KR920019846U - High-density polyethylene pipe with double wall structure - Google Patents

High-density polyethylene pipe with double wall structure

Info

Publication number
KR920019846U
KR920019846U KR2019910005957U KR910005957U KR920019846U KR 920019846 U KR920019846 U KR 920019846U KR 2019910005957 U KR2019910005957 U KR 2019910005957U KR 910005957 U KR910005957 U KR 910005957U KR 920019846 U KR920019846 U KR 920019846U
Authority
KR
South Korea
Prior art keywords
density polyethylene
wall structure
double wall
polyethylene pipe
pipe
Prior art date
Application number
KR2019910005957U
Other languages
Korean (ko)
Other versions
KR930003326Y1 (en
Inventor
박종삼
Original Assignee
박종삼
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 박종삼 filed Critical 박종삼
Priority to KR2019910005957U priority Critical patent/KR930003326Y1/en
Publication of KR920019846U publication Critical patent/KR920019846U/en
Application granted granted Critical
Publication of KR930003326Y1 publication Critical patent/KR930003326Y1/en

Links

Classifications

    • 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
    • F16L11/00—Hoses, i.e. flexible pipes
    • F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
    • F16L11/11—Hoses, i.e. flexible pipes made of rubber or flexible plastics with corrugated wall
    • F16L11/112—Hoses, i.e. flexible pipes made of rubber or flexible plastics with corrugated wall having reinforcements embedded in the wall

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Laminated Bodies (AREA)
KR2019910005957U 1991-04-27 1991-04-27 Polyethlene tube KR930003326Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019910005957U KR930003326Y1 (en) 1991-04-27 1991-04-27 Polyethlene tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019910005957U KR930003326Y1 (en) 1991-04-27 1991-04-27 Polyethlene tube

Publications (2)

Publication Number Publication Date
KR920019846U true KR920019846U (en) 1992-11-17
KR930003326Y1 KR930003326Y1 (en) 1993-06-09

Family

ID=19313251

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019910005957U KR930003326Y1 (en) 1991-04-27 1991-04-27 Polyethlene tube

Country Status (1)

Country Link
KR (1) KR930003326Y1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100458485B1 (en) * 2001-12-04 2004-12-03 주식회사 강원프라코 Dual wall drain tube with reinforcement layer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100458485B1 (en) * 2001-12-04 2004-12-03 주식회사 강원프라코 Dual wall drain tube with reinforcement layer

Also Published As

Publication number Publication date
KR930003326Y1 (en) 1993-06-09

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Legal Events

Date Code Title Description
A201 Request for examination
E701 Decision to grant or registration of patent right
REGI Registration of establishment
FPAY Annual fee payment

Payment date: 20040510

Year of fee payment: 12

LAPS Lapse due to unpaid annual fee