JP2012057264A - Dust-proof hood with shield - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a dust-proof hood with a shield which allows the eyebrows to fall from the same by preventing adhesion of them, etc. even when falling from a wearing person (worker) to the inner face of the shield.SOLUTION: The shield 51 of the dust-proof hood 11 with shield is attached to a part of a rim of a vision securing opening 22 of a head-covering hood body 21 at a position corresponding to the eyes of the wearing person. An air inflow opening H is formed between the upper end of the shield 51 and the hood body 21, and the shield 51 is attached to a part of the rim of the vision securing opening 22 in the state that the lower end and the right and left ends of the shield 51 are overlapped with the corresponding rim of the vision securing opening 22.

Description

  The present invention relates to a shielded dust-proof hood worn by an operator when working in a clean room such as a semiconductor manufacturing factory or pharmaceutical factory.

  In manufacturing processes such as semiconductor manufacturing factories and pharmaceutical factories, it is a big problem that foreign substances such as hair generated by workers are mixed into products.

  Therefore, in a clean room, a dust-proof hood and dust-proof clothing are worn to prevent foreign substances from workers from entering the product.

  The dust-proof hood is a product that covers only the head of the dust-proof clothing, and is usually worn as a set with the dust-proof clothing.

  A skirt is formed at the bottom of the dust-proof hood, and the skirt is placed (contained) inside the dust-proof clothing to prevent foreign objects such as hair from coming out of the gap between the hood and the dust-proof clothing. ing.

  Although the dust-proof hood can prevent hair from being mixed into the product, the problem of eyebrows, eyelashes, etc. falling from the gap in the hood's visibility securing opening has still not been solved.

  In view of this, a shielded dust-proof hood having a pocket for preventing eyebrows and eyelashes from dropping off has been proposed (see, for example, Patent Document 1).

Japanese Patent No. 4175581

  Since the shielded dust-proof hood described in Patent Document 1 is attached so that the shield completely closes the visibility securing opening, even if the eyebrows fall from the operator (wearer), The eyebrows and the like stay in the hood main body, so that the eyebrows and the like are not dropped into the clean room and mixed into the product.

  However, if the eyebrows fall off the operator's head and remain attached to the inner surface of the shield, the field of view is blocked by the eyebrows, etc., making it difficult to perform the work or making a visual inspection mistake during the visual inspection There is sex.

  In addition, since the nose pad is not provided, exhalation rises and flows to the shield side, and moisture contained in the exhalation may adhere to the shield and cloud the shield.

  In addition, the hood main body may be in direct contact with the periphery of the nose and feel uncomfortable or uncomfortable, or may make it difficult to breathe.

  The present invention has been made to solve the above-described disadvantages. Even if the eyebrows fall from the wearer (operator), the eyebrows can be dropped so as not to adhere to the inner surface of the shield. Provided is a dust-proof hood with a shield that can prevent flow to the shield side and prevent the hood main body from coming into direct contact with the periphery of the nose so as not to feel uncomfortable wearing.

  The invention according to claim 1 is a dust-proof hood with a shield in which a shield is attached to a part of the periphery of a view securing opening provided at a position corresponding to the eyes of the wearer of the hood body covering the head. An opening for air inflow is formed between the upper end portion of the shield and the hood body, and the lower end portion and the left and right end portions of the shield overlap the corresponding peripheral edge of the visibility securing opening portion. Is attached to a part of the periphery of the visual field securing opening.

  The invention according to claim 2 is the dustproof hood with shield according to claim 1, wherein the shield is inclined to the front side from the lower side to the upper side, and the shield has the view securing opening. It is attached to a part of the periphery.

  In the invention according to claim 3, a shield is attached to a part of the peripheral edge of the view securing opening provided at a position corresponding to the eyes of the wearer of the hood main body covering the head, In a dust-proof hood with a shield in which a breathing opening provided at a position corresponding to the mouth of the wearer is covered with a breathable material, in the state worn by the wearer on the inner side of the hood body, A mountain-shaped nose pad that abuts is provided.

  According to a fourth aspect of the present invention, in the dust-proof hood with a shield according to the third aspect, the nose pad is sewn to the hood main body at a part of both ends.

  In the invention according to claim 5, a shield is attached to a part of the peripheral edge of the view securing opening provided at a position corresponding to the eyes of the wearer of the hood main body covering the head, In a dustproof hood with a shield in which a breathing securing opening provided at a position corresponding to the mouth of the wearer is covered with a breathable material, an air inflow opening between the upper end of the shield and the hood body The shield is attached to a part of the peripheral edge of the visibility securing opening in a state where the lower end portion and the left and right end portions of the shield overlap the corresponding peripheral edge of the visibility securing opening, A mountain-shaped nose pad that abuts against the nose in a state worn by the wearer is provided on the inside of the bag.

In the clean room, an air flow (down flow) from the ceiling to the floor is generated, and according to the first aspect of the present invention, an air inflow opening is formed between the upper end of the shield and the hood body. Therefore, when the downflow enters the hood body from the air inflow opening, it is possible to prevent air from staying in the hood body and prevent stuffiness in the hood body and to wear eyebrows etc. Even if it falls from a worker (operator), it can be dropped so as not to adhere to the inner surface of the shield.
Further, since the airflow enters the hood from the shield, it is possible to suppress the exhalation from flowing from the inside of the hood toward the shield side, and it is possible to prevent the shield from being clouded by the exhalation.

  According to the second aspect of the present invention, since the shield is inclined forward from the lower side to the upper side, the space for spectacles can be secured, so that the wearer feels uncomfortable or cramped even if the spectacle user wears it. I don't feel anymore.

According to the third aspect of the present invention, the mountain-shaped nose pad that comes into contact with the nose in a state worn by the wearer is provided inside the hood main body. By closing the gap, it is possible to prevent exhalation from rising and flowing to the shield side, and to prevent the shield from being clouded by exhalation.
In addition, since the space between the nose and the hood body can be secured by the nose pad, the hood body does not directly contact the nose and feels uncomfortable and uncomfortable.

  According to the invention described in claim 4, since the nose pad is sewn to the hood body at a part of both ends, the nose pad can be moved around the sewn portion when worn, so that the nose pad can be prevented from being caught. It can be worn easily.

  According to the invention described in claim 5, since the air inflow opening is formed between the upper end of the shield and the hood body, the same effect as the shielded dustproof hood described in claim 1 is obtained. Moreover, since the mountain-shaped nose pad which contact | abuts a nose in the state which the wearer wore was provided inside the food | hood main body, the effect similar to the dust-proof hood with a shield of Claim 3 is acquired. be able to.

It is a perspective view which shows the wearing condition of the dustproof hood with a shield which is one Example of this invention. It is a perspective view of the state which removed the shield in the wearing condition shown in FIG. It is a front view of the dustproof hood with a shield shown in FIG. It is a top view of the dustproof hood with a shield shown in FIG. It is a bottom view of the dustproof hood with a shield shown in FIG. It is a right view of the dust-proof hood with a shield shown in FIG. It is sectional drawing by the AA line in FIG. It is explanatory drawing which shows the inner side of the front side part of the dustproof hood with a shield shown in FIG. It is a front view of the attachment state of a shield. (A) is a rear view of a nose pad, (b) is a left side view of the nose pad, and (c) is a cross-sectional view taken along line BB in FIG. 10 (b).

  Embodiments of the present invention will be described below with reference to the drawings.

  1 is a perspective view showing a wearing state of a dust-proof hood with a shield according to an embodiment of the present invention, FIG. 2 is a perspective view showing a state where a shield is removed in the wearing state shown in FIG. 1, and FIG. 3 is shown in FIG. FIG. 4 is a plan view of the shielded dustproof hood shown in FIG. 1, FIG. 5 is a bottom view of the shielded dustproof hood shown in FIG. 1, and FIG. 6 is a shield shown in FIG. FIG. 7 is a cross-sectional view taken along line AA in FIG. 4, FIG. 8 is an explanatory view showing the inside of the front portion of the dust-proof hood with shield shown in FIG. 1, and FIG. FIG. 10 (a) is a rear view of the nose pad, FIG. 10 (b) is a left side view of the nose pad, and FIG. 10 (c) is a sectional view taken along line BB in FIG. 10 (b). is there.

  In the following description, front and rear, left and right, and top and bottom are front and rear, left and right, and top and bottom as viewed from the wearer.

  As shown in FIG. 1, a dust-proof hood 11 with a shield according to an embodiment of the present invention has a cylindrical shape having a zenith that covers the wearer's head and has no breathability. An annular non-breathable skirt portion 31 that is attached to the lower side and covers the shoulder of the wearer, and a plurality of tightening adjustment mechanisms 41 and 42 that are attached to the rear outer side of the hood main body 21 and adjust the tightening state of the hood main body 21. (See also FIG. 6).

  The hood main body 21 is provided with a view securing opening 22 for securing a view at a position corresponding to the eyes of the wearer, and securing a breath for securing breathing at a position corresponding to the mouth of the wearer. The opening 23 for use is provided, and openings 25L, 25R (see also FIG. 7) for securing listening are provided at positions corresponding to both ears of the wearer.

  A shield 51 is attached to the portion of the above-described visibility securing opening 22 by a plurality of attachment members 54 (see FIG. 9) so that eyebrows and the like do not come out from the inside of the hood main body 21. .

  As shown in FIG. 9, the shield 51 has a rectangular shape (substantially elliptical) with a front viewing angle, and a lower central portion (a portion corresponding to the nose) cut upward in an arc shape. A shield body 52 that is transparent and bendable and has been subjected to antifogging processing, a shield body end protection member 53 that is attached (sewn) so as to cover the periphery of the shield body 52, and the shield For example, attachment member portions constituting attachment members 54 attached to, for example, the central portion of the lower end portion and the left and right end portions are attached to the shield body 52 from above the body end portion protection member 53.

  Although not shown in FIG. 1, the attachment member 54 is disposed on the inner side of the periphery corresponding to the plurality of attachment members 54 attached to the shield 51 of the view securing opening 22 provided in the hood main body 21. For example, each member to be attached is attached.

  When the shield 51 is attached to the periphery of the view securing opening 22 of the hood main body 21 by the attachment member 54, as shown in FIG. 1, a crescent-shaped shape is formed between the upper end of the shield 51 and the hood main body 21. An air inflow opening H is formed, the lower end and both left and right ends of the shield 51 overlap with the corresponding peripheral edges of the view securing opening 22, and the lower end and both left and right ends of the shield 51 are positioned inside the hood body 21. It is attached in the state to do.

  And inside the hood main body 21, as shown in FIG. 5, the left end portion of the shield 51 is covered from the inside so that the left end portion of the attached shield 51 does not directly contact the wearer's left face. The shield-like left end cover 56L is attached, and the right end of the shield 51 is covered from the inside so that the right end of the attached shield 51 does not directly contact the wearer's right face. For example, a mesh-like shield right end A cover 56R is attached.

  As shown in FIG. 1, the above-described breath securing opening 23 is attached (sewn) to the inside of the periphery of the breath securing opening 23 (the periphery excluding the periphery communicating with the view securing opening 22). ) It is covered with a breathable material 24 having a filter function.

  This breathable material 24 swells in a forward direction away from the wearer's mouth and is sewn into a front convex shape that can secure a space in the wearer's mouth.

  The listening securing opening 25L described above is covered with a mesh-like air-permeable material 26L having a filter function attached (sewn) to the inside of the periphery of the listening securing opening 25L.

  Further, as shown in FIG. 7, the listening securing opening 25R is covered with a mesh-like breathable material 26R having a filter function attached (sewn) inside the periphery of the listening securing opening 25R. Yes.

  As shown in FIGS. 1, 7, and 8, a nose pad 61 that abuts (contacts) the wearer's nose when worn as shown in FIGS. 1, 7, and 8. Is sewn.

  As shown in FIG. 10, the nose pad 61 is formed into a rod-like body in which an elastic material (elastic body) 64 is packed as a filling material (anko) inside two flexible cloths 62 and 63, and then protrudes upward. By folding the center part in the length direction into the shape, pushing the rear side of the center part downward, and fastening the part pushed down to the shape (attached part M shown in FIG. 10 (a)), the chevron shape (Inverted V shape).

  As shown in FIG. 8, a part of the front end portions that contact (contact with) the nose (the attached portion N indicated by a dotted line in FIGS. 10A and 10B) is the breathable material 24 (hood main body 21). It is sewn on the inside upper side.

  As shown in FIGS. 4 and 6, the above-described tightening adjustment mechanism 41 has a first band with one end attached to the upper left front side of the hood main body 21 and a second end attached to the upper right front side of the hood main body 21. The strap is composed of a strap and a first adjuster that is attached to the other end of the second strap and adjusts the grip position (lock position) on the other end of the inserted first strap.

  In addition, as shown in FIGS. 1, 4, and 6, the tightening adjustment mechanism 42 includes a third strap with one end attached to the lower left front side of the hood body 21, and one end on the lower right front side of the hood body 21. For example, it is composed of an attached fourth strap and a second adjuster that is attached to the other end of the fourth strap and adjusts the grip position (lock position) on the other end of the inserted third strap. ing.

According to the shielded dust-proof hood 11 of one embodiment of the present invention, since the air inflow opening H is formed between the upper end of the shield 51 and the hood main body 21, the downflow is the air inflow opening. By entering the hood main body 21 from H, air can be prevented from staying in the hood main body 21, and even if eyebrows fall from the wearer, it is dropped so as not to adhere to the inner surface of the shield 51. Can do.
Therefore, the work can be easily performed, and the visual inspection can be normally performed in the visual inspection.

  Further, since the shield 51 is inclined frontward from the lower side to the upper side, a space for spectacles can be secured, so that the wearer feels uncomfortable or cramped even when wearing by the spectacle user.

  In addition, since the shield 51 is detachably attached to the peripheral edge of the visibility securing opening 22 by a plurality of attachment members 54, the hood main body 21 and the like can be washed by removing the shield 51 from the hood main body 21, The shield 51 can be replaced.

  In addition, since the plurality of attachment members 54 are attached to the inner periphery of the hood main body 21 at the periphery of the visibility securing opening 22 and the lower end portion and the left and right end portions of the shield 51, Even if the attachment member 54 is damaged, it is possible to prevent fragments of the attachment member 54 from coming out of the hood main body 21 and being mixed into a product or the like.

  In addition, since the shield left end cover 56L that covers the left end portion of the shield 51 from the inside and the shield right end cover 56R that covers the right end portion of the shield 51 from the inside are provided, the left and right ends of the shield 51 are on the wearer's face. By not being in direct contact (contact) with the left and right, it is possible to prevent the left and right end portions of the shield 51 from sticking to the left and right of the wearer's face, so that a feeling of discomfort is not felt.

  Moreover, since the mountain-shaped nose pad 61 which contact | abuts a nose in the state which the wearer wore was provided inside the hood main body 21, the circumference | surroundings of the nose and the hood main body 21 are obstruct | occluded by the nose pad 61. Thus, exhalation can be prevented from rising and flowing to the shield 51 side, and a space can be secured between the periphery of the nose and the hood body 51 by the nose pad 61, so that the hood body 21 is directly placed around the nose. You will not feel contact and feel uncomfortable or uncomfortable.

  In addition, since the nose pad 61 is sewn to the hood body 21 at a part of both ends, the nose pad 61 can be moved around the sewn portion when worn, so that the nose pad 61 is not caught and easy to wear. Can be done.

  In addition, since the breathable material 24 is sewn in a shape that swells in the forward direction away from the wearer's mouth, it is possible to secure a space around the wearer's mouth, so that no breathing is felt.

  In the above-described embodiment, the example in which the attachment members 54 are detachably attached to the hood main body 21 in three places (three) has been shown, but the attachment members 54 may be in three places (three) or more. Good.

  In addition, an example is shown in which the shield 51 is detachably attached to the inside of the peripheral edge of the visibility securing opening 22 so as to form an air inflow opening H between the upper end of the shield 51 and the hood body 21. However, the shield 51 is detachably attached to the outside of the peripheral edge of the view securing opening 22 so as to form an air inflow opening H between the upper end of the shield 51 and the hood body 21, or The shield 51 is sewn inside the periphery of the view securing opening 22 so as to form an air inflow opening H between the upper end and the hood main body 21, or the upper end of the shield 51 and the hood main body 21 are A similar effect can be obtained by sewing the shield 51 to the outside of the peripheral edge of the visual field securing opening 22 so that the air inflow opening H is formed between them.

DESCRIPTION OF SYMBOLS 11 Dust-proof hood with shield 21 Hood body 22 Opening for ensuring visibility 23 Opening for ensuring breathing 24 Breathable material 25L Opening for securing listening 25R Opening for securing listening 26L Breathable material 26R Breathable material 31 Skirt portion 41 Tightening adjustment Mechanism 42 Tightening adjustment mechanism 51 Shield 52 Shield body 53 Shield body end protection member 54 Mounting member 56L Shield left end cover 56R Shield right end cover 61 Nose pad 62 Cloth 63 Cloth 64 Elastic material H Air inflow openings M, N portion

Claims (5)

In the shielded dustproof hood in which the shield is attached to a part of the periphery of the opening for securing the visual field provided at the position corresponding to the eyes of the wearer of the hood body covering the head,
An air inflow opening is formed between the upper end of the shield and the hood body, and the lower end and the left and right ends of the shield overlap with the corresponding peripheral edges of the visibility securing opening. It is attached to a part of the peripheral edge of the visibility securing opening,
A dust-proof hood with a shield. In the dustproof hood with a shield according to claim 1,
In a state where the shield is inclined frontward from the lower side to the upper side, the shield is attached to a part of the periphery of the visibility securing opening,
A dust-proof hood with a shield. A position where the shield is attached to a part of the periphery of the visibility securing opening provided at a position corresponding to the eyes of the wearer of the hood body covering the head, and the position of the hood body corresponding to the mouth of the wearer In a dustproof hood with a shield whose breathing opening provided in is covered with a breathable material,
In the state where the wearer is wearing the hood body, a mountain-shaped nose pad that contacts the nose is provided.
A dust-proof hood with a shield. In the dustproof hood with a shield according to claim 3,
The nose pad is sewn to the hood body at a part of both ends.
A dust-proof hood with a shield. A position where the shield is attached to a part of the periphery of the visibility securing opening provided at a position corresponding to the eyes of the wearer of the hood body covering the head, and the position of the hood body corresponding to the mouth of the wearer In a dustproof hood with a shield whose breathing opening provided in is covered with a breathable material,
An air inflow opening is formed between the upper end of the shield and the hood body, and the lower end and the left and right ends of the shield overlap with the corresponding peripheral edges of the visibility securing opening. Attached to a part of the peripheral edge of the visibility securing opening,
In the state where the wearer is wearing the hood body, a mountain-shaped nose pad that contacts the nose is provided.
A dust-proof hood with a shield.

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