JP3840509B2 - Mask with headband - Google Patents

Mask with headband Download PDF

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Publication number
JP3840509B2
JP3840509B2 JP2002175862A JP2002175862A JP3840509B2 JP 3840509 B2 JP3840509 B2 JP 3840509B2 JP 2002175862 A JP2002175862 A JP 2002175862A JP 2002175862 A JP2002175862 A JP 2002175862A JP 3840509 B2 JP3840509 B2 JP 3840509B2
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JP
Japan
Prior art keywords
band
portion
hole
end
headband
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
JP2002175862A
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Japanese (ja)
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JP2004016488A (en
Inventor
昌之 大野
Original Assignee
興研株式会社
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Priority to JP2002175862A priority Critical patent/JP3840509B2/en
Publication of JP2004016488A publication Critical patent/JP2004016488A/en
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Publication of JP3840509B2 publication Critical patent/JP3840509B2/en
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Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a mask with a headband, and more particularly, to a mask with a headband suitable for use as dust or a gas barrier.
[0002]
[Prior art]
Dust and gas masks are equipped with a headband to use the facepiece in close contact with the face. Since this headband is hung around the wearer's head and neck, the length can be adjusted according to the size of the headband. For example, conventionally, the headband length adjustment in this type of mask has been performed using a band-through ring 1 attached to a face piece or a band on the other side to be connected to each other as shown in FIG. .
[0003]
The banding ring 1 includes a plate-like body 4 having an opening 3 through which the band 2 passes. This plate-like body 4 is provided with a shaft 5 for wrapping the band directly on the opening 3, that is, on the one surface side of the plate-like body 4 that is out of one plane forming the opening 3. In other words, the band-hanging shaft 5 is provided on one surface side of the plate-like body 4, and the band insertion opening 3 is formed in a portion of the plate-like body 4 that is located directly below the shaft 5. .
[0004]
When adjusting the length of the band 2 using the banding ring 1, the one end side of the band 2 is passed through the opening 3 of the plate-like body 4 and hung around the shaft 5, and the opening of the plate-like body 4 is again opened. Fold through part 3. One end portion side of the band 2 folded back through the banding ring 1 in this way becomes a surplus part 2a, and the surplus part 2a is passed through the annular member 6 and bundled together with the band 2 extending toward the banding ring 1. .
[0005]
Further, as another conventional example for adjusting the length of the band 2, as shown in FIG. 14, a band through 7 having two openings 7a and 7b formed in parallel is known. As a method of use, the band 2 is passed through one opening 7a, and then passed through the other opening 7b across the crosspiece 7c between the openings 7a and 7b. The band 2 and the band pass 7 are slidable with respect to each other.
[0006]
More specifically, one end side of the band 2 coming out of the opening 7b of the band through 7 is passed through a band insertion hole 8 provided in the face body, for example, and folded. One end portion side of the band 2 folded back through the band insertion hole 8 becomes a surplus portion 2 a, and the end portion of the surplus portion 2 a is already passed through the two openings 7 a and 7 b of the band passage 7. Are passed through the openings 7a and 7b.
[0007]
[Problems to be solved by the invention]
Thus, in the conventional mask, since one end side of the band that becomes the surplus portion 2a becomes an obstacle to the wearer when the length of the headband is adjusted, the annular member 6 or It was bundled using a banding 7. However, the distal end of the surplus portion 2a still protrudes from the annular member 6 and the like and can move freely, and the distal end is very disturbing for the wearer.
[0008]
It is very troublesome to bundle the ends of the excess portion 2a by moving the annular member 6 or the like every time the length of the band is adjusted so that the tip of the excess portion 2a is not in such a state. Then, when retightening after wearing, it becomes difficult to grip the end of the surplus portion 2a. As described above, the conventional mask has a problem that the operation until the face is brought into close contact with the face is troublesome and cannot be performed quickly.
[0009]
An object of the present invention is to solve such a conventional problem, and it is possible to quickly perform a tightening operation of a headband when a face piece is brought into close contact with a face without causing an excessive portion to become an obstacle. An object of the present invention is to provide a mask with a headband including a length adjusting ring that can be used.
[0010]
[Means for Solving the Problems]
  The present invention relates to a mask with a headband, and is configured as follows in order to solve the above-described problems of the prior art. That is, the present invention relates to a mask with a headband comprising a face body that can be in close contact with a wearer's face and capable of intake and exhaust, and a headband that makes the face body in close contact with the face. And at least one length adjusting ring for adjusting the length of the band, and the length adjusting ring includes first and second side edges extending in parallel with each other along both sides of the band. The first and second end edges that cross the band and connect the ends of the first and second side edges to each other in the length direction of the band, and the first and second edges Center struts extending between the first and second side edges so as to divide the part into two in the length direction of the band, and each side edge, the first end edge and the center The column portion defines a first band through hole, and each side edge portion and the second end And the central strut portion define a second band passage hole, and the band passes through the second band passage hole of the length adjusting ring and slidably straddles the central strut portion. The end of the band passing through the first band through-hole and coming out of the first band through-hole is connected to the first and second band through-holes of the length adjusting ring in the mask with headband. Is passed through another band insertion hole and folded, and the end of this folded portionIs wound around one of the first edge portion and the central support column portion, and is connected substantially unremovably by integrating the overlapping end portions.It is characterized by that.
[0011]
  The mask with a headband of the present invention has the above-described characteristics, but also has the following characteristics. That is, the end portion of the folded portion is overlapped by being hung around either the first end edge portion or the central support column portion, and the overlapping end portions are integrated so as to be substantially unremovable. It is characterized by.
[0012]
  In the mask with a headband according to the present invention, the length adjustment ring is formed on the side opposite to the first band passage hole with the first end edge as a boundary, and the third band passage through which the band can be inserted is provided. A hole is provided, and the end of the folded portion hangs around the first edgeWasIt is passed through the third band passage hole later, and the end portion through which it is passed is folded and integrated so as not to come out of the third band passage hole. It is characterized by.
[0014]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, the mask with a headband of the present invention will be described in more detail based on the embodiment shown in the drawings. FIG. 1 shows a mask 10 with a headband according to an embodiment of the present invention, and FIG. 2 shows a wearing state of the mask 10 with a headband. This mask 10 with a headband has a face body 11 and a headband 13 whose length can be adjusted to bring the face body 11 into close contact with the face of the wearer 12 of the mask 10 with headband.
[0015]
The face body 11 is provided with a cover body 14 formed of a flexible elastic material, which is in close contact with the face of the wearer 12 and covers the mouthpiece and the periphery of the nostril. The cover body 14 is provided with a filter mounting portion. A filter 15 for filtering the intake air is replaceably attached to the filter attachment portion. A headband mounting plate (hereinafter referred to as a mounting plate) 16 that connects the headband 13 to the face body 11 is attached to the front surface of the cover body 14 by a fastener 16a.
[0016]
The headband mounting plate 16 has a cross shape including four connection arms 17, 17, 18, and 18. The two connection arms 17 extend obliquely upward and left and right respectively when the cover body 14 is viewed from the front. The other two connection arms 18 extend obliquely downward on the left and right. Such a mask 10 with a headband can be used for dustproofing or for gasproofing, and the type of filter is selected according to the application.
[0017]
The headband 13 is formed of a flexible material and has an annular member 19 that is shaped to be able to contact the back head 12a of the wearer 12 and 2 extending from the annular member 19 to each connection arm 17 of the mounting plate 16. Each of the first band members 20 has a pair of second band members 21 that extend from the connection arms 18 of the mounting plate 16 and are wound around the neck 12 b of the wearer 12. In the mask 10 with a headband shown in FIG. 1, the first band member 20 has a novel structure in which the length adjustment ring 23 is attached to the first band 22, and the second band member 21 is attached to the second band 32. It has a prior art structure with a buckle 24 attached.
[0018]
The annular member 19 of the headband 13 is formed of a non-stretchable material such as polyethylene, polypropylene, or polyester resin, and the first and second bands 22 and 32 of the first and second band members 20 and 21 are stretchable. Or it is formed from a non-stretchable strip. The first and second bands 22 and 32 are not particularly limited in terms of width, thickness, and material, and thus various conventionally used strips can be used. Typically, for example, in addition to a rubber or plastic elastomer sheet, a woven string, a knitted string, a braided string, a nonwoven fabric, or the like made of nylon or polyurethane fiber can be used.
[0019]
In each first band member 20, the rear end portion 22 b of the first band 22 is passed through a band insertion hole 19 a formed in the annular member 19, and the overlapping portions of the first bands 22 are stitched together to be integrated, The front end portion 22a is directed to the face body 11 through the length adjusting ring 23, and is slidably inserted into the band insertion hole of the band support member 17a that is detachably attached to the distal end of the connection arm 17 of the attachment plate 16. And connected to the length adjusting ring 23. Thus, the folded portion of the first band 22 that is passed through the band insertion hole in the band support member 17 a at the tip of the connection arm 17 and folded back to the length adjusting ring 23 becomes the surplus portion 22 c in the first band 22. The length adjusting ring 23 will be described in detail later.
[0020]
In FIG. 1, in each second band member 21 having a conventional structure, the band insertion of a band support member 18 a in which the front end portion 32 a of each second band 32 is detachably attached to the distal ends of two connection arms 18 of the attachment plate 16. The overlapping portions of the second bands 32 that are passed through the holes are stitched together. On the other rear end portion 32b side, the first member 25 and the second member 26 that constitute the buckle 24 and that can be engaged with and disengaged from each other are formed. At least one of them is attached so that the length of the band member 21 can be adjusted.
[0021]
A D-shaped ring 25 a is formed on the first member 25 of the buckle 24, and a hook 26 a is formed on the other second member 26. The two members 25 and 26 are connected by engaging the D-shaped ring 25a of the first member 25 so as to be hooked on the hook 26a of the second member 26, and the connection is released when the ring 25a is removed from the hook 26a. Can do.
[0022]
3 is a plan view partially showing the first band member 20 to which the length adjusting ring 23 is attached, FIG. 4 is a cross-sectional view taken along line 4-4 in FIG. 3, and FIG. It is a principal part enlarged view. Referring to FIGS. 1 and 3 to 5, the length adjusting ring 23 is formed of a synthetic resin, metal, or the like, and extends in parallel with each other along both sides of the first band 22. 1. A pair of first and second ends that are parallel to each other by connecting the end portions of the first and second side edges 23a and 23b across the first band 22 across the first band 22 Edge portions 23c and 23d, and a central column portion 23e that bisects the first and second end edge portions 23c and 23d in the length direction of the first band 22, and each end portion of the central column portion 23e. Is also connected to the first and second side edges 23a, 23b.
[0023]
In the length adjusting ring 23, the first and second side edge portions 23a and 23b, the first end edge portion 23c, and the central support post portion 23e define a first band through hole 27a, and the first and second side edges The edge portions 23a and 23b, the second end edge portion 23d, and the central column portion 23e define a second band through hole 27b. Such a length adjusting ring 23 is slidably attached to the first band 22. With respect to the length adjusting ring 23, the front end portion 22a of the first band 22 passes through the second support band hole 27b and straddles the central support column 23e, and then passes through the first pass band hole 27a and from the first pass band hole 27a. The extending front end portion 22a of the first band 22 is slidably passed through the band insertion hole 31 of the band support member 17a in the face body 11 and is turned back. The folded portion is a surplus portion 22c, and the front end side of the surplus portion 22c hangs the end portion 22a around the first end edge portion 23c of the length adjusting ring 23, and the overlapping first bands 22 are connected to the suture line 22h. Are integrated with each other to form a loop 22d, which is connected to the first end edge 23c of the length adjusting ring 23.
[0024]
The width of the first band through hole 27a in the length direction of the first band 22 (the distance between the first end edge portion 23c and the central post portion 23e) is the same as the width of the second band through hole 27b (the central post portion 23e and the first post portion 23e). The distance between the two edge portions 23d is narrower. In particular, the width of the first band passage hole 27a is inserted into the first band passage hole 27a when the first band 22 is pulled in the horizontal direction of the drawing around the length adjusting ring 23 as shown in FIG. The passing direction of the insertion portion 22e in the first band 22 is perpendicular to the opening surface of the first band through hole 27a (in FIG. 5, a virtual line perpendicular to the opening surface of the first band through hole 27a is denoted by 33).
[0025]
Further, the second end edge portion 23 d defining the second band passage hole 27 b in the length adjusting ring 23 is used as a gripping portion when the length adjusting ring 23 is slid along the first band 22. Is done. Therefore, it is preferable that the second band through hole 27b is sized so that the wearer's 12 finger can be put in the second band through hole 27b and the second end edge 23d can be easily gripped.
[0026]
Next, a method for adjusting the length of the first band member 20 by moving the length adjusting ring 23 will be described. Now, the length adjusting ring 23 is moved along the first band 22 from the state of FIGS. 3 and 4 to shorten the distance between the annular member 19 and the band support member 17a in the face piece 11, thereby reducing the first band member. When tightening 20, the second end edge portion 23 d, which is the gripping portion of the length adjusting ring 23, is gripped by a finger and pulled rightward as indicated by an arrow 28.
[0027]
Then, the loop 22d of the surplus portion 22c connected to the first end edge portion 23c of the length adjusting ring 23 is pulled rightward as viewed in FIGS. The tensile force applied to the surplus portion 22c reaches the first band 22 between the length adjusting ring 23 and the band support member 17a. As a result, the first band 22 between the annular member 19 and the band supporting member 17a moves in the band insertion hole 31 of the band supporting member 17a, and the length adjusting ring 23 is moved by the moved length by the first band. 22 along the direction indicated by the arrow 28.
[0028]
When the first band member 20 is tightened in this way, the tensile force applied to the surplus portion 22c via the length adjustment ring 23 is the first portion of the portion extending from the length adjustment ring 23 toward the band support member 17a. Since the first band 22 is positively pulled out from the first band through hole 27a of the length adjustment ring 23, the length adjustment ring 23 is smoothly connected to the first band 22. Slide on the top.
[0029]
By such sliding of the length adjusting ring 23, the length of the surplus portion 22c increases, and conversely, the substantial length of the first band 22 between the annular member 19 and the band support member 17a of the mounting plate 16 is increased. Thus, the first band member 20 is tightened. When the wearer 12 wears the mask 10 with the headband, if the first band member 20 is tightened, the first band 22 may have a reaction force that tends to relax. This reaction force becomes a pulling force that causes the length adjusting ring 23 to slide in the direction opposite to the arrow 28 via the surplus portion 22 c of the first band 22.
[0030]
However, when a pulling force is applied to the insertion portion 22f of the first band 22 inserted through the second band passage hole 27b of the length adjustment ring 23 in the direction of the arrow 29 as seen in FIG. The bent portion 22g formed when the first band 22 gets over the central support portion 23e and enters the narrow first band passage hole 27a and the insertion portion 22e becomes nearly vertical as described above, It is press-contacted to the part 23e. For this reason, the length adjusting ring 23 cannot be slid with respect to the first band 22 only by the pulling force to be loosened by itself, and as a result, the length adjusting ring 23 does not move in the slack direction.
[0031]
As described above, the surplus portion 22c of the first band 22 in the first band member 20 is connected to the first end edge portion 23c of the length adjusting ring 23 by the loop 22d formed on the front end side thereof. In this way, the surplus part is not free. In this embodiment, the distal end side of the surplus portion 22c in the first band 22 is connected to the first end edge portion 23c that defines the first band passage hole 27a in the length adjusting ring 23, but FIG. As shown in FIG. 6, the end 22a of the surplus portion 22c may be hung around the central column portion 23e of the length adjusting ring 23, and a loop 22d may be similarly formed to be connected to the central column portion 23e.
[0032]
In this mask 10 with a headband, the length adjusting ring 23 is used to adjust the length of the first band member 20 in the headband 13. However, the present invention is applied to the case where the first band member 20 is used. It is not limited. 7 to 11 show an example in which the length adjusting ring 23 is used to adjust the length of the second band member 21.
[0033]
When the length adjusting ring 23 is used for the pair of second band members 21 that are wound around the neck 12b of the wearer 12 as shown in FIG. 2, they are engaged with each other as shown in FIGS. A length adjusting ring 23 is interposed in a second band 32 that connects each of the removable first member 25 and second member 26 to each connecting arm 18 of the mounting plate 16. That is, in each second band member 21, the end 32 a on the front end side of the second band 32 is passed through the band insertion hole of the band support member 18 a in the face body 11 and fixed as shown in FIG. 1. The end 32b on the rear end side of the second band 32 passes through the second band passage hole 27b with respect to the length adjusting ring 23 as shown in FIGS. It passes through the first band through hole 27 a and extends toward the buckle 24.
[0034]
The end 32b of the second band 32 that protrudes from the first band through hole 27a of the length adjusting ring 23 is a band insertion hole 25b of the first member 25 and a band insertion hole of the second member 26 that constitute the buckle 24. 26b is movably passed through any one of 26b. The folded portion is the surplus portion 32c, and the front end side of the surplus portion 32c hangs the end portion 32b around the first end edge portion 23c of the length adjusting ring 23, and the overlapping second bands 32 are stitched together. The loop 32d is formed by integrating at 32h and is connected to the first end edge portion 23c.
[0035]
When the second band member 21 having the length adjusting ring 23 is hung around the neck 12b of the wearer 12, the buckle 24 of the second band member 21 is turned to the back side of the neck 12b, The D-shaped ring 25 a is connected by being engaged with the hook 26 a of the second member 26. Thereafter, the second end edge portion 23d, which is the gripping portion of the length adjustment ring 23 of each second band member 21, is grasped with a finger, and the length adjustment ring 23 is moved along the second band 32 to move each second band edge portion 23d. As a result, the second band member 21 can be fastened to the neck portion 12b. In the example shown in FIGS. 7 and 8, the length adjustment ring 23 is provided on both the pair of second band members 21, but the length adjustment ring 23 is provided only on one of the second band members 21. It may be provided.
[0036]
9 to 11 show still another example of the second band member 21. Unlike the example shown in FIGS. 7 and 8, the second band member 21 uses a rectangular ring body, that is, a connecting ring 30 as a joint instead of using the buckle 24. The pair of second band members 21 are connected in advance by the connecting ring 30 to be substantially one second band member 21. When the second band member 21 is hung around the neck 12b of the wearer 12, it is hung around the neck 12b as shown in FIG. In this example, only the first member 25 and the second member 26 of the buckle 24 shown in FIGS. 7 and 8 are replaced with the connection ring 30, and the second band between the connection ring 30 and the band support member 18a is obtained. The attachment structure in which the length adjusting ring 23 is interposed in 32 is the same as the embodiment shown in FIGS.
[0037]
12 (a) and 12 (b) are a plan view showing a length adjusting ring 123 having a mode different from those shown in FIGS. 1 to 11, and a cross-sectional view taken along the line 12b-12b in FIG. 12 (a) and 12 (b) show a part of the first band member 20 in which the length adjusting ring 123 is slidably attached to the first band 22, and the length shown in FIGS. Components that are the same as or corresponding to those of the adjustment ring 23 are given the same reference numerals, and descriptions thereof are omitted.
[0038]
The length adjusting ring 123 includes a third band passage hole 120 on the side opposite to the center support portion 23e with the first end edge portion 23c as a boundary. The width of the third band passage hole 120 in the band length direction can be inserted through the first band 22 and is preferably smaller than about twice the thickness of the first band 22. The third band through hole 120 can be defined as follows. That is, in the length adjustment ring 23 shown in FIGS. 3 and 4, the first and second side edge portions 23a and 23b are extended beyond the first end edge portion 23c, and the end portions of the extended edge portions 122a and 122b are extended. In the middle, the third end edge portion 121 is arranged in parallel to the first end edge portion 23c to connect the end portions. When actually manufacturing such a length adjusting ring 123, it is integrally formed of a synthetic resin, a metal or the like in the same manner as the length adjusting ring 23 described above.
[0039]
In the case of the length adjusting ring 123, the end portion 22a of the surplus portion 22c is passed through the third band through hole 120 immediately after being wound around the first end edge portion 23c. For this reason, the portion that is wound around the first end edge 23c is strongly pressed against the first end edge 23c, so that the tensile force acting on the first band 22 in the normal use state of the headband 13 is not used. The portion that hangs around the first end edge 23c does not slide relative to the first end edge 23c, and the end 22a of the surplus portion 22c is connected to the length adjusting ring 123 in a substantially non-removable manner. The
[0040]
In this way, the end 22a of the surplus portion 22c is substantially passed through the length adjusting ring 123 just by passing the end portion 22a of the surplus portion 22c around the first end edge portion 23c and passing through the third band through hole 120. However, when adjusting the pull-out length of the end portion 22a passed through the third band passage hole 120, the end portion 22a may come out of the third band passage hole 120. Is also expected. Therefore, the end 22a passed through the third band through hole 120 is folded and doubled so that the end 22a passed through the third band through hole 120 does not come out, and is sewn (sewn line 124). Thus, it is preferable to integrally form the retaining portion 125.
[0041]
Further, even when the width of the third band through hole 120 is larger than about twice the thickness of the first band 22, the doubled end portion 22a has high bending rigidity and is difficult to be deformed. Therefore, it is possible to function as the retaining portion 125 without easily passing through the third band through hole 120. In particular, when the end portion 22a after passing through the third band through hole 120 is folded and integrated by sewing to be doubled, the end edge of the end portion 22a folded as shown in FIG. It stands up in a direction away from the surface of the other band 22 superimposed around the sewing portion. Therefore, when the end portion 22a tries to come out of the third band through hole 120, the raised portion is locked to the first end edge portion 23c, so that the end portion 22a of the surplus portion 22c from the third band through hole 120 It is preferable because it is more reliably prevented from coming out.
[0042]
In the first band member 20 using the length adjusting ring 123, the length of the first band member 20 is adjusted by moving the length adjusting ring 123 along the first band 22, and the surplus portion. It is also possible to change the length of the end portion 22a of 22c from the third band through hole 120. For example, if the mask 10 with a headband is used for a long period of time, the first band 22 of the first band member 20 may be elongated due to deterioration, and the adjustment partition may not be formed by the movement of the length adjusting ring 123 alone. It is done. Such a case can be dealt with by pulling out the end portion 22a of the surplus portion 22c from the third band through hole 120.
[0043]
Further, when this length adjusting ring 123 is used, the end portion 22a of the surplus portion 22c can be sufficiently pulled out from the third band through hole 120, and then it can be folded twice and sewn. Since it is not necessary to sew in the state of being wound around the first end edge portion 23c as in the example of FIG. 4, the sewing operation is facilitated as much and the first band portion 20 is easily manufactured.
[0044]
In the above description of the length adjustment ring 123, the case where this is used for the first band portion 20 is taken as an example, but the second band member 21 is also replaced with the length adjustment ring 23 shown in FIGS. The length adjusting ring 123 having a different aspect can be used by being slidably attached to the second band 32.
[0045]
【The invention's effect】
  According to the mask with a headband of the present invention, the band is passed through the first and second band through holes straddling the central support portion of the length adjusting ring, and one end of the band is slid into the band insertion hole such as a face piece. The folded end is connected to the first end edge of the length adjusting ring.And a second end edge than the distance between the first end edge part and the center post part, in addition to being hung around one of the center post part and being substantially non-removably connected to the length adjusting ring. Since the space between the center and the central column is wide, it is easy to put the finger between the second edge and the central column and hold the second edge, therebyThe headband can be quickly tightened when the face piece is brought into close contact with the face.
[Brief description of the drawings]
FIG. 1 is a perspective view showing a mask with a headband of the present invention.
FIG. 2 is a perspective view showing a wearer wearing a mask with a headband.
FIG. 3 is a partial plan view of a first band member to which a length adjusting ring is attached.
4 is a cross-sectional view of the first band member cut along line 4-4 of FIG.
FIG. 5 is a partial cross-sectional view showing a first band passing through a first band through hole of a length adjusting ring.
FIG. 6 is a cross-sectional view showing a length adjusting ring in which an end portion of a surplus portion of the first band is connected to a central support post portion.
FIG. 7 is a front view showing a second band member to which a length adjusting ring is attached.
8 is a cross-sectional view of a second band member cut along line 8-8 in FIG.
FIG. 9 is a front view showing another example of the second band member to which the length adjusting ring is attached.
10 is a cross-sectional view of the second band member cut along line 10-10 in FIG.
FIG. 11 is a perspective view showing the second band member hung around the neck of the wearer.
12 (a) is a partial plan view of a first band member using length adjusting rings of different modes, and FIG. 12 (b) is a cross-sectional view taken along line 12b-12b of FIG. 12 (a). FIG.
FIG. 13 is a cross-sectional view schematically showing a conventional band length adjustment structure.
FIG. 14 is a cross-sectional view schematically showing still another conventional band length adjustment structure.
[Explanation of symbols]
10 Mask with headband
Eleven faces
12 Wearers
12a back of head
12b Neck
13 Headband
15 Filter mounting part
16 Headband mounting plate
20 First band member
21 Second band member
22 First band
22a Front end of first band
22b Rear end of first band
22c Surplus part of the first band
22d loop
23, 123 Length adjustment ring
23a, 23b first and second side edges
23c, 23d first and second edge portions
23e Center post
24 buckle
25 First member
25a D-shaped ring
25b Band insertion hole
26 Second member
26a hook
26b Band insertion hole
27a First band through hole
27b Second band through hole
30 connecting rings
31 Band insertion hole
32 Second Band
120 Third band hole
125 Retaining part

Claims (3)

  1. In a mask with a headband comprising a face body capable of being in close contact with a wearer's face and capable of inhaling and exhausting, and a headband for closely attaching the face body to the face,
    The headband includes a band and at least one length adjusting ring for adjusting the length of the band;
    The length adjustment ring includes first and second side edges extending in parallel with each other along both sides of the band, and ends of the first and second side edges across the band. The first and second end edges facing each other in the length direction of the band and the first and second edges so that the distance between the first and second end edges is divided into two in the length direction of the band. A center post portion extending between the side edges, each side edge portion, the first end edge portion, and the center post portion define a first band-passing hole, and each side edge portion and A second end edge portion and the central strut portion define a second band through hole;
    The band passes through the first band through hole after passing through the second band through hole of the length adjusting ring and slidably straddling the central column part,
    The end of the band coming out of the first band through hole is passed through a band insertion hole different from the first and second band through holes of the length adjusting ring in the mask with headband and folded. The end portion of the folded portion is hung around one of the first end edge portion and the central support column portion, and is further connected to the length adjustment ring so as to be substantially non-removable . An interval in the length direction of the band of the one band through hole is made narrower than an interval in the length direction of the band of the second band through hole, while the interval of the second band through hole is inserted into the finger. A mask with a headband, wherein the mask is sized to grip the second end edge .
  2. The end portion of the folded portion is overlapped by being wound around one of the first end edge portion and the central support column portion, and is substantially non-removably connected by integrating the overlapping end portions. The mask with a headband according to claim 1.
  3. The length adjusting ring includes a third band through hole formed on the opposite end side to the first band through hole with the first end edge as a boundary, and through which the band can be inserted. said end portion, said after being Kai over the first edge portion is passed through the third band through hole, said end portion is the third by integrally folding the swiped said end portion The mask with a headband according to claim 1, wherein the mask is attached to the length adjustment ring so as not to be removed from the band-passing hole and is substantially non-removable.
JP2002175862A 2002-06-17 2002-06-17 Mask with headband Active JP3840509B2 (en)

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JP2002175862A JP3840509B2 (en) 2002-06-17 2002-06-17 Mask with headband

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JP2004016488A JP2004016488A (en) 2004-01-22
JP3840509B2 true JP3840509B2 (en) 2006-11-01

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Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005079726A1 (en) 2004-02-23 2005-09-01 Fisher & Paykel Healthcare Limited Breathing assistance apparatus
EP1737524B1 (en) 2004-04-02 2018-10-10 Fisher & Paykel Healthcare Limited Breathing assistance apparatus
US9072852B2 (en) 2004-04-02 2015-07-07 Fisher & Paykel Healthcare Limited Breathing assistance apparatus
CA2890556C (en) 2006-07-14 2018-05-01 Fisher & Paykel Healthcare Limited Breathing assistance apparatus
US10258757B2 (en) 2008-05-12 2019-04-16 Fisher & Paykel Healthcare Limited Patient interface and aspects thereof
US20110146685A1 (en) 2008-05-12 2011-06-23 Olivia Marie Allan Patient interface and aspects thereof
WO2010041966A1 (en) 2008-10-10 2010-04-15 Fisher & Paykel Healthcare Limited Nasal pillows for a patient interface
WO2011062510A1 (en) 2009-11-18 2011-05-26 Fisher & Paykel Healthcare Limited Nasal interface
US9561338B2 (en) 2010-10-08 2017-02-07 Fisher & Paykel Healthcare Limited Breathing assistance apparatus
SG10201700946YA (en) 2012-08-08 2017-03-30 Fisher & Paykel Healthcare Ltd Headgear for patient interface
USD823455S1 (en) 2017-02-23 2018-07-17 Fisher & Paykel Healthcare Limited Cushion assembly for breathing mask assembly
USD824020S1 (en) 2017-02-23 2018-07-24 Fisher & Paykel Healthcare Limited Cushion assembly for breathing mask assembly
USD823454S1 (en) 2017-02-23 2018-07-17 Fisher & Paykel Healthcare Limited Cushion assembly for breathing mask assembly

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