DK398976A - INSPECTION WINDOW - Google Patents

INSPECTION WINDOW

Info

Publication number
DK398976A
DK398976A DK398976A DK398976A DK398976A DK 398976 A DK398976 A DK 398976A DK 398976 A DK398976 A DK 398976A DK 398976 A DK398976 A DK 398976A DK 398976 A DK398976 A DK 398976A
Authority
DK
Denmark
Prior art keywords
inspection window
inspection
window
Prior art date
Application number
DK398976A
Other languages
Danish (da)
Other versions
DK143237B (en
DK143237C (en
Inventor
U J Lehtinen
Original Assignee
U J Lehtinen
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 U J Lehtinen filed Critical U J Lehtinen
Publication of DK398976A publication Critical patent/DK398976A/en
Publication of DK143237B publication Critical patent/DK143237B/en
Application granted granted Critical
Publication of DK143237C publication Critical patent/DK143237C/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17D—PIPE-LINE SYSTEMS; PIPE-LINES
    • F17D3/00—Arrangements for supervising or controlling working operations
    • F17D3/01—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Measuring Volume Flow (AREA)
  • Gasket Seals (AREA)
  • Optical Measuring Cells (AREA)
DK398976A 1975-09-05 1976-09-03 INSPECTION WINDOW DK143237C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI752509A FI56583C (en) 1975-09-05 1975-09-05 KONTROLLGLAS
FI752509 1975-09-05

Publications (3)

Publication Number Publication Date
DK398976A true DK398976A (en) 1977-03-06
DK143237B DK143237B (en) 1981-07-27
DK143237C DK143237C (en) 1981-11-30

Family

ID=8509414

Family Applications (1)

Application Number Title Priority Date Filing Date
DK398976A DK143237C (en) 1975-09-05 1976-09-03 INSPECTION WINDOW

Country Status (5)

Country Link
DE (1) DE2639858A1 (en)
DK (1) DK143237C (en)
FI (1) FI56583C (en)
GB (1) GB1554304A (en)
SE (1) SE433252B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH632826A5 (en) * 1978-09-28 1982-10-29 Fischer Ag Georg DEVICE FOR MONITORING PLASTIC PIPING.
CA1219228A (en) * 1985-12-17 1987-03-17 Oscar P. Muser Fluid flow conduit systems
US5123492A (en) * 1991-03-04 1992-06-23 Lizanec Jr Theodore J Method and apparatus for inspecting subsurface environments
DE19859694C2 (en) * 1998-12-23 2003-04-24 Josef Koller Sight glass for observing the inside medium in tubular bodies
FR2829559A1 (en) * 2001-09-07 2003-03-14 Equip Inox Pipe liquid viewing mechanism having tube body section piping attached and having two glass viewing porthole windows diametrically opposite each other.
US20220390049A1 (en) * 2019-10-29 2022-12-08 Advanced Couplings Limited In-line sight glass kit and assembly

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1187433B (en) * 1961-01-25 1965-02-18 Erwin Hawle Flange arrangement for smooth pipes, especially plastic pipes

Also Published As

Publication number Publication date
FI56583C (en) 1980-02-11
DK143237B (en) 1981-07-27
DK143237C (en) 1981-11-30
GB1554304A (en) 1979-10-17
SE7609804L (en) 1977-03-06
SE433252B (en) 1984-05-14
DE2639858A1 (en) 1977-03-17
FI56583B (en) 1979-10-31
FI752509A (en) 1977-03-06

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Legal Events

Date Code Title Description
PBP Patent lapsed