Classifications

• • 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
  • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
  • B29C48/25—Component parts, details or accessories; Auxiliary operations
  • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
  • B29C48/47—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using discs, e.g. plasticising the moulding material by passing it between a fixed and a rotating disc that are coaxially arranged
• • 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
  • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
  • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
  • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
• • 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
  • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
  • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
  • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
  • B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils

Landscapes

• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Extrusion Moulding Of Plastics Or The Like (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=8651818

Family Applications (1)

Country Status (16)

Families Citing this family (6)

• 1968
  • 1968-06-28 FR FR157109A patent/FR1603407A/fr not_active Expired
• 1969
  • 1969-06-17 CH CH926169A patent/CH495836A/fr not_active IP Right Cessation
  • 1969-06-19 GB GB31047/69A patent/GB1271583A/en not_active Expired
  • 1969-06-19 ES ES369376A patent/ES369376A1/es not_active Expired
  • 1969-06-20 LU LU58920D patent/LU58920A1/xx unknown
  • 1969-06-23 BE BE735010D patent/BE735010A/xx unknown
  • 1969-06-23 US US835329A patent/US3611490A/en not_active Expired - Lifetime
  • 1969-06-25 SE SE09033/69A patent/SE353263B/xx unknown
  • 1969-06-26 RO RO60353A patent/RO61825A/ro unknown
  • 1969-06-26 YU YU1639/69A patent/YU31864B/xx unknown
  • 1969-06-26 DE DE19691932324 patent/DE1932324A1/de active Pending
  • 1969-06-27 AT AT617269A patent/AT309791B/de not_active IP Right Cessation
  • 1969-06-27 PL PL1969134459A patent/PL71395B1/pl unknown
  • 1969-06-27 HU HUSI1121A patent/HU163036B/hu unknown
  • 1969-06-30 NL NL6909990A patent/NL6909990A/xx unknown
  • 1969-12-30 BG BG013673A patent/BG16428A3/bg unknown

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