SE316927B - - Google Patents

Info

Publication number
SE316927B
SE316927B SE41767A SE41767A SE316927B SE 316927 B SE316927 B SE 316927B SE 41767 A SE41767 A SE 41767A SE 41767 A SE41767 A SE 41767A SE 316927 B SE316927 B SE 316927B
Authority
SE
Sweden
Prior art keywords
gate
sheet
moving
bracket
roller
Prior art date
Application number
SE41767A
Inventor
P Nash
Original Assignee
P Nash
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
Priority claimed from US536741A external-priority patent/US3334239A/en
Application filed by P Nash filed Critical P Nash
Publication of SE316927B publication Critical patent/SE316927B/xx

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H26/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms
    • B65H26/02—Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms responsive to presence of irregularities in running webs
    • 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
    • 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
    • G01B11/30—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces
    • 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
    • G01N21/8901—Optical details; Scanning details

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Controlling Sheets Or Webs (AREA)

Abstract

1,128,830. Photo-electric inspection apparatus. P. NASH. Dec.29, 1966 [March 23, 1966], No. 58065/66. Heading G1A. In apparatus of the kind disclosed in Specification 976, 682 for detecting wrinkles in a moving sheet of material and where one or more elongated light gates rest upon the moving sheet any wrinkle lifting a gate off the sheet to permit light to pass between the gate and the sheet to reach a photocell, the light gate consists of a roller 18 resting on the moving paper 1 and mounted upon a bracket 3 which pivots by a central nut 4 upon a fixed support 5. Two retaining screws 8 pass freely through holes in the bracket 3, one on either side of the nut 4, so that the roller can align itself with the moving sheet and make contact with the sheet along its whole length. A foamed plastic block 13 running the length of the gate and pressed upon by an adjustable foot or series of feet 21 dampens the up and down motion of the gate.
SE41767A 1966-03-23 1967-01-11 SE316927B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US536741A US3334239A (en) 1962-06-22 1966-03-23 Pivotal light-gate for detecting surface elevations in sheet materials

Publications (1)

Publication Number Publication Date
SE316927B true SE316927B (en) 1969-11-03

Family

ID=24139748

Family Applications (1)

Application Number Title Priority Date Filing Date
SE41767A SE316927B (en) 1966-03-23 1967-01-11

Country Status (4)

Country Link
DE (1) DE1648630B1 (en)
FR (1) FR1508671A (en)
GB (1) GB1128830A (en)
SE (1) SE316927B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4166700A (en) * 1977-06-24 1979-09-04 Research Technology, Inc. Film thickness detector
CN112047166A (en) * 2020-10-19 2020-12-08 诸暨市澳速机械设计工作室 Sensitivity-adjustable film wrinkle detection device

Also Published As

Publication number Publication date
FR1508671A (en) 1968-01-05
DE1648630B1 (en) 1971-03-04
GB1128830A (en) 1968-10-02

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