TH17824A3 - multipurpose mask - Google Patents

Abstract

A summary of the invention which will appear on the advertisement page ReadFile:Page 1 of 1 Page Summary of the fabrication of the multi-purpose mask consists of an inner mask frame consisting of a ridge base protruding from the ridge base section in a circular shape. This creates a socket consisting of a slab, a slab socket with a number of holes, a left protrusion and a right protrusion protruding from the base of the mask frame. Inside, there are two holes near the left edge and a hole. Two holes near the right edge The outer mask frame with the same components as the inner mask frame The filter is inserted into the socket of the inner mask frame. Inner mask in such a way that the filter is positioned between the socket of the inner mask and the socket of the outer mask and at least two straps to secure the universal mask to the wearer's head.

Claims (9)

Claims (all) which will not appear on the classifieds page: Page 1 of the 2 claims page. 1. The multi-purpose mask is unique in that it consists of an inner mask (31) consisting of a base (37) in the center of the base (37) with a ridge (38) protruding from the base (37) a ridge (37). 38) has a circular shape to form a socket (39) consisting of a socket (40) a socket (40) with many holes with a left protrusion (42) protruding from the base (37) an overhang. Left (42) is located between the left edge of the inner visor (31) and the ridge line (38), and the right overhang (43) protrudes from the base (37). The right overhang (43) ) located between the right edge of the inner mask frame (31) and the ridge line (38). At the position near the left edge of the inner mask frame, there are holes (44) and holes (45) for the end of the strap. The fastener is attached near the right edge of the inner mask frame. There are holes (46) and holes (47) for allowing the ends of the straps to be attached to the outer mask frame (32) comprising the base part (50) on the straight. In the middle of the base (50) there is a ridge (51) that protrudes from the base (50) The ridge (51) looks like a loop forming a socket (52) that consists of a socket (53) a socket (53). There are a number of holes with the left protrusion (55) protruding from the base part (50). Between the left edge of the outer visor (32) and the ridge line (51), and the right protrusion (56) protrudes from the base part (50), the right protrusion (56) is located between the edges. On the right side of the outer mask frame (32) with the ridge line (51) positioned near the left edge of the outer mask frame, there are holes (57) and holes (58) for allowing the ends of the straps to be attached at the near positions. On the right edge of the outer mask frame there are holes (59) and holes (60) for the end of the filter attachment strap (33) to be inserted into the socket (39) of the inner mask frame (31). (33) Cover all holes in the floor socket (40) by the outer mask frame (32) overlaying the inner mask frame (31) in such a way that the left protrusion (42) of the inner mask frame is inserted into the slots. The left protrusion (55) of the outer mask frame and the right protrusion (43) of the inner mask frame are inserted into the slots (71) of the right protrusion (56) of the mask frame outside the plate. Filter (33) is positioned between the floor socket (40) of the inner mask frame and the socket (53) of the outer mask frame and at least two straps to secure the universal mask to the wearer's head. 2. Multi-purpose mask according to claim 1, the inner mask frame (31) and the outer mask frame (32) are of the same shape and size as the face 2 of the 2 faces. 3. Multi-purpose mask according to claim 1, the inner mask frame (31) and outer mask frame (32) are made of thermoforming plastic sheet. 4. Multi-purpose mask according to claim 3, which the plastic sheet is a thermoplastic polyolefin (TPO) or polypropylene (PP) or polyA. Polyethylene(PE)) 5. The multi-purpose mask according to claim 3, the inner mask frame (31) and the outer mask frame (32), each having a wall thickness of 0.2-1.0 mm. 6. The multi-purpose mask according to claim 1, the holes in the socket are 2-6, each hole is circular in shape, the hole diameter is 10-25 mm. 7. Multi-purpose mask according to claim 6, there are 4 holes in the socket. 8. The multipurpose mask according to claim 1, the left overhang (42) and the right protrusion (43) each have a cylindrical shape with the cylindrical tip being smaller than the base. 9. Multi-purpose mask according to claim 1, which has two straps, is a type of strap around the head, namely the upper strap (34) and the lower strap (35). Both straps are made of materials. Flexible, stretching and shrinking 1 0. Multi-purpose mask according to claim 1, where the filter (33) is made of spunbond nonwoven fabric or meltblown nonwoven fabric. with the size of fine fibers at the nanometer level, stacked 3 to 5 layers or woven fabrics with various fibers