GB727927A - Pin-hole detector - Google Patents

Pin-hole detector

Info

Publication number
GB727927A
GB727927A GB31759/52A GB3175952A GB727927A GB 727927 A GB727927 A GB 727927A GB 31759/52 A GB31759/52 A GB 31759/52A GB 3175952 A GB3175952 A GB 3175952A GB 727927 A GB727927 A GB 727927A
Authority
GB
United Kingdom
Prior art keywords
conveyer
photo
plates
pin
deflector
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
GB31759/52A
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 GB727927A publication Critical patent/GB727927A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Sorting Of Articles (AREA)
  • Controlling Sheets Or Webs (AREA)
GB31759/52A 1952-03-18 1952-12-15 Pin-hole detector Expired GB727927A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US277319A US2695098A (en) 1952-03-18 1952-03-18 Method and apparatus for inspecting sheets

Publications (1)

Publication Number Publication Date
GB727927A true GB727927A (en) 1955-04-13

Family

ID=23060336

Family Applications (1)

Application Number Title Priority Date Filing Date
GB31759/52A Expired GB727927A (en) 1952-03-18 1952-12-15 Pin-hole detector

Country Status (3)

Country Link
US (1) US2695098A (enrdf_load_stackoverflow)
BE (1) BE516602A (enrdf_load_stackoverflow)
GB (1) GB727927A (enrdf_load_stackoverflow)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2970691A (en) * 1954-05-12 1961-02-07 Ungerer Fritz Plant for sorting strips of material differing from one or more reference characteristics
US3065850A (en) * 1958-08-29 1962-11-27 Billie B Nixon Automatic mail facing and sorting machine
US3074550A (en) * 1959-03-20 1963-01-22 Continental Can Co Photoelectric inspection of glassware
US3156173A (en) * 1961-10-16 1964-11-10 James R Meyer Magnetic conveyance and transfer system for photographic processing
US3227444A (en) * 1963-08-30 1966-01-04 Eastman Kodak Co Reversal unit for document copying apparatus
US3247963A (en) * 1964-10-23 1966-04-26 Lumbermatic Inc Automatic green chain
JPS6453945A (en) * 1987-08-21 1989-03-01 Minolta Camera Kk Conveying device for sheet type processed body
JPH01185455A (ja) * 1988-01-20 1989-07-25 Nec Home Electron Ltd 機能検査システム

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1358061A (en) * 1919-07-25 1920-11-09 Horatio F Davidson Fruit-grading machine
US1385000A (en) * 1920-06-30 1921-07-19 Griffin Button Company Machine for reversing small articles
US1873860A (en) * 1926-02-15 1932-08-23 American Can Co Tin plate sorting machine
US2063485A (en) * 1933-10-16 1936-12-08 Button Machine Company Apparatus for selecting pearl buttons
US2070339A (en) * 1934-08-28 1937-02-09 Mark E Moore Can end inspector
GB468692A (en) * 1936-01-06 1937-07-06 Leonard Joseph Blumenthal Improvements in and relating to conveyers
US2312357A (en) * 1940-03-02 1943-03-02 American Can Co Sorting machine
US2527911A (en) * 1946-03-19 1950-10-31 Buccicone Dario Magnetic sheet piling
US2540766A (en) * 1947-07-21 1951-02-06 Fmc Corp Rotary box dump
US2570288A (en) * 1949-05-03 1951-10-09 Howard Paper Mills Inc Photoelectric inspection of sheet materials

Also Published As

Publication number Publication date
US2695098A (en) 1954-11-23
BE516602A (enrdf_load_stackoverflow)

Similar Documents

Publication Publication Date Title
GB849797A (en) Improvements in sheet feeding devices
GB727927A (en) Pin-hole detector
GB1205417A (en) Separator-transfer apparatus for thin flat articles
SE8701649L (sv) Automatisk sorteringsanordning for arkmaterial
GB1365399A (en) Sheet sorting apparatus
GB1493953A (en) Sorting apparatus
US3218066A (en) Process and apparatus for handling sheets
GB854863A (en) Improvements in or relating to apparatus for mechanically handling thin flat articles
US3315956A (en) High speed sheet feeding and overlapping system
GB712733A (en) Apparatus for inspecting and classifying elongated flat strips
US3038604A (en) Device for the mechanical sorting and collecting of veneer sheets of different lengths
GB1326759A (en) Delivery device for sheet-like articles
GB1215622A (en) Signature feeder
GB850605A (en) Improvements in classifying or sorting devices
GB804875A (en) Improvements in or relating to sheet delivery apparatus
US2978941A (en) Sheet classifier
GB703492A (en) Improvements in and relating to the sorting of seeds and other small articles
GB1322794A (en) Sheet detection apparatus
JPS6428133A (en) Paper feeding device
ES410628A1 (es) Perfeccionamientos en los aparatos de manutencion.
GB731594A (en) Improvements in or relating to apparatus for separating flat articles from a stack
GB1032420A (en) Automatic culling and sorting machine
GB801251A (en) Improvements in or relating to sheet classifier
GB989777A (en) A new or improved sheet metal grading machine
GB670960A (en) Improvements in and relating to apparatus for sorting seeds and the like