DD122221A1 - - Google Patents

Info

Publication number
DD122221A1
DD122221A1 DD18789975A DD18789975A DD122221A1 DD 122221 A1 DD122221 A1 DD 122221A1 DD 18789975 A DD18789975 A DD 18789975A DD 18789975 A DD18789975 A DD 18789975A DD 122221 A1 DD122221 A1 DD 122221A1
Authority
DD
German Democratic Republic
Application number
DD18789975A
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 filed Critical
Priority to DD18789975A priority Critical patent/DD122221A1/xx
Publication of DD122221A1 publication Critical patent/DD122221A1/xx

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
    • B29C57/02—Belling or enlarging, e.g. combined with forming a groove
    • 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
    • B29C2791/00—Shaping characteristics in general
    • B29C2791/004—Shaping under special conditions
    • B29C2791/007—Using fluid under pressure

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
DD18789975A 1975-08-18 1975-08-18 DD122221A1 (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DD18789975A DD122221A1 (zh) 1975-08-18 1975-08-18

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD18789975A DD122221A1 (zh) 1975-08-18 1975-08-18

Publications (1)

Publication Number Publication Date
DD122221A1 true DD122221A1 (zh) 1976-09-20

Family

ID=5501413

Family Applications (1)

Application Number Title Priority Date Filing Date
DD18789975A DD122221A1 (zh) 1975-08-18 1975-08-18

Country Status (1)

Country Link
DD (1) DD122221A1 (zh)

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