WO2016106054A1 - Boucle pour régler la longueur d'une sangle et masque respiratoire comprenant ladite boucle - Google Patents

Boucle pour régler la longueur d'une sangle et masque respiratoire comprenant ladite boucle Download PDF

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Publication number
WO2016106054A1
WO2016106054A1 PCT/US2015/066227 US2015066227W WO2016106054A1 WO 2016106054 A1 WO2016106054 A1 WO 2016106054A1 US 2015066227 W US2015066227 W US 2015066227W WO 2016106054 A1 WO2016106054 A1 WO 2016106054A1
Authority
WO
WIPO (PCT)
Prior art keywords
strap
buckle
fixing piece
respirator
buckles
Prior art date
Application number
PCT/US2015/066227
Other languages
English (en)
Inventor
Junghan Kim
Original Assignee
3M Innovative Properties Company
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 3M Innovative Properties Company filed Critical 3M Innovative Properties Company
Priority to KR1020177020811A priority Critical patent/KR20170089965A/ko
Priority to JP2017534199A priority patent/JP2018507009A/ja
Priority to CN201580070220.4A priority patent/CN107105803B/zh
Publication of WO2016106054A1 publication Critical patent/WO2016106054A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
    • A62B18/02—Masks
    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
    • A44B11/00—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts
    • A44B11/02—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts frictionally engaging surface of straps
    • A44B11/06—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts frictionally engaging surface of straps with clamping devices
    • A44B11/12—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts frictionally engaging surface of straps with clamping devices turnable clamp
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
    • A62B18/08—Component parts for gas-masks or gas-helmets, e.g. windows, straps, speech transmitters, signal-devices
    • A62B18/084—Means for fastening gas-masks to heads or helmets
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
    • A41D13/05—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting only a particular body part
    • A41D13/11—Protective face masks, e.g. for surgical use, or for use in foul atmospheres
    • A41D13/1161—Means for fastening to the user's head
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
    • A62B18/02—Masks
    • A62B18/025—Halfmasks

Definitions

  • the present invention relates to a buckle for adjusting the length of a strap and a respirator including the same.
  • Respirators are worn to prevent dust, motes, stenches, or gas from being introduced into a mouth or nose of a human body. Respirators having various shapes are used according to purposes. In particular, the usage of respirators is required for reasons of health and safety of workers at industrial sites.
  • respirators that are convenient to wear Due to characteristics of respirators that are required to be worn several times, even in one day, respirators that are convenient to wear have been produced.
  • respirators that are wearable in such a way that elastic bands are connected to both sides of a cover that can cover the mouth and the nose and the elastic bands are placed around the back of the head and a respirator body is in close contact with a face portion have also been suggested.
  • respirators having a structure in which a hook fixed to the elastic band at one side of the respirator is caught on the elastic band at the other side of the respirator at the back of the head, or a separate hanging member is provided and the elastic bands at both sides of the respirator are simultaneously caught on the hanging member have been suggested.
  • the respirators having the above-mentioned structure can be fixed to the face by performing only an operation of catching the elastic bands on the hook or the hanging member, and thus, a wearer can wear the respirator quickly and conveniently.
  • respirators having the above structure it is not possible to adjust the length of each elastic band.
  • respirators having a structure in which a length adjustment portion, in which elastic bands are sewn at a connection point between the elastic bands and a respirator body and are supported in a frictional manner, is formed and when the wearer pulls distal ends of the elastic bands, the length of each elastic band can be adjusted have been suggested.
  • the respirator body is connected to the elastic bands at four points (left top/bottom, right top/bottom) for stable support.
  • the length of each elastic band needs to be adjusted, there is an inconvenience that the elastic bands should be pulled at all of the four points, respectively.
  • the length of each elastic band can be adjusted by pulling the elastic bands in a direction in which the elastic bands are wound, but the elastic bands are not pulled but are fixed in an opposite direction to the direction in which the elastic bands are wound.
  • the remaining portion (from the length adjustment portion to distal ends) of the elastic bands, after the length of each elastic band is adjusted, is located at the wearer's face. This is not
  • the present invention is directed to providing a buckle for adjusting the length of a strap, which is capable of improving the convenience in adjusting the length of each of the elastic bands and performing bidirectional length adjustment of each elastic band and in which the remaining portion of the elastic bands does not interfere with a wearer's field of vision, and a respirator including the same.
  • a buckle for adjusting the length of a strap includes: a buckle body that extends in one direction; and a gripping portion that is formed in the buckle body and grips a strap connected to one side of a respirator body, wherein the gripping portion may include: an opening configured to pass through the buckle body, a fixing piece connected to one end of the opening through a hinge; and a fixing protrusion which protrudes from a sidewall of the other end of the opening and on which the fixing piece configured to pivot about the hinge and press-fit into the opening is fixedly caught, and the strap is gripped by the sidewalls perpendicular to the other end of the opening and sides of the fixing piece opposite the sidewalls of the other end when the fixing piece is fixed by the fixing protrusion.
  • the one or more embodiments of the present invention provide a buckle for adjusting the length of a strap, which is capable of improving the convenience in adjusting the length of each of elastic bands and performing bidirectional length adjustment of each elastic band and furthermore, in which the remaining portion of the elastic bands can be removed from a wearer's field of vision, and a respirator including the same.
  • FIG. 1 is a perspective view of a buckle and a respirator including the same according to an embodiment of the present invention.
  • FIG 2 is a perceptive view illustrating an open state of the buckle illustrated in FIG. 1.
  • FIG. 3 is a perspective view illustrating a state in which the buckle of FIG. 2 is closed to fix bands.
  • FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3.
  • FIG. 5 is a cross-sectional view taken along line B-B of FIG. 3.
  • FIG. 6 is a view illustrating a state in which a pair of buckles is fastened to each other in
  • FIG. 7 is a perspective view illustrating an example of a respirator to which only one buckle of FIG 2 is applied.
  • FIG. 8 is a view illustrating another example of a respirator to which only one buckle of FIG. 2 is applied.
  • FIG. 9 is a view illustrating a buckle according to another embodiment of the present invention.
  • FIG. 1 is a perspective view of a buckle and a respirator including the same according to an embodiment of the present invention.
  • a respirator 1 having a buckle 30 for adjusting lengths of straps 21 and 22 may include a respirator body 10 that prevents foreign substances from being introduced into a respiratory organ while being in contact with a wearer's face when the respirator 1 is worn, a first strap 21 and a second strap 22 that are connected to both sides of the respirator body 10, respectively, and one or more buckles 30 that grip at least one of the first strap 21 and the second strap 22 and connect the first strap 21 and the second strap 22 to each other at the back of the wearer's head.
  • the respirator body 10 may be formed to cover the wearer's mouth and nose and may include a protruding portion so that the wearer does not feel discomfort.
  • the respirator body 10 may include a filter for filtering air inhaled by the wearer.
  • the respirator body 10 may include a filtering structure 11 including one or more filtering layers and a support structure 12 that supports the filtering structure 11 and maintains a shape.
  • the filtering structure 11 may have a sheet shape or other various shapes and configurations.
  • the filtering structure 11 may include a fluid permeable surface area through which air may pass when the wearer inhales or exhales.
  • the filtering structure 11 may be a particle capture filter or a gas and steam filter.
  • the respirator body 10 may further include an exhalation valve (not shown) that is connected to the filtering structure 11 and is capable of rapidly removing air exhaled by the wearer from an inside of the respirator 1.
  • the exhalation valve may be formed in the center of the respirator body 10.
  • Both ends of the straps may be connected to one side portion of the respirator body 10 and may be formed to pass toward the back of the wearer's head.
  • the straps 21 and 22 may be extended to twice or more the total lengths of the straps 21 and 22 when an external force is applied to the straps 21 and 22, and the straps 21 and 22 may have elasticity to be restored to a relaxed state when the external force is released.
  • the straps 21 and 22 at both sides of the respirator body 10 may be extended to a predetermined length, respectively, may pass toward the back of the wearer's head, and may be connected to each other by the buckles 30.
  • each of the straps 21 and 22 may have a length of about 25 to 60 cm, a width of 5 to 10 mm, and a thickness of 0.9 to 1.5 mm.
  • the straps 21 and 22 may be manufactured of various materials, for example, thermosetting rubber, a thermoplastic elastomer, a combination of braided or knitted yarn/rubber, and a braided non-elastic component.
  • the buckles 30 may connect the straps 21 and 22 at both sides of the respirator body 10 at the back of the wearer's head.
  • the buckles 30 may be fixed to the strap (the first strap 21) connected to one side of the respirator body 10 by gripping the strap (the first strap 21) and may be selectively connected to the strap (the second strap 22) connected to the other side of the respirator body 10 by a future wearer.
  • the buckles 30 may be configured so that a position of a point at which the buckles 30 grip the straps 21 and 22, may be shifted when the straps 21 and 22 are relatively pulled with respect to the buckles 30. That is, relative positions of the buckles 30 that grip the straps 21 and 22 and the straps 21 and 22 may be changed by holding the buckles 30 and pulling the straps 21 and 22 toward one side. In this case, although the straps 21 and 22 are pulled toward any one side based on the buckles 30, the relative positions of the buckles 30 and the straps 21 and 22 may be changed.
  • the straps 21 and 22 are pulled using the buckles 30 so that lengths of the straps 21 and 22 between the side portion of the respirator body 10 and the buckles 30 may be adjusted in a bilateral direction.
  • the wearer pulls free ends 213 and 223 of the straps 21 and 22 while holding the buckles 30 the lengths of the straps 21 and 22 between the side portion of the respirator body 10 and the buckles 30 may be reduced, and when the wearer pulls portions 215 and 225 between the respirator body 10 of the straps 21 and 22 and the buckles, the lengths of the straps 21 and 22 between the side portion of the respirator body 10 and the buckles 30 may be increased.
  • the wearer pulls the free ends 213 and 223 of the straps 21 and 22 or the portions 215 and 225 between the respirator body and the buckles so that the lengths of the straps 21 and 22 between the side portion of the respirator body 10 and the buckles 30 may be optionally reduced or increased.
  • the lengths of the straps 21 and 22 at the back of the wearer's head may be freely adjusted in any direction.
  • tension generated in the straps 21 and 22 may be suitably changed for the wearer when the respirator 1 is worn.
  • the respirator body 10 may effectively be in close contact with the wearer's face.
  • a plurality of buckles 30 may be provided in one respirator 1.
  • a pair of buckles 30 that grip the straps 21 and 22 at both sides of the respirator body 10 may be provided in one respirator 1.
  • the pair of buckles 30 may be fastened to each other so that the straps 21 and 22 at both sides of the respirator body 10 may be connected to each other.
  • the lengths of the straps 21 and 22 gripped by each of the pair of buckles 30 are adjusted so that the wearer may suitably adjust tension generated in the straps 21 and 22 for his/her own head size.
  • a detailed structure for fastening the pair of buckles 30 will be described below.
  • FIG 2 is a perceptive view illustrating an open state of the buckle illustrated in FIG. 1
  • FIG. 3 is a perspective view illustrating a state in which the buckle of FIG. 2 is closed to fix bands.
  • FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3
  • FIG. 5 is a cross-sectional view taken along line B-B of FIG. 3.
  • FIG. 6 is a view illustrating a state in which a pair of buckles is fastened to each other in FIG. 1.
  • each of the pair of buckles 30 may include a buckle body 100, a gripping portion 200 formed in the buckle body 100, a fastening hook 300, and a fastening groove 400.
  • the gripping portion 200, the fastening hook 300, and the fastening groove 400 may be formed on the buckle body 100 in a line side by side.
  • the gripping portion 200 may be formed at one side of the buckle body 100, and the fastening hook 300 and the fastening groove 400 may be formed at the other side of the buckle body 100.
  • Such an embodiment is illustrated in the drawings of the present specification.
  • relative positions of the gripping portion 200, the fastening hook 300, and the fastening groove 400 are not limited thereto, and another type of arrangement may be formed in such a way that the gripping portion 200 is formed in the center of the buckle body 100 and the fastening hook 300 and fastening groove 400 are formed at both sides of the gripping portion 200.
  • the buckle body 100 may be manufactured of a synthetic resin, may extend in one direction, and may have a long shape having a predetermined length.
  • the gripping portion 200, the fastening hook 300, and the fastening groove 400 may be formed in a
  • the buckle body 100 may have a shape of a plate having a predetermined thickness to be stably in close contact with the back of the wearer's head.
  • the gripping portion 200 may be formed in the buckle body 100 and may grip the straps 21 and 22. Furthermore, when the straps 21 and 22 are pulled in one direction in a state in which the gripping portion 200 grips the straps 21 and 22, the straps 21 and 22 may be allowed to slide. Through the gripping portion 200, the straps 21 and 22 may be fixed to the buckles 30, and simultaneously, the lengths of the straps 21 and 22 between the buckle 30 and the side portion of the respirator body 10 may be freely adjusted.
  • the gripping portion 200 may include an opening 210 formed through the buckle body 100, a fixing piece 230 connected to one side of the opening 210 through a hinge 240, and a fixing protrusion 220 formed to protrude from a sidewall of the other side of the opening 210.
  • the fixing piece 230 press-fitted into the opening 210 may be caught on the fixing protrusion 220 so that the fixing protrusion 220 may be fixed.
  • the opening 210 may be a hole which passes through the buckle body 100 of the buckles 30.
  • the opening 210 may be a through hole having a rectangular cross-section that extends in one direction. A surface facing an internal space of the opening 210 may form sidewalls.
  • the hinge 240 connects one side of the opening 210 and one end of the fixing piece 230, and the fixing piece 230 is pivoted about the hinge 240 and thus may be inserted into the opening 210.
  • the fixing piece 230 may be easily pivoted about the hinge 240 so that significant damage to the fixing piece 230 or the hinge 240 may not occur.
  • the hinge 240 may be a member formed of a flexible material.
  • the fixing piece 230 which is a member having a shape and a size that may be inserted into the internal space of the opening 210, may be a rectangular member that extends in one direction, similar to the opening 210.
  • the fixing piece 230 may be coupled to the fixing protrusion 220 formed to protrude from a sidewall of the opening 210 when the fixing piece 230 is inserted into the opening 210.
  • the fixing protrusion 220 may be formed at an opposite side to an end connected to the hinge 240 of the opening 210, and the other end at the opposite side to the end connected to the hinge 240 of the fixing piece 230 may meet with the fixing protrusion 220 when the fixing piece 230 is inserted into the internal space of the opening 210.
  • the hinge 240 and the fixing protrusion 220 may be respectively provided at sidewalls of both ends in a lengthwise direction of the opening 210, and one end in a lengthwise direction of the fixing piece 230 (hereinafter, referred to as a 'fixing end of the fixing piece') may be connected to the hinge 240, and the other end in the lengthwise direction of the fixing piece 230 (hereinafter, referred to as a 'free end of the fixing piece') may meet with the fixing protrusion 220.
  • the free end of the fixing piece 230 may have a shape which matches the shape of the fixing protrusion 220.
  • an inclined surface 220S may be formed by an end of the fixing protrusion 220.
  • the inclined surface 220S may be formed in an inclined shape so that the fixing piece 230 may be lowered toward a direction in which the fixing piece 230 is pivoted into the opening 210.
  • the protruding portion of the fixing protrusion 220 may have a V shape.
  • a groove having a shape which matches the V-shaped fixing protrusion 220 may be formed in the other end of the fixing piece 230.
  • a seating protrusion 232 may be formed on one surface of the fixing piece 230.
  • the one surface on which the seating protrusion 232 is formed may be a wide surface (inner surface of the fixing piece) facing the opening 210 in a state in which the fixing piece 230 is open, and an inclined surface 232S may be formed at an end of the seating protrusion 232 to be lowered toward the inner surface of the fixing piece 230.
  • the thickness of the fixing piece 230 may be reduced as it gets closer to the free end of the fixing piece 230.
  • a V-shaped groove may be formed by a surface (outer surface of the fixing piece) facing the outside (not the opening of the free end having a relatively small thickness) and the inclined surface 232S of the end of the seating protrusion 232. That is, the fixing protrusion 220 may be inserted between the outer surface of the free end of the fixing piece 230 and the inclined surface 232S of the end of the seating protrusion 232. Thus, the fixing piece 230 may be caught on the fixing protrusion 220.
  • the inclined surface 232S of the end of the seating protrusion 232 may be formed at an angle corresponding to the inclined surface of the fixing protrusion 220 so that the fixing protrusion 220 may be stably seated between the seating protrusion 232 and the outer surface of the fixing piece 230.
  • the fixing piece 230 is pivoted about the hinge 240 and thus may be changed from a state in which the fixing piece 230 is not caught on the fixing protrusion 220 (hereinafter, referred to as an Open state'), as illustrated in FIG. 2, into a state in which the fixing piece 230 is caught on the fixing protrusion 220 illustrated in FIG. 3 (hereinafter, referred to as a 'closed state').
  • the outer surface of the fixing piece 230 may be pressed by a finger.
  • the outer surface of the fixing piece 230 may refer to the wide surface facing the outside (not the opening 210) in a state in which the fixing piece 230 is opened.
  • the fixing piece 230 When an assembler or the wearer presses the outer surface of the fixing piece 230, the fixing piece 230 may be inserted into the internal space of the opening 210, and the free end of the fixing piece 230 is caught on the fixing protrusion 220 so that the fixing piece 230 may be fixed in a closed state.
  • the inclined surface 230S may be formed on the other end, i.e., the free end of the fixing piece 230 to be lowered toward the inner surface of the fixing piece 230.
  • the inclined surface 230S may facilitate the moving of fixing piece 230 over the fixing protrusion 220 when the fixing piece 230 is press-fitted into the opening 210.
  • the fixing piece 230 is pivoted so that the inclined surface 230S of the free end of the fixing piece 230 meets the inclined surface 220S of the fixing protrusion 220.
  • the fixing protrusion 220 may be inserted into the groove formed between the inner surface of the fixing piece 230 and the seating protrusion 232.
  • the above-described shape and coupling structure of the fixing protrusion 220 and the fixing piece 230 are simple examples, and the present invention is not limited thereto. Shapes of the fixing protrusion 220 and the fixing piece 230 may be changed in various ways according to the shape of the buckles 30 or necessity.
  • a separation space with a predetermined distance may be formed between sides of the fixing piece 230 and the sidewalls of the opening 210.
  • the separation space may be formed at sidewalls of the opening 210 at which no hinge 240 or fixing protrusion 220 is formed, i.e., between sidewalls in a widthwise direction of the opening 210 and sides in a lengthwise direction of the fixing piece 230.
  • the fixing piece 230 may be formed so that its width may be smaller than that of the opening 210.
  • the separation space may be formed at both sides of the fixing piece 230, i.e., between both sides in the widthwise direction of the fixing piece 230 and sidewalls of the opening 210 that face both sides.
  • the present invention is not limited to this configuration.
  • the straps 21 and 22 connected to the respirator body 10 may be accommodated in and inserted into the separation space formed at the side portion of the fixing piece 230.
  • the straps 21 and 22 may be inserted into the separation space and thus may be gripped by the gripping portion 200.
  • the straps 21 and 22 may be located at the side portion of the fixing piece 230 in a state in which the fixing piece 230 is opened, and then the fixing piece 230 may be press-fitted into the opening 210 so that the straps 21 and 22 may be inserted into the separation space.
  • the fixing piece 230 is caught on and fixed to the fixing protrusion 220 so that the straps 21 and 22 may be naturally inserted into the separation space.
  • the straps 21 and 22 may be gripped by ends perpendicular to the ends of the fixing piece 230 coupled to the fixing protrusion 220. That is, the fixing protrusion 220 is engaged with the ends of the fixing piece 230 in the lengthwise direction, whereas the straps 21 and 22 are gripped by the sides of the fixing piece 230 in the widthwise direction and the sidewalls of the opening 210 that face the sides of the fixing piece 230.
  • coupling of the fixing protrusion 220 and the fixing piece 230 may be prevented from being interfered with by the straps 21 and 22.
  • a coupling force of the fixing protrusion 220 and the fixing piece 230 is not affected by the tension generated in the straps 21 and 22 or the external force applied to the straps 21 and 22 so that the fixing piece 230 may be firmly maintained in a closed state.
  • the straps 21 and 22 may slide in the direction. That is, when the free ends 213 and 223 of the straps 21 and 22 are pulled, the straps 21 and 22 may slide outward in the separation space, and the lengths of the free ends 213 and 223 may be increased, and when the portions 215 and 225 of the straps 21 and 22 at the respirator body 10 are pulled, the straps 21 and 22 may slide toward the respirator body 10, and the lengths of the free ends 213 and 223 may be reduced.
  • the lengths of the straps 21 and 22 between the respirator body 10 and the buckles 30 may be increased or reduced.
  • the wearer may properly adjust the tension generated in the straps 21 and 22 to allow the respirator body 10 to be in close contact with the face.
  • a width d of the separation space may be determined by a thickness t of a strap inserted into the separation space so that the straps 21 and 22 may be inserted into the separation space, may be maintained to be gripped by the buckles 30 and may slide when the straps 21 and 22 are pulled.
  • the width d of the separation space may be smaller than the thickness t of the strap.
  • the width d of the separation space may be a size at which the straps 21 and 22 may be gripped against the tension generated in the straps 21 and 22 to maintain a state in which the respirator 1 is worn but the straps 21 and 22 may slide with respect to tension having a predetermined amount or more generated when the wearer pulls the straps 21 and 22.
  • the width d of the separation space is smaller than the thickness t of the strap, the straps 21 and 22 are held tight by the fixing piece 230 and the sidewalls of the opening 210.
  • a frictional force generated therebetween is greater than the tension when the respirator body 10 is supported to be in close contact with the face portion, and thus the buckles 30 may serve to fix the straps 21 and 22.
  • the width d of the separation space is set so that the frictional force becomes smaller than a force generated by the wearer by intentionally pulling the straps 21 and 22, when the straps 21 and 22 are pulled, the straps 21 and 22 may slide and the lengths of the straps 21 and 22 may be adjusted.
  • the width d of the separation space may be smaller than the thickness t of the strap at a predetermined ratio.
  • the width d of the separation space may be about 90% of the thickness t of the strap.
  • the width d of the separation space may be smaller than the thickness t of the strap by a predetermined size.
  • the width d of the separation space may be about 0.2 mm smaller than the thickness t of the strap.
  • the relationship between the width d of the separation space and the thickness t of the strap may differ according to properties and materials of the straps 21 and 22.
  • the properties and materials of the straps 21 and 22 may include the thickness t of the strap, elasticity, surface roughness, and a material.
  • the optimum relationship between the width d of the separation space and the thickness t of the strap may be derived by repeatedly performing experiments on the particular straps 21 and 22.
  • At least a part of the sides of the fixing piece 230 may be formed as a curved surface 230C.
  • the straps 21 and 22 are inserted into the separation space, the straps 21 and 22 are in contact with the sides of the fixing piece 230 and the sidewalls of the opening 210.
  • a curved surface is formed in the sides of the fixing piece 230, the straps 21 and 22 may slide more easily when the straps 21 and 22 are pulled.
  • the fastening hook 300 may be formed to protrude from the buckle body 100 in one direction, and the fastening groove 400 may be formed to pass through the buckle body 100.
  • the fastening hook 300 formed in one buckle 30 may be configured to be fastened to the fastening groove 400 formed in the other buckle 30.
  • the fastening hook 300 may be formed so that an end of the fastening hook 300 may be bent to have an L-shaped cross-section. When the fastening hook 300 is inserted into the fastening groove 400, the bent end of the fastening hook 300 may be caught on an edge of the fastening groove 400 so that the fastening hook 300 may be maintained being inserted into the fastening groove 400.
  • the fastening hook 300 and the fastening groove 400 formed in two buckles 30, respectively are fastened to each other so that the pair of buckles 30 may be connected to each other.
  • the pair of buckles 30 may grip the straps 21 and 22 at both sides of the respirator body 10, respectively. That is, one buckle 30 may grip the first strap 21, and the other buckle 30 may grip the second strap 22.
  • the fastening hook 300 of the buckle 30 that grips the first strap 21 is fastened to the fastening groove 400 of the buckle 30 that grips the second strap 22 so that the first strap 21 and the second strap 22 may be connected to each other,
  • the wearer fixes the first strap 21 and the second strap 22 to two different buckles 30, respectively, and then puts the respirator body 10 on his/her own face portion and fastens the two buckles 30 to each other at the back of the head, the straps 21 and 22 connected to both sides of the respirator body 10 may be connected to each other along the back of the wearer's head.
  • the wearer may adjust the length of each of the first strap 21 and the second strap 22.
  • bilateral length adjustment of the straps 21 and 22 may be performed by only pulling the straps 21 and 22 in a state in which the wearer wears the respirator 1.
  • the straps 21 and 22 may be freely adjusted to be tight or loose without performing a cumbersome operation or taking off the respirator 1.
  • the wearer can conveniently and suitably adjust the tension generated in the straps 21 and 22 for his/her own head, and the respirator 1, which a person having a small head can wear conveniently, can be provided.
  • the respirator body 10 is connected to the straps 21 and 22 at four points (left top/bottom, right top/bottom) so that the respirator body 10 may be stably supported
  • the lengths of all of the straps 21 and 22 may be adjusted using only two buckles 30. That is, since, in the present embodiment, one of the straps 21 and 22 may be fixed using one buckle 30 and the other of the straps 21 and 22 may be fixed using one buckle 30, by adjusting the length of each of the straps 21 and 22 using two buckles 30, respectively, all of the tension generated in the straps 21 and 22 connected to the respirator body 10 at four points may be changed.
  • the remaining portions (free ends) of the straps 21 and 22 are also located at the back of the wearer's head when the lengths of the straps 21 and 22 are reduced.
  • the remaining portions of the straps 21 and 22 do not interfere with the wearer's sight or are not cumbersome and as such, the efficiency of a task can be improved.
  • both straps 21 and 22 of the respirator body 10 may be connected using the same two buckles 30. That is, no separate member is required to connect the buckles 30, and members having different shapes with respect to the male and female relationship are not necessary as the buckles 30 that are fastened to each other so that only a single type of buckle 30 has to be produced. As a result, manufacturing cost and production cost can be reduced.
  • FIG. 7 is a perspective view illustrating an example of a respirator to which only one buckle of FIG. 2 is applied
  • FIG. 8 is a view illustrating another example of a respirator to which only one buckle of FIG. 2 is applied.
  • FIG. 9 is a view illustrating a buckle according to another embodiment of the present invention.
  • a respirator la may include only a single buckle 30.
  • the single buckle 30 may grip one strap 21 of first and second straps connected to both sides of the respirator body 10, respectively.
  • the other strap 22 may be fixed to the buckle 30 in a different way.
  • the first strap 21 may be gripped by a gripping portion 200 of the buckle 30, and the second strap 22 may be caught on the fastening hook 300 of the buckle 30. That is, in a state in which both ends of the second strap 22 are connected to one side of the respirator body 10, a portion between both ends of the second strap 22 is caught on the bent end of the fastening hook 300, like a hook so that the second strap 22 may be fixed to the buckle 30.
  • the buckle 30 includes the fastening groove 400.
  • the first strap 21 may be gripped by the gripping portion 200 of the buckle 30, and the second strap 22 may be knotted and tied to the fastening groove 400 of the buckle 30. In this case, the buckle 30 may not include a fastening hook.
  • first strap 21 and the second strap 22 may be connected to each other using only a single buckle 30, and the free end 213 of the first strap 21 or the portion 215 between the respirator body 10 and the buckle 30 is selectively pulled so that the length of only the first strap 21 may be adjusted and the tension generated in the straps 21 and 22 may be suitably adjusted for the wearer's head size.
  • a through hole 500 through which the straps may pass may be formed in sidewalls of the fastening groove 400.
  • the through hole 500 may have a shape of a gap formed when a part of the sidewalls of the fastening groove 400 is cut.
  • a width or diameter of the through hole 500 may be equal to or greater than the thickness of each of the straps 21 and 22 so that the straps 21 and 22 may easily pass through the through hole 500.
  • the straps 21 and 22 may pass through the through hole 500 and thus may be inserted into the fastening groove 400. As the straps 21 and 22 are inserted into the fastening groove 400, the straps 21 and 22 may be caught on the fastening groove 400.
  • a buckle 30b may not include a fastening hook.
  • first strap 21 and the second strap 22 may be gripped by the gripping portion of the buckle 30b, and the other, e.g., 22, of the first strap and the second strap may be caught on the fastening groove of the buckle 30b.
  • first strap 21 and the second strap 22 may be connected to each other using only a single buckle 30, and the length of only the first strap 21 is adjusted so that the tension generated in the straps 21 and 22 may be suitably adjusted for the wearer's head size.
  • Item 1 is directed to a buckle for adjusting a length of a strap, the buckle including: a buckle body that extends in one direction; and a gripping portion that is formed in the buckle body and grips a strap connected to one side of a respirator body, wherein the gripping portion includes: a fixing piece connected to one end of an opening formed in the buckle body; a hinge that moves the fixing piece by rotation; and a fixing protrusion which is disposed at the other end of the opening and on which the fixing piece is selectively caught and fixed, and the strap is inserted into a space between the fixing piece and sidewalls of the opening and is gripped by the gripping portion when the fixing piece is fixed by the fixing protrusion.
  • Item 2 is directed to the buckle of item 1, wherein, in a state in which the gripping portion grips the strap, the gripping portion allows a length of the strap between a side portion of the respirator body and the buckle to be selectively reduced or increased by pulling a free end of the strap or a portion between the respirator body and the buckle.
  • Item 3 is directed to the buckle of item 1 and item 2, wherein a separation space is formed between the sidewalls of the opening and sides of the fixing piece that face the sidewalls of the opening, and the strap is inserted into the separation space.
  • Item 4 is directed to the buckle of item 1 to item 3, wherein the strap is maintained in a state of being inserted into the separation space, and the free end of the strap is pulled so that the length of the strap between the side portion of the respirator body and the buckle is reduced, and the portion between the respirator body and the buckle is pulled so that the length of the strap between the side portion of the respirator body and the buckle is increased.
  • Item 5 is directed to the buckle of item 1 to item 4, wherein a width of the separation space is smaller than a thickness of the strap.
  • Item 6 is directed to the buckle of item 1 to item 5, wherein the width of the separation space is 0.2 mm smaller than the thickness of the strap.
  • Item 7 is directed to the buckle of item 1 to item 6, wherein the width of the separation space is 90% of the thickness of the strap.
  • Item 8 is directed to the buckle of item 1 to item 7, further including a seating protrusion formed on one surface of the fixing piece facing the opening and having one end on which an inclined surface lowered toward the fixing piece is formed, wherein an end of the fixing protrusion forms an inclined surface, and the inclined surface is lowered in a direction in which the fixing piece is pivoted into the opening, and the fixing protrusion is inserted into a groove formed by the inclined surface of the seating protrusion and the one surface of the fixing piece.
  • Item 9 is directed to the buckle of item 1 to item 8, wherein an inclined surface is formed on the other end of the fixing piece and is lowered toward the opening, and the inclined surface of the fixing piece moves over the inclined surface of the fixing protrusion when the fixing piece is press-fitted into the opening.
  • Item 10 is directed to the buckle of item 1 to item 9, further including: a fastening groove formed to pass through the buckle body; and a fastening hook that is formed to protrude from the buckle body and has an end that is bent to have an L-shaped cross-section.
  • Item 11 is directed to the buckle of item 1 to item 10, wherein two buckles are fastened to each other when one fastening hook is caught on the other fastening groove.
  • Item 12 is directed to a respirator including: a respirator body that contacts a wearer's face when the respirator is worn; first and second straps connected to both sides of the respirator body, respectively; and one or more buckles that grip the first strap to connect the first strap and the second strap at a back of the wearer's head, wherein, by pulling a free end of the first strap or a portion between the respirator body and the buckle, the one or more buckles grip the first strap in such a way that a length of the first strap between a side portion of the respirator body and the buckle is selectively reduced or increased.
  • each of the one or more buckles includes: a buckle body that extends in one direction; and a gripping portion that is formed in the buckle body and grips a strap connected to one side of the respirator body, wherein the gripping portion includes: a fixing piece connected to one end of an opening formed in the buckle body; a hinge that moves the fixing piece by rotation; and a fixing protrusion which is disposed at the other end of the opening and on which the fixing piece is selectively caught and fixed, and the strap is inserted into a space between the fixing piece and sidewalls of the opening and is gripped by the gripping portion when the fixing piece is fixed by the fixing protrusion.
  • Item 14 is directed to the respirator of item 12 and item 13, wherein a separation space is formed between the sidewalls of the opening and sides of the fixing piece that face the sidewalls of the opening, and the strap is inserted into the separation space.
  • Item 15 is directed to the respirator of item 12 to item 14, wherein a width of the separation space is smaller than a thickness of the strap.
  • Item 16 is directed to the respirator of item 12 to item 15, wherein the one or more buckles are provided as a pair of buckles, and in a state in which one of the pair of buckles grips the first strap and the other of the pair of buckles grips the second strap, the pair of buckles are fastened to each other so that the first strap and the second strap are connected to each other at a back of the wearer's head.
  • each of the one or more buckles includes: a buckle body that extends in one direction; a fastening groove formed through the buckle body; and a fastening hook that is formed to protrude from the buckle body and has an end that is bent to have an L-shaped cross-section, and the pair of buckles are fastened to each other when one fastening hook is caught on the other fastening groove.
  • Item 18 is directed to the respirator of item 12 to item 17, wherein the one or more buckles connect the first strap and the second strap at the back of the wearer's head when the first strap is gripped by the one or more buckles at one side of the one or more buckles and the second strap is fixed to the other side of the one or more buckles.
  • each of the one or more buckles further includes: a buckle body that extends in one direction; a gripping portion that is formed at one side of the buckle body and grips the first strap; and a fastening hook that is formed to protrude from the buckle body at the other side of the buckle body and has an end that is bent to have an L-shaped cross-section, and the second strap is caught on the fastening hook and is fixed to the one or more buckles.
  • Item 20 is directed to the respirator of item 12 to item 19, wherein each of the one or more buckles further comprises a through hole formed in sidewalls of the fastening groove, and the second strap passes through the through hole, is inserted into the fastening groove, is caught on the fastening groove and is fixed to the one or more buckles.

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Zoology (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Buckles (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)

Abstract

La présente invention concerne une boucle permettant de régler la longueur d'une sangle et un masque respiratoire comprenant ladite boucle La boucle permettant de régler la longueur de la sangle comprend les éléments suivants : un corps de boucle qui s'étend dans une direction ; et une partie de préhension qui est formée dans le corps de boucle et saisit une sangle reliée à un côté d'un corps de masque respiratoire. La partie de préhension comprend les éléments suivants : une pièce de fixation reliée à une extrémité d'une ouverture formée dans le corps de boucle ; une charnière qui déplace la pièce de fixation par rotation ; et une saillie de fixation qui est placée à l'autre extrémité de l'ouverture et sur laquelle la pièce de fixation est sélectivement attrapée et fixée, et la sangle est insérée dans un espace entre la pièce de fixation et des parois latérales de l'ouverture et est saisie par la partie de préhension lorsque la pièce de fixation est fixée par la saillie de fixation.
PCT/US2015/066227 2014-12-26 2015-12-17 Boucle pour régler la longueur d'une sangle et masque respiratoire comprenant ladite boucle WO2016106054A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
KR1020177020811A KR20170089965A (ko) 2014-12-26 2015-12-17 스트랩의 길이를 조절하기 위한 버클 및 이를 포함하는 호흡기
JP2017534199A JP2018507009A (ja) 2014-12-26 2015-12-17 ストラップの長さを調整するバックル及びこれを備える呼吸マスク
CN201580070220.4A CN107105803B (zh) 2014-12-26 2015-12-17 用于调整带的长度的带扣和包括该带扣的呼吸器

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020140190138A KR20160080821A (ko) 2014-12-26 2014-12-26 스트랩 길이를 조절하는 버클 및 이를 포함하는 호흡 마스크
KR10-2014-0190138 2014-12-26

Publications (1)

Publication Number Publication Date
WO2016106054A1 true WO2016106054A1 (fr) 2016-06-30

Family

ID=56151434

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2015/066227 WO2016106054A1 (fr) 2014-12-26 2015-12-17 Boucle pour régler la longueur d'une sangle et masque respiratoire comprenant ladite boucle

Country Status (4)

Country Link
JP (1) JP2018507009A (fr)
KR (2) KR20160080821A (fr)
CN (1) CN107105803B (fr)
WO (1) WO2016106054A1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018016926A (ja) * 2016-07-30 2018-02-01 株式会社ノースヴィレッジ 衛生マスク
CN110558795A (zh) * 2019-08-21 2019-12-13 众地家纺有限公司 一种便携调节枕
WO2020049419A1 (fr) * 2018-09-04 2020-03-12 3M Innovative Properties Company Masque
NL2025825B1 (nl) * 2020-06-12 2022-02-16 Talamini Andrea Verstelbare sluiting voor een mondmasker
US20220167692A1 (en) * 2020-11-29 2022-06-02 Makrite Industries Inc. Mask
US11925242B2 (en) 2022-04-04 2024-03-12 Duraflex Hong Kong Limited Buckle with pull ring
US11998089B2 (en) 2020-12-16 2024-06-04 Desidara Clasp and method of retaining garment

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JP2019119960A (ja) * 2017-12-28 2019-07-22 株式会社重松製作所 使い捨て防塵マスク
CN108576970A (zh) * 2018-04-19 2018-09-28 杨丽娜 一种耳带调节器
CN108669682A (zh) * 2018-04-19 2018-10-19 杨丽娜 一种口罩带适配器
CN108567187A (zh) * 2018-04-19 2018-09-25 杨丽娜 一种口罩带调节器
CN108813754A (zh) * 2018-04-19 2018-11-16 杨丽娜 一种耳带长度适配器
CN108523285A (zh) * 2018-04-19 2018-09-14 杨丽娜 一种耳带长度调节器
CN108606377A (zh) * 2018-04-19 2018-10-02 杨丽娜 一种口罩带调节装置
KR102012156B1 (ko) * 2019-03-13 2019-08-19 김강권 길이 조절이 용이한 마스크
KR200493260Y1 (ko) 2020-10-21 2021-03-02 주식회사 베스트유인터내셔널 마스크 귀걸이 고정 상의
KR102285976B1 (ko) * 2020-11-06 2021-08-18 (주)피에이치원 백헤드 착탈식 길이조절형 이어밴드를 갖는 마스크
KR102363927B1 (ko) * 2020-12-02 2022-02-17 온누리플랜(주) 방진 마스크
KR20220137357A (ko) 2021-04-02 2022-10-12 주식회사 에스아이디허브 귀 통증 완화 기능을 구비한 목걸이형 마스크 스트랩
KR102633471B1 (ko) * 2022-04-01 2024-02-05 김풍세 다용도 마스크 클립.
CN117100332B (zh) * 2023-09-20 2024-02-09 北京碧莲盛不剃发植发医疗美容门诊部有限责任公司 一种基于短发不剃发的辅助装置及使用方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0362176A2 (fr) * 1988-09-30 1990-04-04 Adolf Kowal Boucle séparable
US20030140461A1 (en) * 2000-06-15 2003-07-31 Peter Wilcock Buckle
US20090193628A1 (en) * 2008-02-06 2009-08-06 3M Innovative Properties Company Buckle and respirator using such buckle, having a deformable cinch bar, and method
US7650884B2 (en) * 2003-11-21 2010-01-26 3M Innovative Properties Company Respiratory facepiece and method of making a facepiece using separate molds
US20140216476A1 (en) * 2013-02-01 2014-08-07 3M Innovative Properties Company Personal protective equipment strap retaining devices

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2034386U (zh) * 1987-12-17 1989-03-22 姜开侠 服饰上软绳自动锁紧装置
JP3597916B2 (ja) * 1995-07-31 2004-12-08 株式会社ニフコ 紐留め具
CN2395580Y (zh) * 1999-10-09 2000-09-13 台湾扣具工业股份有限公司 织带扣具
EP1275319A1 (fr) * 2001-07-11 2003-01-15 AJS Production, Josette Saunier Anneau ouvert articulé
CN2558249Y (zh) * 2002-07-25 2003-07-02 台湾扣具工业股份有限公司 绳索扣
CN2558248Y (zh) * 2002-07-25 2003-07-02 台湾扣具工业股份有限公司 绳带扣
HK1051113A2 (en) * 2003-02-27 2003-06-27 Chung Nam Watch Co Ltd A buckle for a band or the like
JP2005152229A (ja) * 2003-11-25 2005-06-16 Msa Japan Kk マスク用クリップ
JP2007301174A (ja) * 2006-05-11 2007-11-22 Mikimoto Soshingu:Kk 装身具用留め具
KR100927336B1 (ko) 2007-11-06 2009-11-19 우제정 잠금용 지지대를 갖는 위생 마스크
EP2630887A1 (fr) * 2012-02-23 2013-08-28 CK Montres & Bijoux Co., S.A. Montre-bracelet munie d'un fermoir

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0362176A2 (fr) * 1988-09-30 1990-04-04 Adolf Kowal Boucle séparable
US20030140461A1 (en) * 2000-06-15 2003-07-31 Peter Wilcock Buckle
US7650884B2 (en) * 2003-11-21 2010-01-26 3M Innovative Properties Company Respiratory facepiece and method of making a facepiece using separate molds
US20090193628A1 (en) * 2008-02-06 2009-08-06 3M Innovative Properties Company Buckle and respirator using such buckle, having a deformable cinch bar, and method
US20140216476A1 (en) * 2013-02-01 2014-08-07 3M Innovative Properties Company Personal protective equipment strap retaining devices

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018016926A (ja) * 2016-07-30 2018-02-01 株式会社ノースヴィレッジ 衛生マスク
WO2020049419A1 (fr) * 2018-09-04 2020-03-12 3M Innovative Properties Company Masque
CN110558795A (zh) * 2019-08-21 2019-12-13 众地家纺有限公司 一种便携调节枕
NL2025825B1 (nl) * 2020-06-12 2022-02-16 Talamini Andrea Verstelbare sluiting voor een mondmasker
US20220167692A1 (en) * 2020-11-29 2022-06-02 Makrite Industries Inc. Mask
US11998089B2 (en) 2020-12-16 2024-06-04 Desidara Clasp and method of retaining garment
US11925242B2 (en) 2022-04-04 2024-03-12 Duraflex Hong Kong Limited Buckle with pull ring

Also Published As

Publication number Publication date
KR20160080821A (ko) 2016-07-08
CN107105803A (zh) 2017-08-29
CN107105803B (zh) 2020-03-20
KR20170089965A (ko) 2017-08-04
JP2018507009A (ja) 2018-03-15

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