3880640

Information

• Patent Grant
• 3880640

• References
• Source

• Patent Number

  3,880,640

• Date Filed

  Not available

• Date Issued

  Tuesday, April 29, 1975
  49 years ago

• CPC

  • C03B9/3858 - Movable tubes
  • C03B9/3627 - Means for general supply or distribution of the air to the blow heads
  • C03B9/3663 - Details thereof relating to internal blowing of the hollow glass
  • C03B9/3672 - using a tube
  • C03B9/385 - using a tube for cooling or heating the inside
  • B29C2049/5827 - Blowing means not touching the preform

• US Classifications

  • 065 - Glass manufacturing