3503098

Information

• Patent Grant
• 3503098

• References
• Source

• Patent Number

  3,503,098

• Date Filed

  Not available

• Date Issued

  Tuesday, March 31, 1970
  54 years ago

• CPC

  • B29C69/00 - Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00
  • B31B23/00 - Machinery characterised by making rectangular envelopes or bags of flat form, i.e. without structural provision at the base for thickness of contents, from webs
  • B29C47/0021 - Flat flexible articles
  • B29C47/0026 - Hollow flexible articles
  • B29C47/0038 - Combined shaping operations
  • B29C47/0059 - Extrusion moulding combined with shaping by flattening, folding or bending
  • B31B2219/2609 - around mandrels
  • B31B2237/10 - the bags having no structural provision at the base for thickness of content
  • B31B2237/403 - the bags having their openings facing in the direction of movement
  • Y10S425/20 - Molding plants

• US Classifications

  • 425 - Plastic article or earthenware shaping or treating: apparatus