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A line art patent drawing of an inverted cup attached to a spout pouch nozzle, with a red arrow pointing down.

A line art patent drawing of an inverted cup attached to a spout pouch nozzle, with a red arrow pointing down.

Patent drawing of AN1 Top-Load. Cross-section: cup attached upside-down over a spout pouch nozzle. Open rim of inverted cup locks onto expanded horizontal flange at absolute bottom of nozzle. Red vertical arrow points down at cup base (facing upward), showing force bypassing inner cap, traveling down cup walls to nozzle base. Line art, white background, grid. Mehr sehen