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US 2018/0008848 A1Published application
Face mask with removable/replaceable filter element
AssigneeSleepnet Corporation
InventorsThomas M. Moulton, Jerry J. Gong
Life of this patent
Estimating the term…
Abstract
The present invention is a particulate filter face mask with replaceable filter element, the filter element being inexpensive, easily replaceable and securely held within the mask when installed.
Claims19
A face mask for holding a removable flexible filter element, said face mask comprising,
- a. a mask body contoured to a user's face, said mask body having an opening located substantially forward of the user's mouth and nose, said opening having multiple support elements for providing support to a flexible filter element;
- b. a flexible seal positioned on the mask body so as to make a seal between the mask and a user's face when the mask is worn;
- c. a removable and reattachable front grill element comprising support elements, said support elements substantially in alignment with the support elements of the mask body when said front grill element is attached to said mask body, said support elements of the mask body and/or front grill element having one or more raised elements and/or fine grip elements, wherein said support elements of the mask body substantially face the support elements of the front grill element when said front grill element is attached to said mask body;
- d. a flexible filter element sandwichable between the front grill element and the mask body when said front grill element is attached to the mask body, wherein the raised elements and/or fine grip elements on the support elements of the mask body and/or the support elements of the front grill element substantially keep the flexible filter element from moving parallel to the plain of the flexible filter element.
1 more element
The face mask of claim 6, wherein said one-way valve is positioned in front of the user's mouth when the mask is worn.
A kit having a face mask for holding a removable flexible filter element, the kit comprising;
- a. said face mask comprising,
- i. a mask body contoured to a user's face, said mask body having an opening located substantially forward of the user's mouth and nose, said opening having multiple support elements for providing support to a flexible filter element;
- ii. a flexible seal positioned on the mask body so as to make a seal between the mask and a user's face when the mask is worn;
- iii. a removable and reattachable front grill element comprising support elements, said support elements substantially in alignment with the support elements of the mask body when said front grill element is attached to said mask body, said support elements of the mask body and/or front grill element having one or more raised elements and/or fine grip elements, wherein said support elements of the mask body substantially face the support elements of the front grill element when said front grill element is attached to said mask body;
- iv. a flexible filter element sandwichable between the front grill element and the mask body when said front grill element is attached to the mask body, wherein the raised elements and/or fine grip elements on the support elements of the mask body and/or the support elements of the front grill element substantially keep the flexible filter element from moving parallel to the plain of the flexible filter element;
- and
- b. instructions for use.
4 more elements
Dependencies are inferred from the claim text.