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
  • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
  • B29C44/20—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length
  • B29C44/30—Expanding the moulding material between endless belts or rollers
• • 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
  • B29L2007/00—Flat articles, e.g. films or sheets
• • 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
  • B29L2009/00—Layered products

Applications Claiming Priority (1)

Publications (1)

Family

ID=10333171

Family Applications (1)

Country Status (8)

• 0
  • BE BE786034D patent/BE786034A/xx unknown
• 1971
  • 1971-07-08 GB GB3209671A patent/GB1386242A/en not_active Expired
• 1972
  • 1972-07-05 DE DE19722232976 patent/DE2232976A1/de active Pending
  • 1972-07-05 AU AU44233/72A patent/AU456644B2/en not_active Expired
  • 1972-07-07 NL NL7209522A patent/NL7209522A/xx not_active Application Discontinuation
  • 1972-07-07 FR FR7224782A patent/FR2144891B1/fr not_active Expired
  • 1972-07-07 IT IT2677772A patent/IT962646B/it active
  • 1972-07-08 ES ES404680A patent/ES404680A1/es not_active Expired

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