Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
  • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
  • B29D23/00—Producing tubular articles
  • B29D23/001—Pipes; Pipe joints
  • B29D23/003—Pipe joints, e.g. straight joints
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
  • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
  • B29C57/00—Shaping of tube ends, e.g. flanging, belling or closing; Apparatus therefor, e.g. collapsible mandrels
  • B29C57/02—Belling or enlarging, e.g. combined with forming a groove
  • B29C57/08—Belling or enlarging, e.g. combined with forming a groove using pressure difference
• • E—FIXED CONSTRUCTIONS
  • E03—WATER SUPPLY; SEWERAGE
  • E03F—SEWERS; CESSPOOLS
  • E03F3/00—Sewer pipe-line systems
  • E03F3/04—Pipes or fittings specially adapted to sewers
• • 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
  • F16L1/00—Laying or reclaiming pipes; Repairing or joining pipes on or under water
  • F16L1/024—Laying or reclaiming pipes on land, e.g. above the ground
  • F16L1/028—Laying or reclaiming pipes on land, e.g. above the ground in the ground
• • 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
  • F16L47/00—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics
  • F16L47/06—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics with sleeve or socket formed by or in the pipe end
  • F16L47/08—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics with sleeve or socket formed by or in the pipe end with sealing rings arranged between the outer surface of one pipe end and the inner surface of the sleeve or socket, the sealing rings being placed previously in the sleeve or socket

Landscapes

• Engineering & Computer Science (AREA)
• General Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Health & Medical Sciences (AREA)
• Life Sciences & Earth Sciences (AREA)
• Hydrology & Water Resources (AREA)
• Public Health (AREA)
• Water Supply & Treatment (AREA)
• Joints With Sleeves (AREA)
• Rigid Pipes And Flexible Pipes (AREA)
• Sewage (AREA)
• Supports For Pipes And Cables (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=13237256

Family Applications (1)

Country Status (9)

Families Citing this family (2)

Family Cites Families (1)

• 1976
  • 1976-05-18 JP JP1976063712U patent/JPS571189Y2/ja not_active Expired
• 1977
  • 1977-05-12 CA CA278,224A patent/CA1067928A/en not_active Expired
  • 1977-05-12 GB GB1989977A patent/GB1548097A/en not_active Expired
  • 1977-05-16 IT IT4941277A patent/IT1084298B/it active
  • 1977-05-17 FR FR7715113A patent/FR2352117A1/fr active Granted
  • 1977-05-17 AU AU25204/77A patent/AU502592B2/en not_active Expired
  • 1977-05-17 NL NL7705440A patent/NL7705440A/xx active Search and Examination
  • 1977-05-17 DE DE19772722300 patent/DE2722300A1/de active Pending
  • 1977-05-18 ES ES1977229042U patent/ES229042Y/es not_active Expired

Also Published As

Similar Documents