3719021

Information

• Patent Grant
• 3719021

• References
• Source

• Patent Number

  3,719,021

• Date Filed

  Not available

• Date Issued

  Tuesday, March 6, 1973
  51 years ago

• CPC

  • B65B61/007 - Perforating strips of completed packages
  • B29C65/18 - using heated tools
  • B29C65/305 - involving the use of cartridge heaters
  • B29C65/745 - using a single unit having both a severing tool and a welding tool
  • B29C66/1122 - Single lap to lap joints
  • B29C66/24221 - being circular
  • B29C66/3452 - Making complete joints by combining partial joints
  • B29C66/43 - Joining a relatively small portion of the surface of said articles
  • B29C66/4312 - for making flat seams in tubular or hollow articles
  • B29C66/81241 - being porous or sintered
  • B29C66/81427 - comprising a single ridge
  • B29C66/81431 - comprising a single cavity
  • B29C66/81435 - comprising several parallel ridges
  • B29C66/83241 - cooperating pivoting tools
  • B29C66/849 - Packaging machines
  • B29C66/91421 - of the joining tools
  • B29C66/91431 - the temperature being kept constant over time
  • B29C66/91641 - the heat or the thermal flux being non-constant over time
  • B29C66/91651 - by controlling or regulating the heat generated by Joule heating or induction heating
  • B65B9/213 - the web having intermittent motion
  • B65B29/02 - Packaging of substances
  • B65B39/12 - movable towards or away from container or wrapper during filling or depositing
  • B65B51/303 - reciprocating along only one axis
  • B65D75/527 - Tear-lines for separating a package into individual packages
  • B65D85/8046 - Pods
  • B29C53/50 - using internal forming surfaces
  • B29C66/4322 - by joining a single sheet to itself
  • B29C66/433 - Casing-in
  • B29C66/8122 - characterised by the composition of the material constituting the pressing elements
  • B29K2711/123 - Coated
  • B29L2031/712 - Containers; Packaging elements or accessories, Packages
  • B65B9/2056 - Machines for packages of special type or form
  • B65B2220/22 - Interconnected packages concurrently produced from the same web, the packages not being separated from one another

• US Classifications

  • 053 - Package making