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Assembly for storing mixing and dispensing preparations such as dental materials

  • US 4,972,969 A
  • Filed: 04/05/1990
  • Issued: 11/27/1990
  • Est. Priority Date: 09/19/1988
  • Status: Expired due to Fees
First Claim
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1. A method of mixing and dispensing a preparation comprising the steps of:

  • providing an ampule having walls defining a chamber at least partially filled with a first component;

    opening an aperture in said walls;

    introducing a second component through said aperture and into said chamber;

    closing said aperture after said second component has been introduced into said chamber;

    placing the ampule within a complementally configured compartment of a capsule to substantially enclose the ampule;

    oscillating the capsule to mix said first component with said second component within said chamber and thereby form a preparation;

    establishing an outlet opening through said walls; and

    flexing at least certain portions of said walls to dispense said preparation through said outlet opening,wherein said step of establishing said outlet opening is carried out by re-opening said aperture.

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