JP2006346269A - Mask - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a mask for which attaching work of a hooking string is facilitated, as regards the mask provided with the hooking string to be hooked to either head part or ear part. <P>SOLUTION: The mask is provided with an attaching means 4 for attaching the hooking string 3 to a covering part. The attaching means 4 is composed of a holding frame part 14 forming a square through-hole 21 and a block part 12 capable of attaching the hooking string 3 to the covering part in cooperation with the holding frame part 14 when inserted to the through-hole 21. The block part 12 is provided with a hooking string guide part projected from the through-hole 21 when inserted to the through-hole 21 and a pedestal part positioned on the inner side of the through-hole. The guide part is provided with a pair of guide walls 22 whose proximal end parts are at an interval roughly equal to the width of the hooking string 3. The block part 12 is provided with a pair of side face parts capable of clamping the holding frame part 14 from a cross direction near the through-hole 21 and a pair of side face parts capable of interposing the hooking string 3 between themselves and the peripheral walls of the through-hole 21. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a mask provided with a strap for hanging around either the head or the ear.

Conventionally, a mask provided with a strap for hanging around either the head or the ear is well known. For example, the filtering face mask disclosed in JP-T-2001-511410 (P2001-511410A, Patent Document 1) has one or two straps (hanging straps) for hanging around the neck and head. The hanging strap is attached to the mask body via a connector. The connector includes a strap receiving part that is a through hole, a hinge, and a tooth tip. After the tip of the strap is inserted into the receiving part, the tooth tip is engaged with the strap to fix the required part of the strap to the connector. can do.
JP 2001-511410 A

  In the filtering face mask disclosed in Patent Document 1, when a strap is attached to the mask body, the tip of the strap that is the strap is inserted into the through hole of the connector. However, since the strap is in contact with the skin, a flexible one is generally preferred. Since the attachment means such as connectors are also likely to come into contact with the skin, it is preferable to make them as small as possible. Furthermore, the shape of the through holes is also much less than the cross-sectional size of the hanging straps. It is preferred not to enlarge it. As a result, the work of inserting the strap into the through-hole is time consuming. In general, in the case of a disposable mask with a low unit price, the influence of such labor on the cost cannot be ignored.

  Therefore, in the present invention, it is an object to improve the conventional mask so that the attaching work of the hanging strap can be facilitated.

  In order to solve the above-mentioned problems, the present invention is directed to a covering part that can cover the nasal cavity and mouth and has a filter function, and a hanging part that hangs around either the head part or the ear part. It is a mask which has a string and the attachment means for attaching the said strap to the said coating | coated part.

  In such a mask, the present invention is characterized as follows. The attachment means forms a rectangular through-hole having four inner angles each having a right angle, and the holding frame portion provided in the covering portion is separate from the holding frame portion. When inserted into the through-hole in the direction from the inner side to the outer side of the part, it comprises an insertion block part capable of attaching the hanging strap to the covering part in cooperation with the holding frame part. The holding frame portion has two sets of opposed peripheral walls that define the through hole and are orthogonal to each other, and have a required thickness around the through hole. The insertion block portion includes a hook guide portion that protrudes from the through hole toward the outside of the covering portion when inserted into the through hole, and a pedestal portion that is positioned inside the through hole. The guide portion has a pair of guide walls that protrude from the pedestal portion toward the outer side and extend in one direction perpendicular to the protruding direction, and the pair of guide walls at the protruding proximal end portion While having an interval substantially equal to the width of the hanging string, the tip portion toward the outside is formed so as to be separated at an interval smaller than the interval of the base end portion. The pedestal portion has a pair of lateral grooves extending in the one direction in the guide wall while being spaced apart from each other in a direction in which the pair of guide walls face each other. Each of the grooves includes a bottom surface portion formed to face each of the opposed peripheral walls forming one of the two sets of the holding frame portion, and the vicinity of each of the peripheral walls having the required thickness. And a pair of side parts facing each other that can be sandwiched from inside and outside of the covering part. The dimension between the bottom surfaces of the pair of grooves is formed to be substantially the same as the dimension between the peripheral walls facing the bottom surface, and the dimension in the one direction of the pedestal is the one of the two sets. It is formed smaller than the dimension between the said surrounding walls which comprise the said other group so that the said strap can be interposed between each of the said opposing surrounding walls which comprise the other group, and the said base part.

  In one preferred embodiment of the present invention, the through hole is square, the pedestal is rectangular, and a short side of the rectangle is parallel to the one direction of the guide wall. 2).

  In another preferred embodiment of the present invention, the through-hole and the block part inserted therein are arranged by rotating the block part in the circumferential direction of the through-hole so that the hanging strap is placed on the head and the ear. It is possible to hang around any part (corresponding to claim 3).

  In another preferred embodiment of the present invention, the through hole and the pedestal portion are rectangular (corresponding to claim 4).

  In still another preferred embodiment of the present invention, at least one of the holding frame portion and the block portion is elastically deformed when the block portion is inserted (corresponding to claim 5).

  In still another preferred embodiment of the present invention, the block portion can be inserted into and removed from the through hole (corresponding to claim 6).

  In the mask according to the first aspect of the present invention, the attaching means for attaching the hanging strap to the covering portion includes the holding frame portion and the insertion block portion, and the block portion is formed in the through hole formed in the holding frame portion. When inserted from the inside of the block, the pedestal portion in the block portion is accommodated inside the through hole, and the pair of side surfaces in the groove formed in the pedestal portion is located in the vicinity of the peripheral wall of the through hole, and the holding frame portion is inward and outward direction Therefore, the block part is fixed to the holding frame part. When the block portion is inserted into the through-hole, if the hanging strap is passed between the pair of guide walls in the block portion, the base portion and the through-hole are moved when the block portion is fixed to the holding frame portion. The hanging strap can be sandwiched between the surrounding wall and the hanging strap can be attached to the covering portion.

  In the aspect of the present invention according to claim 2, since the through hole is square, the block portion is also horizontally oriented so that the groove and the guide wall formed in the block portion are vertically oriented with respect to the square through hole. Can also be inserted.

  In the aspect of the present invention according to claim 3, when the block portion inserted into the through hole is rotated in the circumferential direction of the through hole, the hook string extends in the lateral direction of the mask or in the up and down direction every time it is rotated by 90 °. It changes like The hanging strap extending in the lateral direction can be hung around the head, and the hanging strap extending in the vertical direction can be hung around the ear.

  In the aspect of this invention which concerns on Claim 4, a block part can be attached to a holding frame part so that the direction of a block part may always become fixed with respect to a coating | coated part.

  In the aspect of this invention which concerns on Claim 5, since a block part is inserted in the through-hole of a holding frame part under the elastic deformation of at least one of a block part and a holding frame part, to the holding frame part of a block part Is easy, and the inserted block portion does not come off the holding frame portion.

  In the aspect which concerns on Claim 6, when adjusting the length of a hanging string, a block part can be extracted from a through-hole.

  The details of the mask according to the present invention will be described with reference to the accompanying drawings.

  FIG. 1 is a front view of the mask 1. The mask 1 is a covering portion 2 that covers the wearer's nasal cavity and mouth, a strap 3 for hanging around the wearer's head and neck, and means for attaching the strap 3 to the covering portion 2. And a connector 4. The covering portion 2 is formed by forming a sheet material having a filter function such as a non-woven fabric into a dome shape, and the mask 1 shown in the drawing is drawn so that the convex surface of the dome shape is the front surface. The strap 3 is made of a rubber strap, preferably a belt-like rubber strap as shown in the figure. In the figure, the strap 3 is for hanging above the head, and the strap is for hanging below the head or neck. Two things are shown. Each hook 3 is attached so that both ends 6 can be adjusted in length with respect to the connector 4. The connector 4 is formed separately from the covering portion 2, and is attached to the side edge portion 7 of the covering portion 2 by appropriate joining means such as adhesion, welding, and stitching.

  2 and 3 are a partially enlarged view of the mask 1 shown in FIG. 1 and a plan view of the connector 4. In FIG. 2, the covering portion 2 is indicated by a virtual line. The connector 4 includes a support member 11 and a block member 12 that is separate from the support member 11. The support member 11 has a fixed portion 13 that extends in the vertical direction B while being curved in FIG. 1, and support frame portions 14 (see FIG. 1) formed at both upper and lower ends of the fixed portion 13. The covering portion 2 is formed and interposed between the two inner and outer sheets 16 and 17 positioned in the vertical direction in FIG. The supporting member 11 is fixed to the covering portion 2 by joining the fixing portion 13 and the inner and outer sheets 16 and 17 by means of bonding, welding, stitching, or the like. A through hole 18 is formed in the fixing portion 13, and the inner and outer sheets 16, 17 can be joined to each other without the support member 11 being interposed in the through hole 18. A square through hole 21 is formed in the support frame portion 14, and the block member 12 is inserted into the through hole 21 from the direction of the arrow A from the inside to the outside of the covering portion 2. The block member 12 has a pair of guide walls 22 that face each other in a direction indicated by a double-headed arrow B (see also FIG. 1) that is a substantially vertical direction of the covering portion 2. The hanging cord 3 passes through between the pair of guide walls 22 after the end portion 6 of the covering portion 2 passes through the through hole 21 from the inner side toward the outer side, and passes through the through hole 21 in the direction from the outer side to the inner side. It passes again and extends to the left of the figure.

  FIG. 4 is an exploded perspective view of FIG. In the support frame portion 14 of the support member 11, a square through-hole 21 is defined by two sets of opposed peripheral walls 26, 26 and 27, 27, and the dimension p between the peripheral walls 26, 26 and the peripheral walls 27, 27 are defined. The support frame portion 14 has a thickness t in the vicinity of the peripheral walls 26, 26, 27, 27. The block member 12 has a pedestal portion 31 that fits inside the through hole 21 in FIG. 2, and a pair of guide walls 22 rises from the pedestal portion 31 in the direction of arrow A facing upward in the drawing. The pedestal 31 has a pair of lateral grooves 32 extending in the direction of a double-headed arrow C perpendicular to the arrow A, that is, to the side of the mask 1, parallel to the side wall 27 of the through hole 21. Each groove 32 has a length r and has a bottom surface 33 and an upper side wall 34 and a lower side wall 36 which face each other in the vertical direction in the figure, and the upper side wall 34 and the lower side wall 36 are dimensioned. It is separated by s. The pair of grooves 32 has a separation dimension x between the bottom surfaces 33, a dimension y between the upper side walls 34, and a dimension z between the lower side walls 36. The dimension x is substantially the same as the dimension q of the through hole 21, that is, the same as the dimension q, slightly larger than the dimension q, or slightly smaller than the dimension q. The dimension y is slightly larger than the dimension q of the through hole 21, and the dimension z has a value larger than the dimension y. The pair of guide walls 22 extend in the direction of the double-headed arrow C, and are separated by a dimension u at the base end 22a in the vicinity of the pedestal 31 and separated by a dimension v at the top 22b, which is the opposite end of the base end 22a. ing. The dimension u is preferably formed to be substantially the same as the width n of the hanging strap 3, and the dimension v is easily removed from between the guiding walls 22 when the hanging strap 3 that fits between the guiding walls 22 and 22 is removed. It is formed smaller than the dimension u so as not to go out. The belt-like hanging cord 3 has a thickness m and a width n.

  In FIG. 4, the strap 3 is attached to the connector 4 as follows. First, the hanging cord 3 is positioned below the through hole 21, and the block member 12 is positioned below the hanging string 3 as shown in the figure. The hanging cord 3 is deformed so that its width n becomes small and is placed between the base end portions 22a of the pair of guide walls 22 of the block member 12. Next, when the guide wall 22 of the block member 12 is inserted into the through hole 21 from the direction of arrow A, the slope 41 of the upper side wall 34 of the pedestal 31 contacts the edge of the peripheral wall 27 of the through hole 21 from below in the figure. The support frame portion 14 and / or the guide wall 22 are elastically deformed, and the upper side wall 34 passes through the through hole 21. Then, the support frame portion 14 and / or the guide wall 22 are elastically restored to the original shape, and the upper side wall 34 contacts the support frame portion 14 from above (see FIG. 2). At the same time, the lower side wall 36 contacts the support frame portion 14 from below (see FIG. 6 described later), the support frame portion 14 is sandwiched between the upper side wall 34 and the lower side wall 36 in the vicinity of the peripheral wall 27, and the block member 12 is transparent. It will not come off from the hole 21.

  5 and 6 are cross-sectional views taken along the lines VV and VI-VI in FIG. 2, but the hanging strap 3 is indicated by an imaginary line. In FIG. 5, the pedestal 31 of the block member 12 is housed inside the through hole 21. The dimension r of the pedestal portion 31 is smaller than the dimension p between the peripheral walls 26 and 26 of the through hole 21, and the strap 3 can be passed between the pedestal portion 31 and each peripheral wall 26. The difference between the two dimensions p and r is that when the hanging cord 3 is pulled in the length direction, the dimension in which the hanging cord 3 moves between the pedestal portion 31 and the peripheral wall 26 and hangs around the head or the like can be adjusted. It is possible to make it as much as possible, or to the extent that it does not move easily even if the hook 3 is pulled. In FIG. 6, since the dimension x of the block member 12 is substantially the same as the dimension q of the through hole 21, the block member 12 hardly moves in the direction B inside the through hole 21. The dimension y of the block member 12 is larger than the dimension q of the through hole 21 to such an extent that the insertion into the through hole 21 of the guide wall 22 is not hindered, and the dimension z of the block member 12 passes through the inserted block member 12. The block member 12 is made larger than the dimension q to such an extent that the block member 12 does not pass through the through-hole 21 even when pressed more strongly in the direction A that is the insertion direction into the hole 21. If the width n of the strap 3 that fits between the pair of guide walls 22 and 22 is larger than the dimension v between the top portions 22b of the guide walls 22, the block member 12 is attached to and detached from the support frame portion 14. When this is done, the block member 12 and the strap 3 can always be handled as one. In order to disengage the block member 12 in the state of FIG. 6 from the support frame portion 14, the block member 12 is held by pinching the top portion 22 b with a fingertip so that the dimension v between the top portions 22 b of the pair of guide walls 22 becomes small. Can be pushed in the direction opposite to direction A.

  In such a connector 4, the support member 11 and the block member 12 can be made of a thermoplastic plastic such as polyethylene, polypropylene, or nylon.

  FIG. 7 is a view similar to FIG. 4 showing an example of how the block member 12 is used. The block member 12 in the illustrated example is obtained by rotating the block member 12 of FIG. 4 by 90 ° in the circumferential direction of the through hole 21 and then inserting the block member 12 into the through hole 21, and includes a pair of guide walls 22 and a pair of grooves 33. Extending in the direction of the double-headed arrow B in parallel with the peripheral wall 26 of the support frame portion 14. Since the through hole 21 of the support frame portion 14 is square, the block member 12 of FIG. 7 can also be inserted into the through hole 21. In the connector 4 in which the block member 12 is used in this way, the hanging strap 3 attached thereto extends in the vertical direction B in FIG. Therefore, in FIG. 1, when one hanging cord 3 is used for a pair of support frame portions 14 positioned vertically on both sides of the covering portion 2, an arc is drawn on each of both sides of the covering portion 2. The string 3 can be obtained, and the string 3 can be hung around the ear of the mask wearer.

  FIG. 8 is a view similar to FIG. 4 showing an example of the embodiment of the present invention. In the connector 4 of this aspect, a rectangular through hole 21 that is long in the vertical direction B of the covering portion 2 is formed in the support frame portion 14 in the illustrated example, and the block member 12 that is long in the vertical direction with respect to the through hole 21. Is inserted. The block member 12 shown in the figure cannot be inserted into the through hole 21 after being rotated by 90 °, and the block member 12 attached to the support frame portion 14 is different from that shown in FIG. The direction with respect to the part 2 is always constant.

  FIG. 9 is a view similar to FIG. 2 showing an example of the strap 3 used for the mask 1 according to the present invention. When the mask 1 is disposable, an inexpensive material is preferably used as the material constituting the mask 1. As an example of such a case, a call rubber is used for the hook 3 in FIG. In this hook 3, an even number of core rubbers 41 are bundled so as to be lined up side by side with a thread 42. The core rubber 41 is made of natural rubber or synthetic rubber, and the glue thread 42 is made of fiber such as rayon, polypropylene, or polyester. A raised portion 43 is formed at the end 6 of the hanging cord 3. Even if such a hanging cord 3 is pulled in the direction indicated by the arrow S, it does not come out of the connector 4. The raised portion 43 can be obtained by sandwiching the strap 3 with heated male and female molds and partially deforming the strap 3. However, the core rubber 41 may be deteriorated by being heated and pressed with a mold, or may be locally stretched at a high elongation ratio, resulting in a decrease in tensile strength. In the string 3, when forming the raised portion 43, at least only the core rubber 41 on both sides remains in the form of the original coal rubber, that is, heated and pressurized to become a part of the raised portion 43. There is no such thing. Such a strap 3 can maintain a high tensile strength by the core rubber 42 on both sides.

  According to the present invention, it is possible to manufacture a mask that can be easily attached to the covering portion.

The front view of a mask. The fragmentary perspective view of a mask. The top view of a holding member. The disassembled perspective view of a coupling tool. VV sectional view taken on the line of FIG. FIG. 6 is a sectional view taken along line VI-VI in FIG. 2. The figure similar to FIG. 4 which shows an example of the usage condition of a block member. The figure similar to FIG. 4 which shows an example of the embodiment of invention. The figure similar to FIG. 2 which shows the one aspect | mode of a hanging string.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Mask 2 Covering part 3 Hanging string 4 Connecting tool 12 Block member 14 Support frame part 21 Through-hole 22 Guide wall 22a Base end part 26 Peripheral wall 27 Peripheral wall 31 Base part 32 Groove 34 Bottom 34a Side (Upper)
34b Side (downward)

Claims (6)

A covering portion capable of covering the nasal cavity and mouth and having a filter function; a hanging strap for hanging around one of the head and the ear; and an attaching means for attaching the hanging strap to the covering portion A mask having
The attachment means forms a rectangular through-hole having four inner angles each having a right angle, and the holding frame portion provided in the covering portion is separate from the holding frame portion. An insertion block portion that can be attached to the covering portion in cooperation with the holding frame portion when inserted into the through hole in the direction from the inside to the outside of the portion,
The holding frame portion has two sets of opposed peripheral walls that define the through hole and are orthogonal to each other, and has a required thickness around the through hole,
The insertion block portion has a strap guide portion that protrudes from the through hole toward the outside of the covering portion when inserted into the through hole, and a pedestal portion that is positioned inside the through hole. ,
The guide portion has a pair of guide walls that protrude from the pedestal portion toward the outer side and extend in one direction perpendicular to the protruding direction, and the pair of guide walls at the protruding proximal end portion While having an interval substantially equal to the width of the hanging string, the tip portion toward the outside is formed so as to be separated by an interval smaller than the interval of the base end portion,
The pedestal portion includes a pair of lateral grooves that are spaced apart from each other in a direction in which the pair of the guide walls face each other and extend in the one direction in the guide wall, and each of the grooves is the one in the holding frame portion. It is possible to sandwich the vicinity of each of the peripheral walls having the required thickness from the inner and outer directions of the covering portion, so as to face each of the opposed peripheral walls forming one of the two sets. A pair of side surfaces facing each other, and the dimension between the bottom surfaces of the pair of grooves is formed to be substantially the same as the dimension between the peripheral walls facing the bottom surface, Before forming the other set so that the dimension in the one direction can interpose the strap between each of the opposed peripheral walls forming the other set of the two sets and the pedestal portion. It said mask, characterized in that it is formed smaller than the dimension between the circumferential wall.   2. The mask according to claim 1, wherein the through hole is a square, the pedestal is rectangular, and a short side of the rectangle is parallel to the one direction of the guide wall.   The said through-hole and the said block part inserted in it enable the said strap to be hung on both a head and an ear | edge part by rotating the said block part to the circumferential direction of the said through-hole. Item 3. The mask according to Item 2.   The mask according to claim 1, wherein the through hole and the pedestal are rectangular.   The mask according to claim 1, wherein at least one of the holding frame portion and the block portion is elastically deformed when the block portion is inserted.   The mask according to claim 1, wherein the block portion is insertable / removable with respect to the through hole.

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