3575757

Information

• Patent Grant
• 3575757

• References
• Source

• Patent Number

  3,575,757

• Date Filed

  Not available

• Date Issued

  Tuesday, April 20, 1971
  54 years ago

• CPC

  • B31D5/0073 - including pillow forming
  • B29C49/0015 - for making articles of indefinite length
  • B29C49/0047 - Sheet blow-moulding
  • B29C65/18 - using heated tools
  • B29C66/3452 - Making complete joints by combining partial joints
  • B29C66/4312 - for making flat seams in tubular or hollow articles
  • B29C66/43129 - said flat seams being transversal but non-orthogonal with respect to the tubular or hollow articles
  • B29C66/432 - for making tubular articles or closed loops
  • B29C66/439 - Joining sheets for making inflated articles without using a mould
  • B32B27/00 - Layered products comprising a layer of synthetic resin
  • B29C65/08 - using ultrasonic vibrations
  • B29C2049/0063 - whereby the folded sheets or the two parallel sheets are separated from each other at least at one place
  • B29L2022/02 - Inflatable articles
  • B29L2031/7138 - Shock absorbing

• US Classifications

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