| 摘要 |
The invention relates to a method for producing a pressure package comprising the steps: A) Providing, more particularly producing, a substantially cylindrically pressure package blank (2, 4) including a first diameter (D1) and an open end (12) provided with an aperture (14) and B) forming the open end (12) to a tapered mouthpiece (22) for sealed closure by a pressure valve by necking and flanging or beading the rim (18, 20) of the aperture (14) of the pressure package blank (2, 4), the diameter of the aperture thereby being reduced from the first diameter (D1) to a smaller diameter (D2). To ensure a satisfactory sealed closure of the aperture with a dispensing valve, the invention proposes the following step after step B) C) coating with a coating material (28) the rim (18) surrounding the aperture (14) formed into a bead (24) at a surface area (26) as predefined for sealing mounting the pressure valve. The invention relates furthermore to a device for implementing this method.
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