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NO975302L - Trykkregulert rörpigg - Google Patents

Trykkregulert rörpigg

Info

Publication number
NO975302L
NO975302L NO975302A NO975302A NO975302L NO 975302 L NO975302 L NO 975302L NO 975302 A NO975302 A NO 975302A NO 975302 A NO975302 A NO 975302A NO 975302 L NO975302 L NO 975302L
Authority
NO
Norway
Prior art keywords
spike
pipe
pressure regulated
pressure difference
pipe spigot
Prior art date
Application number
NO975302A
Other languages
English (en)
Other versions
NO975302D0 (no
Inventor
Jon Kaare Heggholmen
Original Assignee
Jon Kaare Heggholmen
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 Jon Kaare Heggholmen filed Critical Jon Kaare Heggholmen
Priority to NO975302A priority Critical patent/NO975302L/no
Publication of NO975302D0 publication Critical patent/NO975302D0/no
Publication of NO975302L publication Critical patent/NO975302L/no

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Abstract

Rørpig for innvendig rensing av lengere rørstrekninger m.v. der piggens bevegelse krever en gitt trykkforskjell mellom oppstrøms- og nedstrømssidene av piggen. Piggen tillater at noe av rørstrømmen passerer piggen. Dersom trykkforskjellen øker til en bestemt verdi, stopper gjennomstrømningen, og kraften for å drive piggen fremover kan økes til det nivå som røret og konstruksjonen tillater. Dette kan bli nødvendig dersom piggen f.eks. har satt seg fast i røret.
NO975302A 1997-11-19 1997-11-19 Trykkregulert rörpigg NO975302L (no)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NO975302A NO975302L (no) 1997-11-19 1997-11-19 Trykkregulert rörpigg

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO975302A NO975302L (no) 1997-11-19 1997-11-19 Trykkregulert rörpigg

Publications (2)

Publication Number Publication Date
NO975302D0 NO975302D0 (no) 1997-11-19
NO975302L true NO975302L (no) 1998-09-28

Family

ID=19901344

Family Applications (1)

Application Number Title Priority Date Filing Date
NO975302A NO975302L (no) 1997-11-19 1997-11-19 Trykkregulert rörpigg

Country Status (1)

Country Link
NO (1) NO975302L (no)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6098231A (en) * 1997-06-12 2000-08-08 Pii Limited Pipeline pigs

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6098231A (en) * 1997-06-12 2000-08-08 Pii Limited Pipeline pigs

Also Published As

Publication number Publication date
NO975302D0 (no) 1997-11-19

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