3321353

Information

• Patent Grant
• 3321353

• References
• Source

• Patent Number

  3,321,353

• Date Filed

  Not available

• Date Issued

  Tuesday, May 23, 1967
  57 years ago

• CPC

  • B29C66/8161 - said pressing elements being supported or backed-up by springs or by resilient material
  • B29C65/02 - by heating, with or without pressure
  • B29C65/1445 - heating both sides of the joint
  • B29C65/1448 - radiating the edges of the parts to be joined
  • B29C65/1467 - at the same time
  • B29C65/743 - using the same tool for both joining and severing, said tool being monobloc or formed by several parts mounted together and forming a monobloc
  • B29C65/7473 - using radiation
  • B29C66/03241 - Flattening
  • B29C66/0342 - Cooling
  • B29C66/1122 - Single lap to lap joints
  • B29C66/137 - Beaded-edge joints or bead seals
  • B29C66/3262 - as after-treatment
  • B29C66/349 - Cooling the welding zone on the welding spot
  • B29C66/43 - Joining a relatively small portion of the surface of said articles
  • B29C66/73921 - characterised by the materials of both parts being thermoplastics
  • B29C66/8226 - Cam mechanisms; Wedges; Eccentric mechanisms
  • B29C66/8322 - Joining or pressing tools reciprocating along one axis
  • B31B19/64 - by applying heat or pressure
  • B29C66/3494 - while keeping the welding zone under pressure
  • B29C66/8511 - Bag making machines
  • B29K2101/12 - Thermoplastic materials
  • B29L2031/7128 - Bags, sacks, sachets
  • B31B2219/14 - Cutting, perforating, punching, slitting, trimming
  • B31B2219/603 - by applying heat or pressure
  • B31B2219/6038 - using sealing jaws or sealing dies
  • Y10T156/1313 - Cutting element simultaneously bonds [e.g., cut seaming]

• US Classifications

  • 053 - Package making
  • 156 - Adhesive bonding and miscellaneous chemical manufacture