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METHOD AND APPARATUS FOR CLOSING AND/OR SEALING RECEPTACLES

  • US 3,855,759 A
  • Filed: 11/20/1972
  • Issued: 12/24/1974
  • Est. Priority Date: 11/20/1972
  • Status: Expired due to Term
First Claim
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1. An apparatus for closing and/or sealing receptacles comprising:

  • a support assembly adapted for mounting a receptacle having a sidewall and an open top, a head assembly adapted to receive a closure having a depending skirt with an outwardly projecting annular bead thereon, said support assembly and said head assembly being adapted to be positioned relative to each other so that said closure is disposed on the top of said receptacle with said skirt disposed adjacent an outwardly facing surface near the top of the sidewall of said receptacle, said head assembly including first and second dies, means to position the top of said closure against said first die, said second die including a draw ring having means to permit said closure to be disposed circumferentially inside said die with said projection being disposed above said draw ring, said draw ring being adapted to be moved upwardly with respect to the closure and container to engage the bead on the closure as restrained by said first die to constrict the bead radially inwardly towards the side wall of the receptacle as the draw ring is moved upwardly past the bead on the closure, and drive means for providing the relative motion between said draw ring and said closure and container.

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