JPS60168627A - 多孔プラスチツク管の通孔閉塞法 - Google Patents

多孔プラスチツク管の通孔閉塞法

Info

Publication number
JPS60168627A
JPS60168627A JP2478784A JP2478784A JPS60168627A JP S60168627 A JPS60168627 A JP S60168627A JP 2478784 A JP2478784 A JP 2478784A JP 2478784 A JP2478784 A JP 2478784A JP S60168627 A JPS60168627 A JP S60168627A
Authority
JP
Japan
Prior art keywords
hole
pipe
tube
porous plastic
wall layer
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.)
Granted
Application number
JP2478784A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0365251B2 (enrdf_load_stackoverflow
Inventor
Osamu Koda
治 甲田
Yoshiro Koyama
良郎 小山
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.)
Mitsubishi Chemical Corp
Original Assignee
Mitsubishi Plastics Inc
Mitsubishi Plastics Industries Ltd
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 Mitsubishi Plastics Inc, Mitsubishi Plastics Industries Ltd filed Critical Mitsubishi Plastics Inc
Priority to JP2478784A priority Critical patent/JPS60168627A/ja
Publication of JPS60168627A publication Critical patent/JPS60168627A/ja
Publication of JPH0365251B2 publication Critical patent/JPH0365251B2/ja
Granted 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
    • B29C57/00—Shaping of tube ends, e.g. flanging, belling or closing; Apparatus therefor, e.g. collapsible mandrels
    • B29C57/10—Closing
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2024/00—Articles with hollow walls
    • B29L2024/006—Articles with hollow walls multi-channelled

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
JP2478784A 1984-02-13 1984-02-13 多孔プラスチツク管の通孔閉塞法 Granted JPS60168627A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2478784A JPS60168627A (ja) 1984-02-13 1984-02-13 多孔プラスチツク管の通孔閉塞法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2478784A JPS60168627A (ja) 1984-02-13 1984-02-13 多孔プラスチツク管の通孔閉塞法

Publications (2)

Publication Number Publication Date
JPS60168627A true JPS60168627A (ja) 1985-09-02
JPH0365251B2 JPH0365251B2 (enrdf_load_stackoverflow) 1991-10-11

Family

ID=12147893

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2478784A Granted JPS60168627A (ja) 1984-02-13 1984-02-13 多孔プラスチツク管の通孔閉塞法

Country Status (1)

Country Link
JP (1) JPS60168627A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4880579A (en) * 1985-05-14 1989-11-14 Sekisui Kagaku Kogyo Kabushiki Kaisha Method for closing openings of through-holes in a pipe wall
FR2689810A1 (fr) * 1992-04-10 1993-10-15 Kaysersberg Packaging Sa Procédé de fermeture des bords de plaques alvéolaires et dispositif permettant la mise en Óoeuvre du procédé.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4880579A (en) * 1985-05-14 1989-11-14 Sekisui Kagaku Kogyo Kabushiki Kaisha Method for closing openings of through-holes in a pipe wall
FR2689810A1 (fr) * 1992-04-10 1993-10-15 Kaysersberg Packaging Sa Procédé de fermeture des bords de plaques alvéolaires et dispositif permettant la mise en Óoeuvre du procédé.

Also Published As

Publication number Publication date
JPH0365251B2 (enrdf_load_stackoverflow) 1991-10-11

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