WO1998023176A1 - Safety cap - Google Patents
Safety cap Download PDFInfo
- Publication number
- WO1998023176A1 WO1998023176A1 PCT/JP1997/004303 JP9704303W WO9823176A1 WO 1998023176 A1 WO1998023176 A1 WO 1998023176A1 JP 9704303 W JP9704303 W JP 9704303W WO 9823176 A1 WO9823176 A1 WO 9823176A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cap
- cap body
- hole
- drainage
- drain
- 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.)
- Ceased
Links
Classifications
-
- A—HUMAN NECESSITIES
- A42—HEADWEAR
- A42B—HATS; HEAD COVERINGS
- A42B3/00—Helmets; Helmet covers ; Other protective head coverings
- A42B3/04—Parts, details or accessories of helmets
- A42B3/28—Ventilating arrangements
- A42B3/281—Air ducting systems
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S2/00—Apparel
- Y10S2/05—Waterproof garment with gutters
Definitions
- the present invention relates to a protection width structure worn for protecting a head in construction work, civil engineering work, and all other work.
- Japanese Utility Model Laid-Open Publication No. 60-143373 discloses that a net or a net-like porous material is formed into a multilayer structure in which missing parts are alternately arranged. A hat is disclosed.
- the invention described in Japanese Utility Model Laid-Open Publication No. 58-7832 also aims to provide a protective cap with air permeability.
- An air ventilator inside a safety protector such as a helmet, vehicle helmet, safety shoes, etc. is disclosed.
- these protective caps do not take into account rain measures when used outdoors.
- Japanese Utility Model Publication No. 42-210108 discloses a helmet that is breathable and provided with measures against rain, but the invention does not provide a small hole on the side of the cap. Because of the drilling, there is a danger that flying or falling objects may enter, and the strength is not sufficient-the helmet's original purpose of protecting the head cannot be achieved. In addition, if work is performed with the helmet leaning forward, rainwater will enter the helmet, which is insufficient as a rain control measure.
- an air guide hole penetrating the inner and outer walls of the cap body is formed, and a drainage channel for discharging water entering the inside of the cap body from the air guide hole to the outside of the cap body is provided on the inner wall of the cap body.
- a vent hole is formed on the upper side in a cross section of the drainage channel at right angles to the drainage direction. It is preferable that the drainage hole of the drainage channel is opened on the outer surface of the cap body.
- the cross section of the drainage channel at right angles to the drainage direction is U-shaped.
- a drain groove having a plurality of ventilation holes formed in a side wall is formed on the outer surface of the cap body, and the drain groove is covered with a lid having an air guide hole. The end is opened to the outside of the cap as a drain hole. It is preferable that the vent hole of the side wall and the air guide hole of the drain groove are formed so that the positions in the drain direction do not overlap.
- the protective cap of the present invention has a concave portion on the surface of the cap body, the concave portion is provided with a vent hole penetrating the inner and outer walls, and an air guide hole and a drain hole are formed at positions not overlapping with the vent hole.
- the cover is configured to cover the recess. It is preferable that the air guide hole and the drain hole are formed of a single hole serving as both. It is preferable that the concave portion has a dish shape, and the concave portion has a substantially circular front shape.
- the recess is formed as a circumferential groove on the surface of the cap body.
- FIG. 1 is a perspective view of a cap body constituting a main body of the protective cap according to the present invention.
- FIG. 2 is a longitudinal sectional side view of the air guide hole 12.
- Fig. 3 is a longitudinal side view of the drainage channel 20, showing a U-shaped cross section (Fig. 3 (a)) and a circular cross section (Fig. 3 (b)).
- FIG. 4 is a partially longitudinal side view showing another embodiment of the protective cap according to the present invention.
- FIG. 5 is a partial longitudinal side view showing another embodiment of the drainage channel according to the present invention.
- FIG. 6 is a partial side view (FIG. 6 (a)) and a partial longitudinal side view (FIG. 6 (b)) showing a modification of the protective cap of FIG.
- FIG. 7 is a partial side view (FIG. 7 (a)) and a partial longitudinal side view (FIG. 7 (b)) showing a modification of the protective cap of FIG. BEST MODE FOR CARRYING OUT THE INVENTION
- FIG. 1 is a perspective view of a cap 10 constituting a main body of the protection width.
- a so-called wearing body or a shock absorber which is usually provided as a protective cap and is attached inside the cap body 10 to mitigate the shock applied to the width body 10 and to prevent the fall,
- the illustration of the liner is omitted.
- the material of the cap 10 synthetic resins such as polyester, polypropylene, polyethylene, polycarbonate, and ABS resin can be used. When strength is emphasized, iron, steel, aluminum, aluminum alloys, and other high-strength alloys can be used. Depending on the application in which the protective cap is used, fiber-reinforced plastics and ceramics can be used. Can also be made of steel.
- the cap body 10 is provided with an air guide hole 12 penetrating the inner and outer walls.
- the air holes 12 are for introducing outside air into the inside of the cap 10, and there are no particular restrictions on the positions of the air holes 12.
- the size of the air guide hole 12 is not particularly limited, and may be any size as long as the strength of the cap body 10 can be maintained.
- the number of air guide holes 12 is preferably about several to several tens.
- the shape of the air guide holes 12 is not limited to a circular shape as illustrated, but may be an elliptical shape or a polygonal shape.
- a weir 14 is provided around the outer wall side of the cap body 10 to prevent rainwater from flowing in around the air guide hole 12.
- a reinforcing ring 16 may be protruded from the inner wall side of the cap body 10.
- Reference numeral 20 denotes a drainage channel provided along the inner wall of the cap body 10 and serves to discharge rainwater that enters the inside of the cap body 10 from the air guide holes 12 to the outside of the cap body 10. It fulfills. For this reason, in the present embodiment, the drainage channel 20 is formed to face the air guide hole 12. did. That is, in FIG. 1, a plurality of air guide holes 12, 1 2,... Are drilled in the front-rear direction of the central part of the cap 10, and drainage is provided at a position connecting these air guide holes 12, 12,. Road 20 is laid.
- the drainage channel 20 is provided corresponding to the air guide hole 12, but there is no particular limitation on the arrangement method (layout) of the drainage channel 20.
- the cap 10 may be provided in the front-rear direction at the center thereof, or may be provided so that the plane has a cross shape as shown by the dashed line in FIG. If the vent hole 12 is not provided at the top of the cap body 10, the drainage channel 20 should be provided on the side of the cap body 10 or a plurality of drainage pipes should be arranged in the front-back direction of the cap body 10. Can also.
- the shape of the drainage channel 20 is not limited to a linear shape, and may be a curved shape or a spiral shape along the inclined surface of the inner wall of the cap body 10.
- the drainage channel 20 can be, for example, a drainage groove 20A having a U-shaped cross section (FIG. 3 (a)) or a drain pipe 20B having a circular shape (FIG. 3 (b)). .
- a drainage groove 20A having a U-shaped cross section (FIG. 3 (a)) or a drain pipe 20B having a circular shape (FIG. 3 (b)).
- the strength of the cap 10 around the air guide hole 12 can be increased.
- the drain pipe 20 B is made of the same material as the cap 10, except for polyvinyl chloride, polyethylene terephthalate, and the like.
- the drainage channel 20 can be configured and manufactured separately from the cap body 10. In this case, it is possible to drill a ventilation hole 12 later and attach a drain pipe 20 B to a conventional protective cap that is not provided with the conventional ventilation measures and rain measures. Become.
- the drain pipe 20B is attached to the inner wall of the cap 10 by appropriately using a fixing tool (not shown) or the like.
- the drain pipe 20B may be detachable.
- a plurality of ventilation holes 22 are formed in the side wall of the drain 20A or the upper side of the drain pipe 20B.
- the size, number and shape of the ventilation holes 2 2 are the same as those of the ventilation holes 1 2 I do.
- the end of the drainage channel 20 is open to the outside of the cap body 0 as a drainage hole 24.
- a drain hole 24 having substantially the same size as the air guide hole 12 is opened on the outer surface of the cap 10 at the front and rear portions of the center of the cap 10.
- the drain hole 24 extends the drain channel 20 as it is, and is opened at the lower inner edge of the cap body 10 as an end of the drain groove 20A or the drain pipe 20B. Is also good.
- the drainage channel 20 functions not only to drain rainwater but also as an air passage. Also, in addition to rainwater, falling objects and flying objects may enter the inside of the cap body 10 through the air guide holes 12, but the drainage channels 20 work as collision plates and direct Ingress is prevented.
- the protective cap of the present invention When the protective cap of the present invention is used outdoors in rainy weather or the like, rainwater enters the drainage channel 20 from the air guide hole 12 of the cap body 10, and flows down along the slope of the drainage channel 20. It is discharged to the outside through the drain hole 24. Wearing a protective cap, which is frequently inclined during work ⁇ Since the vent hole 22 formed in the side wall of the drainage channel 20 is located on the upper side, rainwater can be drained from the vent hole 22 It does not penetrate into the body 10.
- FIG. 4 is a partial side view cut along a surface of the drainage channel 20 perpendicular to the drainage direction.
- the cap body 10 is divided into two members, thereby facilitating the manufacture of the cap body 10.
- the drainage path 20 is formed on the outer surface of the cap body 10 and
- the road 20 is covered with a lid 18 and integrated by ultrasonic welding or another joining method.
- a plurality of air guide holes 12 are formed in the lid 18 at positions facing the drainage channels 20. As described above, it is desirable that the air guide holes 12 and the air holes 22 are formed so that the positions in the drainage direction do not overlap.
- the protective cap of the present invention When the protective cap of the present invention is used for a motorcycle, it is particularly necessary to strictly take measures against rain. This is because the rainwater in the drainage channel 20 enters the inside of the cap 10 from the vent hole 22 with the high-speed airflow generated by the running of the motorcycle. As the rain countermeasures, the drilling positions of the air guide holes 12 and drain holes 24 and the drainage channels 20 are optimal. It is necessary to lay out the layout.
- FIG. 5 (a) is a partial vertical sectional side view showing another embodiment of the drainage channel 20, and FIG. 5 (b) is a side view taken along the line bb in FIG. 5 (a).
- the windshield 30 is installed in front of the ventilation hole 22 (upstream of the airflow), and the high-speed airflow bypasses this outside. As a result, it is possible to prevent rainwater entrained by the high-speed airflow from flowing through the ventilation holes 22.
- FIGS. 6 (a) and 7 (a) are partial side views of the lid 18 viewed from the side of the cap.
- FIG. 7 (b) show side views taken along arrows b—b in FIGS. 6 (a) and 7 (a).
- the same members as those in FIG. 4 are denoted by the same reference numerals as those in FIG.
- the lid 18 is attached to the cap 10 so as to cover the concave portion 20C formed on the outer surface of the cap 10.
- the shape of the concave portion 20 C is a dish shape in FIG. 6, and the front shape is a circular shape.
- c-shaped recesses 20 C formed as circumferential grooves on the outer surface of the cap body 10 are several to several tens in FIG. 6, and one or two in FIG. Good. Accordingly, the lid 18 also has a corresponding shape and number.
- the lid 18 may be attached to the cap 10 by any of joining and fitting.
- the drain holes 24 such as the air guide holes 11 provided in the lid 18 may be provided separately, or may be a single hole serving as both. Since the drain holes 24 are drilled at lower positions, the air guide holes 12 are located at lower positions.If both are provided separately, warm air inside the cap is discharged from the upper air guide holes 12. Therefore, air permeability is enhanced. On the other hand, if there is only one hole that serves as both, there is no air guide hole 12 above, so it will be a protective cap that is excellent against rain.
- the protective cap of the present invention is lightweight, and is excellent in breathability and waterproof measures in rainy weather and the like. In addition, while it is lightweight, it has a high-strength structure, and its safety as a protective cap is high.
- the protective cap of the present invention can be used for various construction work, civil engineering work, heavy equipment operation, vehicle / aircraft operation beams, security work inside and outside the building, police, firefighting, and american football ball.
Landscapes
- Helmets And Other Head Coverings (AREA)
- Closures For Containers (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Description
Claims
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP52451598A JP3542139B2 (ja) | 1996-11-30 | 1997-11-26 | 保護帽 |
| US09/308,886 US6151718A (en) | 1996-11-30 | 1997-11-26 | Safety cap |
| DE69731546T DE69731546T2 (de) | 1996-11-30 | 1997-11-26 | Schutzhelm |
| EP97946794A EP0943249B1 (en) | 1996-11-30 | 1997-11-26 | Safety cap |
| AU51915/98A AU5191598A (en) | 1996-11-30 | 1997-11-26 | Safety cap |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP33505996 | 1996-11-30 | ||
| JP8/335059 | 1996-11-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO1998023176A1 true WO1998023176A1 (en) | 1998-06-04 |
Family
ID=18284302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP1997/004303 Ceased WO1998023176A1 (en) | 1996-11-30 | 1997-11-26 | Safety cap |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US6151718A (ja) |
| EP (1) | EP0943249B1 (ja) |
| JP (1) | JP3542139B2 (ja) |
| AU (1) | AU5191598A (ja) |
| DE (1) | DE69731546T2 (ja) |
| WO (1) | WO1998023176A1 (ja) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020178487A1 (en) * | 2001-06-01 | 2002-12-05 | Shiuh-You Lin | Safety helmet with ventilation holes |
| US20060031978A1 (en) * | 2004-08-10 | 2006-02-16 | Pierce Brendan E | Ventilated helmet system |
| US7975320B2 (en) * | 2005-12-20 | 2011-07-12 | Smith Optics, Inc. | Helmet including vent and actuator assembly for moving vent shutter and methods of using same |
| USD571048S1 (en) * | 2007-03-15 | 2008-06-10 | Fowler David B | Rigid protective helmet |
| USD569555S1 (en) * | 2007-03-15 | 2008-05-20 | Fowler David B | Rigid protective helmet |
| US8117676B1 (en) | 2008-12-01 | 2012-02-21 | Jefferson Cardoso | Hardhat with vent strip and lighting configuration |
| USD607629S1 (en) | 2009-05-04 | 2010-01-12 | Dolawat Puangprasert | Ventilated hat |
| US11766085B2 (en) * | 2011-02-09 | 2023-09-26 | 6D Helmets, Llc | Omnidirectional energy management systems and methods |
| CA3097496C (en) | 2018-04-27 | 2023-09-19 | Trafton D. RODGERS | Baseball cap |
| CN109757815A (zh) * | 2018-12-20 | 2019-05-17 | 西安铂力特增材技术股份有限公司 | 一种透气型头盔外壳 |
| EP4193862A1 (de) * | 2021-12-13 | 2023-06-14 | Optrel Holding AG | Schutzvorrichtung |
| KR102754113B1 (ko) * | 2023-08-25 | 2025-01-14 | (주)에이치제이씨 | 가스켓이 부착된 헬멧 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4220108Y1 (ja) * | 1965-06-19 | 1967-11-22 | ||
| JPS63162824U (ja) * | 1987-04-08 | 1988-10-24 | ||
| JPH08209431A (ja) * | 1995-01-30 | 1996-08-13 | Shiiraizu Corp:Kk | 保護帽 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1170052A (en) * | 1912-04-08 | 1916-02-01 | Magdalena Diener | Ventilated hat. |
| US1991829A (en) * | 1933-09-06 | 1935-02-19 | Texas Harvest Hat Company Inc | Straw helmet hat |
| US3026522A (en) * | 1958-07-02 | 1962-03-27 | Julio Carl J Di | Diving helmet |
| FR2487645A1 (fr) * | 1980-07-30 | 1982-02-05 | Bibollet Jean Claude | Casque de protection mecanique cranienne |
| DE8426051U1 (de) * | 1984-09-04 | 1985-01-31 | Hauptverband der gewerblichen Berufsgenossenschaften e.V., 5300 Bonn | Natürlich belüfteter Arbeitsschutzhelm |
| DE8517547U1 (de) * | 1985-06-15 | 1985-08-01 | Römer GmbH & Co, 7910 Neu-Ulm | Schutzhelm |
| DE9212247U1 (de) * | 1992-09-11 | 1993-04-08 | F. M. Fallert Motor GmbH & Co, Motorrad-Sport KG, 7590 Achern | Sturzhelm mit einer körpergerechten Polsterung und Vorrichtung zu deren Herstellung |
| US5533500A (en) * | 1992-03-04 | 1996-07-09 | Her-Mou; Lin | Helmet with an air filtering device |
| US5940889A (en) * | 1995-08-11 | 1999-08-24 | Sea Raise Corporation Co., Ltd. | Protective cap |
| US5819318A (en) * | 1997-10-16 | 1998-10-13 | Steven Tse | Head covering with adjustable sunshade visor and inside ventilation |
-
1997
- 1997-11-26 WO PCT/JP1997/004303 patent/WO1998023176A1/ja not_active Ceased
- 1997-11-26 JP JP52451598A patent/JP3542139B2/ja not_active Expired - Lifetime
- 1997-11-26 US US09/308,886 patent/US6151718A/en not_active Expired - Fee Related
- 1997-11-26 DE DE69731546T patent/DE69731546T2/de not_active Expired - Lifetime
- 1997-11-26 AU AU51915/98A patent/AU5191598A/en not_active Abandoned
- 1997-11-26 EP EP97946794A patent/EP0943249B1/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4220108Y1 (ja) * | 1965-06-19 | 1967-11-22 | ||
| JPS63162824U (ja) * | 1987-04-08 | 1988-10-24 | ||
| JPH08209431A (ja) * | 1995-01-30 | 1996-08-13 | Shiiraizu Corp:Kk | 保護帽 |
Non-Patent Citations (1)
| Title |
|---|
| See also references of EP0943249A4 * |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3542139B2 (ja) | 2004-07-14 |
| DE69731546D1 (de) | 2004-12-16 |
| DE69731546T2 (de) | 2005-10-27 |
| AU5191598A (en) | 1998-06-22 |
| EP0943249A4 (en) | 2001-08-29 |
| EP0943249B1 (en) | 2004-11-10 |
| EP0943249A1 (en) | 1999-09-22 |
| US6151718A (en) | 2000-11-28 |
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