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US 9,789,992 B2Granted
Drawn and ironed aerosol can
AssigneeCrown Packaging Technology, Inc.
InventorThomas Edward Fortner
Life of this patent
Estimating the term…
Abstract
A drawn and ironed can body includes relatively thick base having a relatively large standing ring and a beveled outer wall, enhancing the pressure rating of the can body for use with aerosols. A combination steel aerosol end and aluminum can body includes a seam that overcomes or improves prior art fracture problems.
Claims34
An aerosol can assembly comprising:
- a steel end having an opening for receiving a valve assembly;
- a one-piece, drawn and wall ironed, aluminum can body that includes an base, a sidewall, and a neck;
- and
- a double seam formed between the steel end and the aluminum body, the seam including a seaming panel, an end hook and a body hook;
- the seam defining an internal seam height defined between an inner surface of the end hook and an inner surface of the seaming panel and the body hook defining a body hook height measured between a lowermost end of the body hook and an uppermost point of a body hook radius, the body hook height being at least 83 percent of the internal seam height.
2 more elements
A method for seaming a steel aerosol end to an aluminum aerosol can body, comprising the steps of:
- locating a steel end relative to a one-piece, drawn and wall ironed, aluminum can body that includes an base, a sidewall, and a neck;
- and
- forming a double seam between the steel end and the aluminum can body such that the seam includes a seaming panel, an end hook, and a body hook;
- the seam defining an internal seam height defined between an inner surface of the end hook and an inner surface of the seaming panel and the body hook defining a body hook height measured between a lowermost end of the body hook and an uppermost point of a body hook radius, the body hook height being at least 83 percent of the internal seam height.
1 more element
Dependencies are inferred from the claim text.