JPH0233506B2 - - Google Patents

Info

Publication number
JPH0233506B2
JPH0233506B2 JP57185872A JP18587282A JPH0233506B2 JP H0233506 B2 JPH0233506 B2 JP H0233506B2 JP 57185872 A JP57185872 A JP 57185872A JP 18587282 A JP18587282 A JP 18587282A JP H0233506 B2 JPH0233506 B2 JP H0233506B2
Authority
JP
Japan
Prior art keywords
tube
plastic
ribs
plastic material
hollow
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 - Lifetime
Application number
JP57185872A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5973912A (ja
Inventor
Takeshi Ito
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP57185872A priority Critical patent/JPS5973912A/ja
Publication of JPS5973912A publication Critical patent/JPS5973912A/ja
Publication of JPH0233506B2 publication Critical patent/JPH0233506B2/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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/44—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles
    • B29C33/448—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles destructible
    • 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
    • B29D24/00—Producing articles with hollow walls
    • B29D24/001—Producing articles with hollow walls formed of hollow ridges or ribs, e.g. separate ridges; continuous corrugated structure

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Moulding By Coating Moulds (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
JP57185872A 1982-10-21 1982-10-21 プラスチツク構造体の中空リブ形成方法 Granted JPS5973912A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57185872A JPS5973912A (ja) 1982-10-21 1982-10-21 プラスチツク構造体の中空リブ形成方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57185872A JPS5973912A (ja) 1982-10-21 1982-10-21 プラスチツク構造体の中空リブ形成方法

Publications (2)

Publication Number Publication Date
JPS5973912A JPS5973912A (ja) 1984-04-26
JPH0233506B2 true JPH0233506B2 (enrdf_load_stackoverflow) 1990-07-27

Family

ID=16178350

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57185872A Granted JPS5973912A (ja) 1982-10-21 1982-10-21 プラスチツク構造体の中空リブ形成方法

Country Status (1)

Country Link
JP (1) JPS5973912A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS5973912A (ja) 1984-04-26

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