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US 9,314,056 B2Granted
Breathing mask
AssigneeMoldex-Metric, Inc.
InventorsRoman Skov, Torben Skov, Heinz Wandel, Frank Kern
Life of this patent
Estimating the term…
Abstract
A foldable breathing mask formed with a deep-drawn mask body and sufficiently rigid so as to retain its shape and including at least one fold line for a storage folding of the mask body is a predefined manner.
Claims13
A breathing mask molded to form a deep-drawn mask body that is sufficiently rigid so as to retain its shape without any additional structural elements, including at least one predefined fold line on the mask body for providing a storage folding of the breathing mask,
- a first and at least a second fold line provided for a first and a second storage folding and with an inner side of one storage folding lying on the outside of the mask body and the inner side of the other storage folding lying on the inner side of the mask body, and
- wherein the first and the second fold lines run crosswise to one another.
Dependencies are inferred from the claim text.