GB1231445A - - Google Patents

Info

Publication number
GB1231445A
GB1231445A GB5727368A GB1231445DA GB1231445A GB 1231445 A GB1231445 A GB 1231445A GB 5727368 A GB5727368 A GB 5727368A GB 1231445D A GB1231445D A GB 1231445DA GB 1231445 A GB1231445 A GB 1231445A
Authority
GB
United Kingdom
Prior art keywords
foil
tractor
land
rollers
crimping
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
GB5727368A
Other languages
English (en)
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 filed Critical
Publication of GB1231445A publication Critical patent/GB1231445A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F5/00—Dredgers or soil-shifting machines for special purposes
    • E02F5/02—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches
    • E02F5/10—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with arrangements for reinforcing trenches or ditches; with arrangements for making or assembling conduits or for laying conduits or cables
    • E02F5/101—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with arrangements for reinforcing trenches or ditches; with arrangements for making or assembling conduits or for laying conduits or cables forming during digging, e.g. underground canalisations or conduits, by bending or twisting a strip of pliable material; by extrusion

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
GB5727368A 1968-12-03 1968-12-03 Expired GB1231445A (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5727368 1968-12-03

Publications (1)

Publication Number Publication Date
GB1231445A true GB1231445A (it) 1971-05-12

Family

ID=10478804

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5727368A Expired GB1231445A (it) 1968-12-03 1968-12-03

Country Status (2)

Country Link
GB (1) GB1231445A (it)
ZA (1) ZA698303B (it)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2248201A1 (de) * 1971-09-30 1973-04-05 Takata Kojyo Co Verlegevorrichtung fuer rohre oder dergleichen
DE2355724A1 (de) * 1972-11-11 1974-05-16 Takata Kojyo Co Verfahren und vorrichtung zum verlegen eines thermoplastischen rohres
US4283160A (en) * 1979-03-07 1981-08-11 Angle William M Corrugated pipe fabricator and installer device and methods of making and using the same

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2248201A1 (de) * 1971-09-30 1973-04-05 Takata Kojyo Co Verlegevorrichtung fuer rohre oder dergleichen
DE2355724A1 (de) * 1972-11-11 1974-05-16 Takata Kojyo Co Verfahren und vorrichtung zum verlegen eines thermoplastischen rohres
US4283160A (en) * 1979-03-07 1981-08-11 Angle William M Corrugated pipe fabricator and installer device and methods of making and using the same

Also Published As

Publication number Publication date
ZA698303B (en) 1971-07-28

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees