Patent ID: 7698878

Claim:
A method of making and preparing a dispenser comprising performing the following steps: a. fabricating a metal drawn container with an open bottom and a mounting cup structure integrally formed in a top of the container, wherein the mounting cup structure comprises: a first, cylindrical axially inwardly extending portion, a second, annular portion extending radially inward from said first portion, a third, cylindrical portion extending axially outward from said second portion, and a fourth, annular portion extending radially inward from said third portion, or wherein the mounting cup structure comprises: a first radially inwardly extending portion, a second cylindrical portion extending axially outward from said first portion, a junction between said first portion and said second portion, and an inward crimp in said second portion above said junction, wherein said inward crimp forms a shoulder; b. after the step of fabricating the metal drawn container with the open bottom and the mounting cup structure integrally formed in the top of the container, inserting and crimping a valve in the mounting cup structure in the top of the container with a valve stem projecting through an opening in the top of the container; c. filling the container with a product to be dispensed; and d. after the step of inserting and crimping the valve in the mounting cup structure in the top of the container, attaching a bottom piece to the container by double sealing.