06-07 1991-09-24 Transitions Research Corporation Mobile robot navigation employing retroreflective ceiling features
IS1634B (is) * 1991-05-28 1996-09-20 Marel H.F. Aðferð til að ákvarða og stjórna hjúpmyndun hlutas.s. fisks
JPH05107032A (ja) * 1991-10-16 1993-04-27 Matsushita Electric Ind Co Ltd 実装基板外観検査方法
CA2067400A1 (en) * 1992-04-28 1993-10-29 Robert E. Bredberg Laser thickness gauge
NO178909C (no) * 1993-04-19 1996-06-26 Toni Rydningen Måleanordning
US5600435A (en) * 1995-05-24 1997-02-04 Fori Automation, Inc. Intelligent sensor method and apparatus for an optical wheel alignment machine
US5781288A (en) * 1995-09-27 1998-07-14 Central Glass Company, Limited Method of inspecting location of optical film and system for carrying out the method
US5739913A (en) * 1996-08-02 1998-04-14 Mrs Technology, Inc. Non-contact edge detector
KR19980033400A (ko) * 1996-10-31 1998-07-25 추후 보충 차량바퀴의 캠버와 캐스터의 비접촉측정방법과 장치
JPH1134187A (ja) * 1997-07-15 1999-02-09 Mitsubishi Heavy Ind Ltd 製函用シート材の接合部判定方法及び製函用シート材の接合部判定装置
US6094269A (en) * 1997-12-31 2000-07-25 Metroptic Technologies, Ltd. Apparatus and method for optically measuring an object surface contour
US6636310B1 (en) 1998-05-12 2003-10-21 Metroptic Technologies, Ltd. Wavelength-dependent surface contour measurement system and method
US6859285B1 (en) * 1999-08-31 2005-02-22 Og Technologies, Inc. Optical observation device and method for observing articles at elevated temperatures
US7039228B1 (en) * 1999-11-19 2006-05-02 Rudolph Technologies, Inc. System and method for three-dimensional surface inspection
US6803906B1 (en) * 2000-07-05 2004-10-12 Smart Technologies, Inc. Passive touch system and method of detecting user input
FR2814808B1 (fr) * 2000-10-02 2002-12-20 Essilor Int Procede de lecture optique de la forme d'un profile et application au releve du bord interieur d'un cercle de monture de lunettes.
US6812479B2 (en) 2001-06-05 2004-11-02 Koninklijke Philips Electronics N.V. Sample positioning method for surface optical diagnostics using video imaging
CA2378625A1 (fr) * 2002-03-20 2003-09-20 Martin Castonguay Optimiseur de grade a haute perfomance
US6864596B2 (en) * 2002-10-07 2005-03-08 Voith Siemens Hydro Power Generation, Gmbh & Co. Kg Hydrogen production from hydro power
US6954197B2 (en) 2002-11-15 2005-10-11 Smart Technologies Inc. Size/scale and orientation determination of a pointer in a camera-based touch system
US7629967B2 (en) 2003-02-14 2009-12-08 Next Holdings Limited Touch screen signal processing
US8508508B2 (en) * 2003-02-14 2013-08-13 Next Holdings Limited Touch screen signal processing with single-point calibration
US20040160595A1 (en) * 2003-02-14 2004-08-19 Lafarge Road Marking, Inc. Road marking evaluation and measurement system
US8456447B2 (en) 2003-02-14 2013-06-04 Next Holdings Limited Touch screen signal processing
US7532206B2 (en) 2003-03-11 2009-05-12 Smart Technologies Ulc System and method for differentiating between pointers used to contact touch surface
US7411575B2 (en) 2003-09-16 2008-08-12 Smart Technologies Ulc Gesture recognition method and touch system incorporating the same
US7274356B2 (en) * 2003-10-09 2007-09-25 Smart Technologies Inc. Apparatus for determining the location of a pointer within a region of interest
US7355593B2 (en) 2004-01-02 2008-04-08 Smart Technologies, Inc. Pointer tracking across multiple overlapping coordinate input sub-regions defining a generally contiguous input region
US7460110B2 (en) 2004-04-29 2008-12-02 Smart Technologies Ulc Dual mode touch system
IL161745A (en) * 2004-05-03 2014-07-31 Camtek Ltd A symmetrical configuration for triangulation measurement, especially for object height measurement
US7538759B2 (en) 2004-05-07 2009-05-26 Next Holdings Limited Touch panel display system with illumination and detection provided from a single edge
US8120596B2 (en) 2004-05-21 2012-02-21 Smart Technologies Ulc Tiled touch system
US7167252B2 (en) 2004-11-23 2007-01-23 Kevin Gallup Method and apparatus for creating cavities in packaging materials for artifacts, art objects and fragile or other valuable items
US7383152B1 (en) * 2006-01-10 2008-06-03 Alliant Techsystems Inc. Non-contact deviation measurement system
US9442607B2 (en) * 2006-12-04 2016-09-13 Smart Technologies Inc. Interactive input system and method
JP5334861B2 (ja) * 2006-12-15 2013-11-06 フラウンホッファー−ゲゼルシャフト ツァ フェルダールング デァ アンゲヴァンテン フォアシュンク エー.ファオ 厚さ測定のための方法及び装置
US8115753B2 (en) 2007-04-11 2012-02-14 Next Holdings Limited Touch screen system with hover and click input methods
US8094137B2 (en) * 2007-07-23 2012-01-10 Smart Technologies Ulc System and method of detecting contact on a display
KR20100055516A (ko) 2007-08-30 2010-05-26 넥스트 홀딩스 인코포레이티드 개선된 조광을 가진 광학 터치 스크린
WO2009029764A1 (en) * 2007-08-30 2009-03-05 Next Holdings, Inc. Low profile touch panel systems
US8405636B2 (en) 2008-01-07 2013-03-26 Next Holdings Limited Optical position sensing system and optical position sensor assembly
FR2927179B1 (fr) * 2008-02-01 2010-11-26 Solystic Systeme d'acquisition d'images pour l'identification de signes sur des envois postaux.
FR2929481B1 (fr) * 2008-03-26 2010-12-24 Ballina Freres De Procede et installation d'examen visiometrique de produits en defilement
US20090278816A1 (en) * 2008-05-06 2009-11-12 Next Holdings Limited Systems and Methods For Resolving Multitouch Scenarios Using Software Filters
US8902193B2 (en) 2008-05-09 2014-12-02 Smart Technologies Ulc Interactive input system and bezel therefor
US20090278795A1 (en) * 2008-05-09 2009-11-12 Smart Technologies Ulc Interactive Input System And Illumination Assembly Therefor
US8339378B2 (en) * 2008-11-05 2012-12-25 Smart Technologies Ulc Interactive input system with multi-angle reflector
US20110095989A1 (en) * 2009-10-23 2011-04-28 Smart Technologies Ulc Interactive input system and bezel therefor
JP5525798B2 (ja) * 2009-11-20 2014-06-18 株式会社ニューフレアテクノロジー 荷電粒子ビーム描画装置およびその帯電効果補正方法
WO2011076187A1 (de) 2009-12-22 2011-06-30 Micro-Epsilon Optronic Gmbh Sensor und verfahren zum optischen messen eines abstands, einer position und/oder eines profils
EP2778601A1 (de) * 2013-03-15 2014-09-17 Siemens Healthcare Diagnostics Inc. Optische Metrologie mittels Lichtstrahlanalyse
CN105547167B (zh) * 2016-03-11 2018-07-03 中冶赛迪电气技术有限公司 基于机器视觉的带钢宽度测量系统及方法
EP3719442B1 (de) * 2017-11-27 2023-08-30 Nippon Steel Corporation Vorrichtung zur formüberprüfung und verfahren zur formüberprüfung

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2079900A (en) * 1933-11-01 1937-05-11 Willi M Cohn Method of testing materials
DE693374C (de) * 1938-06-27 1940-07-12 C H F Mueller Akt Ges Verfahren zur Herstellung von Koerperschnittbildern mittels Roentgenstrahlen
US2315282A (en) * 1939-10-21 1943-03-30 Harold A Snow Method of and apparatus for determining characteristics of surfaces
US2396069A (en) * 1943-10-02 1946-03-05 Fairchild Engine & Airplane X-ray inspection of bodies
US2379263A (en) * 1943-11-19 1945-06-26 Pittsburgh Plate Glass Co Apparatus for determining the flatness of glass plates
US2429066A (en) * 1945-08-01 1947-10-14 Gen Electric Optical transparent film thickness gauge
US2524929A (en) * 1946-02-21 1950-10-10 Wm S Scull Company Photoelectric method and apparatus for testing vacuum conditions in containers
US2521953A (en) * 1946-10-19 1950-09-12 Eastman Kodak Co Method and apparatus for inspecting light-sensitive coatings
US2446628A (en) * 1947-03-06 1948-08-10 Eastman Kodak Co Flatness testing apparatus
US2524839A (en) * 1948-05-27 1950-10-10 James H Schulman X-ray sensitive screen
US2604809A (en) * 1948-06-01 1952-07-29 Mitchell Reginald Fawn Optical means for evaluating surface finish by measurement of differential light scattering in a schlieren type optical system
US2607267A (en) * 1950-03-29 1952-08-19 Eastman Kodak Co Optical system for the inspection of curved profiles
US2753464A (en) * 1950-08-11 1956-07-03 Republic Steel Corp Method and apparatus for inspecting tinplate
US2867149A (en) * 1953-10-05 1959-01-06 Bell Telephone Labor Inc Method of determining surface flatness
US2866376A (en) * 1954-09-29 1958-12-30 Gen Electric Optical flaw detection apparatus
US2870336A (en) * 1955-02-17 1959-01-20 Sturrup Inc Method of and apparatus for gauging the dimensions of objects of irregular contour
US2812440A (en) * 1956-03-29 1957-11-05 Standard Oil Co Gamma ray wall thickness measuring device
US2998745A (en) * 1956-04-05 1961-09-05 John F Mcclellan Optical-thickness and refractiveindex meter
US2975285A (en) * 1957-02-26 1961-03-14 Fairchild Camera Instr Co Focusing device
US2954721A (en) * 1957-10-09 1960-10-04 Austin P Voelker Optical inspection instrument
US2982814A (en) * 1958-02-14 1961-05-02 Philips Corp Apparatus for determining the composition and condition of a specimen of material
US3016464A (en) * 1959-06-10 1962-01-09 Daystrom Inc Apparatus for determining the location and thickness of a reflecting object
US3091699A (en) * 1959-10-15 1963-05-28 Philips Corp Photoelectric device for indicating spots on a surface

Also Published As

Publication number Publication date
DE1423606A1 (de) 1968-10-10
US3187185A (en) 1965-06-01
GB1001085A (en) 1965-08-11

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