A VALVE FOR PROVIDING PULSES OF AIR
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United States of America Patent
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Issued Date -
Sep 7, 2023
app pub date -
Jun 15, 2021
filing date -
Jun 29, 2020
priority date (Note) -
Published
status (Latency Note)
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Abstract
A valve for providing pulses of aseptic air to a web of packaging material is provided. The valve comprises a rotatable valve shaft having an inlet portion with a circular cross-section, wherein the inlet portion is provided with a radial slot being connected to an axial cavity of the valve shaft. The valve further comprises a valve member comprising a curved end being adapted to fit with an exterior surface of the inlet portion of the valve shaft during rotation of the valve shaft, and a fluid channel extending through the valve member such that when the valve shaft is rotated to a position where the radial slot of the inlet portion is aligned with the fluid channel of the valve member, air can flow through the valve via the valve member and the valve shaft.
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