3556884

Information

• Patent Grant
• 3556884

• References
• Source

• Patent Number

  3,556,884

• Date Filed

  Not available

• Date Issued

  Tuesday, January 19, 1971
  53 years ago

• CPC

  • B29D22/00 - Producing hollow articles
  • B01L3/5021 - Test tubes specially adapted for centrifugation purposes
  • B29C57/00 - Shaping of tube ends
  • B29C65/08 - using ultrasonic vibrations
  • B29C65/7802 - Positioning the parts to be joined
  • B29C65/7841 - Holding or clamping means for handling purposes
  • B29C66/24221 - being circular
  • B29C66/53461 - joining substantially flat covers and/or substantially flat bottoms to open ends of container bodies
  • B29C66/542 - joining hollow covers or hollow bottoms to open ends of container bodies
  • B29C66/73921 - characterised by the materials of both parts being thermoplastics
  • B29C66/81423 - being concave
  • B29C66/8322 - Joining or pressing tools reciprocating along one axis
  • B29C66/9241 - by controlling or regulating the pressure, the force or the mechanical power
  • B29C66/92653 - said stops being adjustable
  • B29C66/71 - characterised by the composition of the plastics material of the parts to be joined
  • B29K2001/00 - Use of cellulose, modified cellulose or cellulose derivatives
  • B29K2001/12 - Cellulose acetate
  • B29K2001/14 - Cellulose acetate-butyrate
  • B29K2023/06 - PE
  • B29K2027/06 - PVC
  • B29K2069/00 - Use of PC
  • B29L2023/20 - Flexible squeeze tubes
  • Y10S220/31 - Sonic seal

• US Classifications

  • 156 - Adhesive bonding and miscellaneous chemical manufacture
  • 220 - Receptacles
  • 422 - Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing