NL259903A - - Google Patents

Info

Publication number
NL259903A
NL259903A NL259903DA NL259903A NL 259903 A NL259903 A NL 259903A NL 259903D A NL259903D A NL 259903DA NL 259903 A NL259903 A NL 259903A
Authority
NL
Netherlands
Application number
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.)
Publication of NL259903A publication Critical patent/NL259903A/xx
Priority claimed from FR815391A external-priority patent/FR1254540A/fr

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
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/26—Component parts, details or accessories; Auxiliary operations
    • B29C51/42—Heating or cooling
    • B29C51/421—Heating or cooling of preforms, specially adapted for thermoforming
    • B29C51/422—Heating or cooling of preforms, specially adapted for thermoforming to produce a temperature differential

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
NL259903D 1960-01-12 NL259903A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR815391A FR1254540A (fr) 1960-01-12 1960-01-12 Procédé et machine pour la formation d'alvéoles dans une feuille de matière plastique
FR1175865X 1960-01-12

Publications (1)

Publication Number Publication Date
NL259903A true NL259903A (fr)

Family

ID=26184867

Family Applications (1)

Application Number Title Priority Date Filing Date
NL259903D NL259903A (fr) 1960-01-12

Country Status (2)

Country Link
DE (1) DE1175865B (fr)
NL (1) NL259903A (fr)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1654647A (en) * 1921-07-23 1928-01-03 Penn Rubber Products Corp Method of making hollow articles

Also Published As

Publication number Publication date
DE1175865B (de) 1964-08-13

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