JPS51132276A - Method of producing covered drain pipe - Google Patents

Method of producing covered drain pipe

Info

Publication number
JPS51132276A
JPS51132276A JP50055980A JP5598075A JPS51132276A JP S51132276 A JPS51132276 A JP S51132276A JP 50055980 A JP50055980 A JP 50055980A JP 5598075 A JP5598075 A JP 5598075A JP S51132276 A JPS51132276 A JP S51132276A
Authority
JP
Japan
Prior art keywords
drain pipe
covered drain
producing covered
producing
pipe
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.)
Pending
Application number
JP50055980A
Other languages
Japanese (ja)
Inventor
Naomi Kawabe
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ikegai Corp
Original Assignee
Ikegai Corp
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 Ikegai Corp filed Critical Ikegai Corp
Priority to JP50055980A priority Critical patent/JPS51132276A/en
Publication of JPS51132276A publication Critical patent/JPS51132276A/en
Pending legal-status Critical Current

Links

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
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
    • B29C48/335—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
JP50055980A 1975-05-14 1975-05-14 Method of producing covered drain pipe Pending JPS51132276A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50055980A JPS51132276A (en) 1975-05-14 1975-05-14 Method of producing covered drain pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50055980A JPS51132276A (en) 1975-05-14 1975-05-14 Method of producing covered drain pipe

Publications (1)

Publication Number Publication Date
JPS51132276A true JPS51132276A (en) 1976-11-17

Family

ID=13014211

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50055980A Pending JPS51132276A (en) 1975-05-14 1975-05-14 Method of producing covered drain pipe

Country Status (1)

Country Link
JP (1) JPS51132276A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5413564A (en) * 1977-07-04 1979-02-01 Seisan Nipponsha Kk Method and apparatus for forming synthetic resin semiimesh tube
JP7146033B1 (en) * 2021-04-13 2022-10-03 大連塑研塑料科技開発有限公司 CONTINUOUS ROTARY EXTRUSION SURFACE REINFORCED CUSHION, FORMING APPARATUS AND METHOD

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5413564A (en) * 1977-07-04 1979-02-01 Seisan Nipponsha Kk Method and apparatus for forming synthetic resin semiimesh tube
JPS5847973B2 (en) * 1977-07-04 1983-10-26 株式会社生産日本社 Molding method and device for synthetic resin semi-mesh tube
JP7146033B1 (en) * 2021-04-13 2022-10-03 大連塑研塑料科技開発有限公司 CONTINUOUS ROTARY EXTRUSION SURFACE REINFORCED CUSHION, FORMING APPARATUS AND METHOD

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