GB708513A - Sheet pin hole detector - Google Patents

Sheet pin hole detector

Info

Publication number
GB708513A
GB708513A GB28743/52A GB2874352A GB708513A GB 708513 A GB708513 A GB 708513A GB 28743/52 A GB28743/52 A GB 28743/52A GB 2874352 A GB2874352 A GB 2874352A GB 708513 A GB708513 A GB 708513A
Authority
GB
United Kingdom
Prior art keywords
photo
tube
pin
deflector
amplifier
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
GB28743/52A
Other languages
English (en)
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.)
United States Steel Corp
Original Assignee
United States Steel 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 United States Steel Corp filed Critical United States Steel Corp
Publication of GB708513A publication Critical patent/GB708513A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
    • G01N21/892—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles characterised by the flaw, defect or object feature examined
    • G01N21/894—Pinholes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S209/00—Classifying, separating, and assorting solids
    • Y10S209/941—Item carrying bridge raisable to expose discharge opening

Landscapes

  • Analytical Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Textile Engineering (AREA)
  • Biochemistry (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Controlling Sheets Or Webs (AREA)
  • Control Of Combustion (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
GB28743/52A 1952-02-19 1952-11-14 Sheet pin hole detector Expired GB708513A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US272471A US2736431A (en) 1952-02-19 1952-02-19 Sheet pin hole detector

Publications (1)

Publication Number Publication Date
GB708513A true GB708513A (en) 1954-05-05

Family

ID=23039933

Family Applications (1)

Application Number Title Priority Date Filing Date
GB28743/52A Expired GB708513A (en) 1952-02-19 1952-11-14 Sheet pin hole detector

Country Status (4)

Country Link
US (1) US2736431A (no)
BE (1) BE516718A (no)
FR (1) FR1075253A (no)
GB (1) GB708513A (no)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2881919A (en) * 1954-04-05 1959-04-14 California Packing Corp Spot scanner for comestibles

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2933185A (en) * 1955-05-11 1960-04-19 United States Steel Corp Method and apparatus for classifying sheets according to length
US2917168A (en) * 1955-12-13 1959-12-15 Time Inc Mechanism for separating bound and unbound books
US2977114A (en) * 1956-08-06 1961-03-28 Pitney Bowes Inc Document feeding apparatus
BE566586A (no) * 1957-04-09
US3017992A (en) * 1958-03-24 1962-01-23 Bartelt Engineering Co Inc Machine for classifying packages according to weight
US2990953A (en) * 1958-10-21 1961-07-04 Mosaic Tile Company Machine for detecting cracked ceramic tiles
US3239814A (en) * 1962-02-14 1966-03-08 Lionel Electronics Lab Inc Document testing and identification system
US3219184A (en) * 1962-04-26 1965-11-23 Dolph V Van Laanen Sorting apparatus
US3307696A (en) * 1965-05-10 1967-03-07 Owens Illinois Inc Inspecting hypodermic syringe cartridges and the like
US3351196A (en) * 1965-11-22 1967-11-07 Dolph V Van Laanen Defective sheet sorting apparatus
US3583562A (en) * 1969-01-07 1971-06-08 Coe Mfg Co The Methods of and apparatus for stacking veneer sheets
US4727991A (en) * 1985-11-01 1988-03-01 Fleetwood Systems, Inc. Scroll strip conveyor system
CN110508499B (zh) * 2019-08-29 2021-08-13 江苏盛矽电子科技有限公司 一种自动分离式丝印网版检测装置及其检测方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2229638A (en) * 1938-08-03 1941-01-28 Bethlehem Steel Corp Inspecting apparatus
US2395482A (en) * 1943-03-22 1946-02-26 Jr Samuel C Hurley Photoelectric inspection device
US2433685A (en) * 1943-11-03 1947-12-30 Tennessee Coal Iron And Rallro Apparatus for separating defective sheets as sheared from continuous strip
US2570288A (en) * 1949-05-03 1951-10-09 Howard Paper Mills Inc Photoelectric inspection of sheet materials
US2563213A (en) * 1949-06-01 1951-08-07 United States Steel Corp Control unit for pinhole detectors

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2881919A (en) * 1954-04-05 1959-04-14 California Packing Corp Spot scanner for comestibles

Also Published As

Publication number Publication date
BE516718A (no)
FR1075253A (fr) 1954-10-14
US2736431A (en) 1956-02-28

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