WO1997006706A1 - Protective cap - Google Patents
Protective cap Download PDFInfo
- Publication number
- WO1997006706A1 WO1997006706A1 PCT/JP1996/002221 JP9602221W WO9706706A1 WO 1997006706 A1 WO1997006706 A1 WO 1997006706A1 JP 9602221 W JP9602221 W JP 9602221W WO 9706706 A1 WO9706706 A1 WO 9706706A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- outer layer
- inner layer
- protective cap
- layer
- hole
- Prior art date
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
-
- 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
- A42B3/283—Air inlets or outlets, with or without closure shutters
-
- 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
- A42B3/06—Impact-absorbing shells, e.g. of crash helmets
- A42B3/062—Impact-absorbing shells, e.g. of crash helmets with reinforcing means
- A42B3/063—Impact-absorbing shells, e.g. of crash helmets with reinforcing means using layered structures
Definitions
- the present invention relates to a structure of a protective cap worn for protection of a head in construction work, civil engineering work and all other works.
- Japanese Utility Model Publication No. 1-43-37-1988 discloses that a net or a net-like porous material is made up of multiple layers so that the missing parts are alternately arranged.
- a molded protective cap is disclosed.
- the invention described in Japanese Utility Model Publication No. 1983-78-8332 also attempts to impart ventilation to the protective cap.
- No. 0 also discloses a work helmet, a vehicle helmet, and an air ventilation device inside a safety protection device such as safety shoes.
- Japanese Utility Model Publication No. 210-208 Showa 42, discloses a helmet that is breathable and has a rain-preventive power, Part Since the small holes are drilled, there is a risk that flying or falling objects may enter and the strength is not sufficient, and the original purpose of the helmet to protect the head cannot be achieved. In addition, if the helmet works in a forward bent state, rainwater will enter the helmet and it is not sufficient as a rain control measure. Disclosure of the invention
- An object of the present invention is to provide a protective cap that is excellent in breathability and ventilation, and has a strong waterproofing property in rainy weather and the like, and is excellent in strength.
- the protective cap of the present invention comprises a cap body having a gap between an inner layer and an outer layer, and a large number of air holes are formed in the inner layer and the outer layer so as to be shifted from each other on the inner layer side and the outer layer side.
- a weir is provided around the air hole, and a spacer consisting of a vertical wall in contact with the inner and outer layers is provided at the center of the air hole or adjacent to the air hole. It is characterized by having.
- the protective cap of the present invention comprises a cap provided with a gap between an inner layer and an outer layer, and a large number of air holes are formed in the inner layer and the outer layer so as to be shifted from each other on the inner layer side and the outer layer side.
- an air circulation hole is formed in the wall surface around the entire circumference of the inner layer ventilation hole, and a spacer composed of a vertical wall in contact with the inner and outer layers is provided.
- the protective cap of the present invention it is desirable to provide a spacer consisting of a vertical wall in contact with the inner and outer layers at the center of or adjacent to the air hole of the outer layer. Further, it is desirable to provide a reinforcing ring around the vent hole of the outer layer.
- the protective cap according to the present invention comprises a cap body having a gap between an inner layer and an outer layer. On the side of the inner layer facing the outer layer, concave and convex stripes extending radially from the apex are alternately formed and the convex stripes are formed. A vent hole is formed in the strip, and on the other hand, a vent hole is formed in the outer layer so as to face the concave strip of the inner layer. The ridge of the inner layer partially contacts the outer layer. Is desirable.
- the protective cap of the present invention is formed by forming a ridge having a ventilation hole on the top of the cap body, and covering the ridge with a gap having a ventilation hole and a drain hole with a gap therebetween. It is characterized in that the air holes of the cover and the air holes of the cover are formed so as not to overlap with each other. In addition, it is desirable that a concave line is formed along the convex line.
- FIG. 1 is a side view of a protective cap shown with a part of the cap body cut away.
- FIG. 2 is an enlarged view of the vicinity of a vent hole formed in an inner layer.
- FIG. 3 shows an embodiment in which the shape of the spacer is modified.
- FIG. 4 shows an embodiment in which the shape and arrangement of the spacer are modified.
- FIG. 5 is an enlarged view of the periphery of the vent hole formed in the outer layer.
- FIG. 6 is a longitudinal side view showing a modification of the weir and the stirrer.
- FIG. 7 is a side view showing the inner layer and the outer layer constituting the cap body separated vertically.
- FIG. 8 is a plan view of a cap formed by applying an outer layer to the inner layer shown in FIG.
- FIG. 9 is a vertical sectional side view of the cap shown in FIG.
- FIG. 10 is a longitudinal sectional side view of a main part showing another embodiment of the cap body.
- FIG. 11 is a vertical sectional side view of a main part showing another embodiment of the cap body.
- FIG. 12 is a perspective view showing the cap body 10 and the cover 30 separated vertically in the embodiment shown in FIG. BEST MODE FOR CARRYING OUT THE INVENTION
- FIG. 12 the best mode of the protective cap according to the present invention will be described with reference to the drawings.
- FIG. 1 is a side view of a protective cap shown with a part of the cap body cut away.
- the cap body 10 constituting the main body of the protective cap is composed of two layers, an inner layer 10OA and an outer layer 10B, and a gap is provided between the two layers with a force of 12.
- synthetic resins such as polyester, polypropylene, polyethylene, polycarbonate, and ABS resin can be used. When strength is important, iron, steel, aluminum, aluminum alloy, and other high-strength alloys can also be used. It can also be made.
- the thickness of the gap 12 is substantially equal in any part of the cap body 10.
- the gap 12 mainly functions as a flow path of air, so that it is sufficient that a space force capable of flowing air is secured. Therefore, it is preferable that the thickness of the gap 12 is 1 to 2 O mm, particularly 3 to 10 mmfg ⁇ .
- a large number of ventilation holes 2OA, 20B are formed in the inner layer 1OA and the outer layer 10B.
- the ventilation holes 20A and 20B are formed substantially uniformly over the entire inner layer 1OA and the outer layer 10B, respectively, and the force 2a and the ventilation hole 2OA and the ventilation hole 20B are offset from each other.
- the air hole 2 OA and the air hole 20 B are configured so as not to overlap with each other because falling objects, flying objects, rainwater, etc., are exposed from the outside of the cap body 10 to the air hole 20 A and the gap 1. This is for preventing entry into the inside of the cap body 10 via the air hole 2 and the ventilation hole 20B.
- the outside air is indicated by an arrow in FIG. As shown by, flows between the inside and the outside of the cap body 10.
- the entirety of the cap 10 is May be arranged, or may be arranged partially, particularly at the upper part as shown in an embodiment described later.
- the arrangement of the ventilation holes 20A and 20B may be regular or irregular.
- the size of the ventilation hole 2 OA 2 OB as well, as long as it can maintain the strength of the cap 10.
- the shape of the ventilation holes 2OA2OB is not limited to a circular shape as shown in the figure, but may be an elliptical shape or a polygonal shape.
- the size and shape of the ventilation hole 2OA and the ventilation hole 20B may be different from each other.
- the vent hole 2OA and the vent hole 20B may be formed in the cap body 10.
- the force to prevent the air hole 20 ° and the air hole 20B from overlapping is important.
- a weir 16 is provided circumferentially around the air hole 20A of the inner layer 10A on the side where the inner layer 10A faces the outer layer 10B.
- FIG. 2 is an enlarged view of the vicinity of the ventilation hole 2 OA of the inner layer 1 OA.
- FIG. 2 (a) is a plan view when the outer layer 10 B is removed, and FIG. 2 (b) is the same. It is a vertical side view by the b-b line of figure (a).
- the weir 16 only needs to be high enough to prevent the entry of raindrops, so it is preferably about 0.1 to 2 Omm, particularly preferably about 1 to 3 mm.
- the weir 16 has a shape that rises vertically upward from the periphery of the ventilation hole 2OA, and the shape of the weir 16 is not limited to this.
- the upper end that rises vertically is Further, the intrusion of raindrops into the ventilation hole 2 OA may be blocked by bending the dam 16 outward or inwardly with respect to the ventilation hole 2 OA.
- a spacer 14 composed of a vertical wall 15 contacting both the inner layer 1OA and the outer layer 10B is provided.
- the vertical wall 15 may be installed in a trifurcated manner across the weir 16 as in the present embodiment, or may be installed crosswise across the weir 16 as shown in FIG. Further, as shown in FIG. 4, it may be installed adjacent to the weir 16 outside the ventilation hole 2 OA.
- the spacer 14 serves to integrally connect the inner layer 1OA and the outer layer 10B, and at the same time, appropriately maintains the gap 12 to allow air to flow. To secure the road. Therefore, it is necessary to prevent the ventilation holes 2OA from being closed by the shape and arrangement of the spacers 14. In the embodiment shown in FIG. 4, the two bent vertical walls 15 are opposed to each other, An air flow passage 22 is secured in the room. Further, the spacer 14 has a role of transmitting the impact applied to the outer layer 10B to the inner layer 1OA and dispersing the impact force.
- the spacer 14B is also provided for the ventilation hole 20B of the outer layer 10B in the same manner as the ventilation hole 2OA.
- the spacer 14B provided for the ventilation hole 20B is a three-pronged vertical wall 15 that is in contact with both the inner layer 1OA and the outer layer 10B at the center of the ventilation hole 20B.
- One or more vertical walls 15 may be installed in the shape or cross, or adjacent to the ventilation holes 20B.
- the spacer 14B also serves to prevent small flying objects from entering through the ventilation holes 20B.
- a reinforcing ring 16B is provided circumferentially around the ventilation hole 20B.
- a reinforcing ring 16B having a vertical wall surface is formed so as to face the inner layer 1OA, and no protrusions appear on the surface of the cap body 10.
- the capture ring 16B is formed on the outer surface side of the outer layer 10B. It works as a weir against raindrops while reinforcing the ventilation holes 2 OB.
- the capturing ring 16B has an inclined wall surface.
- FIG. 6 is a longitudinal sectional side view showing a modification of the weir 16 and the spacer 14.
- a plurality of air circulation holes 24 are provided on the wall of the vertical wall 15 constituting the spacer 14. I have.
- the circulation hole 24 is provided at the upper part of the vertical wall 15 so that rainwater does not enter.
- the shape of the flow hole 24 may be a slit shape as shown in FIG. 6 (a), or a circular shape as shown in FIG. 6 (b).
- the cap body 10 of the present invention covers the inner layer 10A having the perforated hole 20A and the outer layer 10B having the perforated hole 20B formed thereon. It is joined and integrated via the first 14.
- FIG. 7 is a side view showing the inner layer 1OA and the outer layer 10B constituting the cap body 10 separated vertically, and the cap body 10 constitutes the main body of the protective cap.
- a so-called garment which is usually provided as a protective cap and is attached to the inside of the cap body 10 to alleviate the impact applied to the cap body 10 and the cap body 10 to reduce the impact applied to the cap body 10.
- the illustration of the body-impact absorbing liner is omitted.
- a step 11 is formed in the circumferential direction below the inner layer 10 A.
- the outer layer 10 B is applied to the inner layer 10 A, the lower edge force of the outer layer 10 B is applied to the step 11. Locked.
- the concave ridge 17 serves as a flow path for rainwater, and it is sufficient that the concave ridge 17 is relatively concave with respect to the convex ridge 18.
- a U-shaped or V-shaped sectional shape or a flat shape is used. Plane.
- the number of the ridges 17 and the ridges 18 is preferably from 10 to 20.
- a plurality of ventilation holes 2 OA are formed at appropriate positions of the ridges 18.
- the ventilation hole 2 OA is for allowing the outside air to flow, and there is no particular restriction on the position of the ventilation hole 2 OA.
- the number of the ventilation holes 2OA is preferably several to several tens in the entire inner layer 1OA.
- a weir 16 for preventing infiltration of rainwater is formed around the perforated hole 2 OA so as to face the outer layer 10 B.
- a reinforcing ring 16B may be provided around the ventilation hole 20B as shown in FIG.
- the size of the outer layer 10 B is slightly larger than the inner layer 1 OA.
- a plurality of ventilation holes 20B are also formed in the outer layer 10B.
- the air hole 20B is formed so as not to match the air hole 2OA when the inner and outer layers 10A and 10B are overlapped.
- the ventilation hole 20B may be provided so as to face the recess 17 of the inner layer 1OA. The same applies to the size, number and shape of the ventilation holes 20B as for the ventilation holes 2OA.
- Reference numeral 19 denotes drain holes provided at several places at the lower end of the circumference of the outer layer 10B, and serves to discharge rainwater flowing down the concave strip 17 of the inner layer 1OA to the outside of the outer layer 10B. have.
- FIG. 8 is a plan view of the cap body 10 formed by attaching the outer layer 10 B to the inner layer 10 OA shown in FIG. 7.
- the ventilation holes 20 B of the outer layer 10 B are shown by solid lines.
- the ventilation holes 2 OA of the inner layer 1 OA are indicated by two lines each with a dotted line, which indicates that both are provided with a deviation.
- FIG. 9 is a longitudinal side view of the cap body 10 shown in FIG. 8, in which the left half is cut at the position of the concave strip 17 of the inner layer 10A, and the right half is the inner layer 10. It was cut at the position of the ridge 18 of A.
- a gap 12 is formed between both layers 10A and 1OB.
- the thickness of the gap 12 is preferably about 3 to 30 mm at the position of the concave ridge 17 and about 1 to 20 mm at the position of the ridge 18.
- the gaps 12 are provided with the spacers 14 and 14B described above for the purpose of promoting the integration of the inner and outer layers 10A and 10B and increasing the strength of the cap 10 and the like. You may. Further, as shown in the right half of FIG. 9, the role of spacer 14 may be achieved by partially contacting the ridge 18 of the inner layer 1OA with the outer layer 10B.
- the concave strip 17 is not necessarily formed radially from the top of the inner layer 1OA. However, it is preferable to use a line that smoothly discharges rainwater from the front to the back.
- FIG. 10 differs from the above embodiment in that only one ridge 18 is formed on the top of the cap 10.
- FIG. 10 is a partial side view cut along a vertical plane orthogonal to the ridge 18.
- the cover 10 is fitted into the cap 10 so as to cover the ridge 18 and the recesses 17, 17 formed on the both sides thereof along the ridge 18, and the cover 30 is ultrasonic. It is integrated with the cap body 10 by welding or other joining methods.
- the cover 30 is formed with a plurality of ventilation holes 20 B for the same purpose as the above-described embodiment, and the ventilation holes 20 B are located at positions of the ventilation holes 2 OA formed in the ridges 18. Is provided so as not to overlap.
- a gap 12 is formed between the periphery of the ridge 18 of the cap body 10 and the cover 30, and this embodiment is also described in the embodiment shown in FIGS. 7 to 9.
- measures for ventilation and rain are taken.
- the ventilation hole 20 B can be directed in the left-right direction of the cap 10, and therefore, for a motorcycle.
- the number of the protruding ridges 18 is not necessarily limited to one, and a plurality of ridges 18 may be arranged in the front-back direction of the cap body 10.
- FIG. 12 is a perspective view showing the cap body 10 and the cover 30 separated vertically
- FIG. 11 is a sectional view of the cap body 10 cut along a vertical plane orthogonal to the ridge 18.
- This embodiment differs from the embodiment shown in FIG. 10 in that a spacer 26 that comes into contact with the inner wall surface of the cover 30 is raised from the concave strip 17 in the gap 12. .
- the spacer 26 promotes the integration of the cover 30 and the cap body 10 to increase the strength of the cap body 10 and, if provided so as to surround the ventilation hole 2 OA, can provide rainwater. It also serves as a weir to prevent intrusion.
- a concave strip 17 A force is formed on the outer side of the spacer 26 and a concave strip 17 B force is formed on the inner side, so that the measures against rain are more reliable.
- a distributor 28 for circulating air is provided on the upper wall surface of the spacer 26.
- a cushioning material such as styrene foam or various sponges may be provided in the gap 12.
- the protective cap of the present invention is excellent in ventilation and ventilation, and is thorough against rain.
- those with a double cap structure have particularly high strength, excellent impact resistance, and high safety as a protective cap.
- the protective cap of the present invention can be used for various construction work, civil engineering work, heavy equipment operation, vehicle / aircraft operation work, security work inside and outside the building, police, firefighting, etc. 1.
Landscapes
- Helmets And Other Head Coverings (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
- Closures For Containers (AREA)
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU66687/96A AU6668796A (en) | 1995-08-11 | 1996-08-07 | Protective cap |
US08/981,712 US5940889A (en) | 1995-08-11 | 1996-08-07 | Protective cap |
JP50913497A JP3503947B2 (ja) | 1995-08-11 | 1996-08-07 | 保護帽 |
CA002228271A CA2228271C (en) | 1995-08-11 | 1996-08-07 | Protective cap |
DE69617470T DE69617470T2 (de) | 1995-08-11 | 1996-08-07 | Schutzhelm |
EP96926577A EP0890320B1 (en) | 1995-08-11 | 1996-08-07 | Protective cap |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP22710495 | 1995-08-11 | ||
JP7/227104 | 1995-08-11 | ||
JP33807295 | 1995-12-01 | ||
JP7/338072 | 1995-12-01 | ||
JP13071596 | 1996-04-26 | ||
JP8/130715 | 1996-04-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1997006706A1 true WO1997006706A1 (en) | 1997-02-27 |
Family
ID=27316176
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1996/002221 WO1997006706A1 (en) | 1995-08-11 | 1996-08-07 | Protective cap |
Country Status (9)
Country | Link |
---|---|
US (1) | US5940889A (ja) |
EP (1) | EP0890320B1 (ja) |
JP (1) | JP3503947B2 (ja) |
KR (1) | KR100363613B1 (ja) |
CN (1) | CN1130997C (ja) |
AU (1) | AU6668796A (ja) |
CA (1) | CA2228271C (ja) |
DE (1) | DE69617470T2 (ja) |
WO (1) | WO1997006706A1 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0943249A1 (en) * | 1996-11-30 | 1999-09-22 | Sea Raise Corporation Co., Ltd. | Safety cap |
JP2001089924A (ja) * | 1999-09-22 | 2001-04-03 | Tanizawa Seisakusho Ltd | ヘルメット |
JP2009275299A (ja) * | 2008-05-12 | 2009-11-26 | Kaishin:Kk | ヘルメット |
KR20210100333A (ko) * | 2020-02-06 | 2021-08-17 | 동의대학교 산학협력단 | 휴대용 헬멧 |
Families Citing this family (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2962700B2 (ja) * | 1998-01-22 | 1999-10-12 | オージーケー販売株式会社 | ヘルメット装置 |
GB2387102B (en) * | 2002-04-04 | 2005-12-07 | Tunnard Mitchell | Modular helmet |
KR20020064701A (ko) * | 2002-06-18 | 2002-08-09 | 김명원 | 반구형 헬멧의 본체에 공기 통풍용의 관통된 작은 구멍이전체 표면에 일정하게 배열되어 다량으로 뚫혀진 구조의안전 헬멧 |
US6766537B1 (en) * | 2002-12-26 | 2004-07-27 | Polaris Industries Inc. | Protective helmet with detachable shell piece |
US6925655B1 (en) * | 2002-12-26 | 2005-08-09 | Polaris Industries Inc. | Protective helmet with selectively covered aperture |
US6904616B1 (en) * | 2002-12-26 | 2005-06-14 | Polaris Industries Inc. | Positive pressure protective helmet |
US6857135B2 (en) * | 2003-06-04 | 2005-02-22 | Yoshiyuki Sumitomo | Helmet |
US20050086727A1 (en) * | 2003-09-26 | 2005-04-28 | Charles Shen | Ball cap shield |
US7975317B2 (en) * | 2005-02-28 | 2011-07-12 | Palmer Rampell | Protective helmet cap with improved ventilation |
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 |
KR100953920B1 (ko) * | 2007-12-28 | 2010-04-22 | 허봉락 | 헬멧 |
KR200455916Y1 (ko) | 2010-01-30 | 2011-09-30 | 서춘미 | 이중 챙 모자 |
CN101822440A (zh) * | 2010-05-10 | 2010-09-08 | 李治中 | 新型高强度可减震通风的安全帽 |
US8966671B2 (en) * | 2010-12-17 | 2015-03-03 | Garry Rumbaugh | Sporting helmet with outer pads |
US8869954B2 (en) | 2011-04-15 | 2014-10-28 | Standard Car Truck Company | Lubricating insert for railroad brake head assembly |
US8869709B2 (en) | 2011-08-10 | 2014-10-28 | Standard Car Truck Company | High friction railroad car components with friction modifying inserts |
WO2013162770A1 (en) * | 2012-04-24 | 2013-10-31 | Bell Sports, Inc. | Protective snow and ski helmet |
US9700095B2 (en) | 2012-04-25 | 2017-07-11 | PSE Technology LLC | Molded gel headgear having impact dispersing properties |
US11464271B2 (en) * | 2012-05-14 | 2022-10-11 | William A. Jacob | Energy dissipating helmet |
US9603408B2 (en) * | 2012-10-05 | 2017-03-28 | Elwood J. B. Simpson | Football helmet having improved impact absorption |
US9572390B1 (en) * | 2012-10-05 | 2017-02-21 | Elwood J. B. Simpson | Football helmet having improved impact absorption |
ITMI20122224A1 (it) * | 2012-12-21 | 2014-06-22 | Mako Shark Srl | Protezione cranica universale |
ITCO20130049A1 (it) * | 2013-10-15 | 2015-04-16 | Ld Project S R L | "casco di protezione modulare" |
CN105559225B (zh) * | 2015-08-28 | 2018-05-04 | 周丐社 | 施工安全帽 |
KR101676389B1 (ko) * | 2015-12-18 | 2016-11-18 | 김강민 | 환기장치 내장형 모자 |
CN107132654B (zh) * | 2016-02-26 | 2020-01-07 | 宏达国际电子股份有限公司 | 头戴式电子装置及头戴式电子装置软垫 |
US10736371B2 (en) * | 2016-10-01 | 2020-08-11 | Choon Kee Lee | Mechanical-waves attenuating protective headgear |
US20180228240A1 (en) * | 2017-02-13 | 2018-08-16 | Sabina Sood | Headwear system |
US10542788B2 (en) | 2017-05-11 | 2020-01-28 | Safer Sports, LLC | Football helmet having three energy absorbing layers |
US10010126B1 (en) * | 2017-06-29 | 2018-07-03 | Bell Sports, Inc. | Protective helmet with integrated rotational limiter |
US10813403B2 (en) | 2018-11-01 | 2020-10-27 | Kranos Ip Corporation | Football helmet having exceptional impact performance |
USD927073S1 (en) | 2019-04-16 | 2021-08-03 | Safer Sports, LLC | Football helmet |
USD935106S1 (en) | 2019-11-22 | 2021-11-02 | Safer Sports, LLC | Helmet |
CN112754091B (zh) * | 2020-12-30 | 2023-02-07 | 河南省斯科赛斯科技发展有限公司 | 一种多功能医用防护隔离服 |
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JPS56143223U (ja) * | 1980-03-26 | 1981-10-29 | ||
JPS60143736U (ja) * | 1984-03-05 | 1985-09-24 | 岡島 秀泰 | 全面通風保安ヘルメツト |
JPS6339125U (ja) * | 1986-08-27 | 1988-03-14 |
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DE4316C (de) * | G. NIEMANN in Berlin, Admiralstrafse 15 | Ventilationseinrichtung an Kopfbedeckungen | ||
US1977215A (en) * | 1933-08-02 | 1934-10-16 | Albert A Strauss | Safety hat or cap |
US2112383A (en) * | 1936-01-31 | 1938-03-29 | Jesse B Hawley | Hat |
US2144870A (en) * | 1936-02-12 | 1939-01-24 | Bullard Co | Safety hat |
US3496854A (en) * | 1968-03-05 | 1970-02-24 | Ilc Ind Inc | Ventilated helmet |
US3780382A (en) * | 1971-08-02 | 1973-12-25 | O Boden | Hat or cap constructed for air circulation therethrough |
FI53780C (fi) * | 1976-08-18 | 1978-08-10 | Kemira Oy | Stoetskyddsfodring avsedd att anordnas i en hjaelm |
DE8426051U1 (de) * | 1984-09-04 | 1985-01-31 | Hauptverband der gewerblichen Berufsgenossenschaften e.V., 5300 Bonn | Natürlich belüfteter Arbeitsschutzhelm |
US4700411A (en) * | 1984-11-16 | 1987-10-20 | Honda Giken Kogyo Kabushiki Kaisha | Helmet |
DE8517547U1 (de) * | 1985-06-15 | 1985-08-01 | Römer GmbH & Co, 7910 Neu-Ulm | Schutzhelm |
US4622700A (en) * | 1985-12-09 | 1986-11-18 | Bell Helmets Inc. | Suction ventilated helmet |
GB2219728B (en) * | 1988-06-20 | 1992-07-29 | Britax Child Care Prod | Safety helmet |
CA2089102C (en) * | 1992-05-20 | 1996-12-17 | Haruo Tanaka | Ventilated vehicle helmet with modular duct forming lining |
WO1995028101A1 (fr) * | 1994-04-14 | 1995-10-26 | Sea Raise Corporation Co., Ltd. | Casque de securite |
-
1996
- 1996-08-07 US US08/981,712 patent/US5940889A/en not_active Expired - Fee Related
- 1996-08-07 AU AU66687/96A patent/AU6668796A/en not_active Abandoned
- 1996-08-07 DE DE69617470T patent/DE69617470T2/de not_active Expired - Lifetime
- 1996-08-07 JP JP50913497A patent/JP3503947B2/ja not_active Expired - Lifetime
- 1996-08-07 EP EP96926577A patent/EP0890320B1/en not_active Expired - Lifetime
- 1996-08-07 CN CN96196098A patent/CN1130997C/zh not_active Expired - Fee Related
- 1996-08-07 CA CA002228271A patent/CA2228271C/en not_active Expired - Fee Related
- 1996-08-07 KR KR10-1998-0700845A patent/KR100363613B1/ko not_active IP Right Cessation
- 1996-08-07 WO PCT/JP1996/002221 patent/WO1997006706A1/ja active IP Right Grant
Patent Citations (3)
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JPS56143223U (ja) * | 1980-03-26 | 1981-10-29 | ||
JPS60143736U (ja) * | 1984-03-05 | 1985-09-24 | 岡島 秀泰 | 全面通風保安ヘルメツト |
JPS6339125U (ja) * | 1986-08-27 | 1988-03-14 |
Non-Patent Citations (1)
Title |
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See also references of EP0890320A4 * |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0943249A1 (en) * | 1996-11-30 | 1999-09-22 | Sea Raise Corporation Co., Ltd. | Safety cap |
EP0943249A4 (en) * | 1996-11-30 | 2001-08-29 | Sea Raise Corp Co Ltd | SECURITY HELMET |
JP2001089924A (ja) * | 1999-09-22 | 2001-04-03 | Tanizawa Seisakusho Ltd | ヘルメット |
JP4540152B2 (ja) * | 1999-09-22 | 2010-09-08 | 株式会社谷沢製作所 | ヘルメット |
JP2009275299A (ja) * | 2008-05-12 | 2009-11-26 | Kaishin:Kk | ヘルメット |
KR20210100333A (ko) * | 2020-02-06 | 2021-08-17 | 동의대학교 산학협력단 | 휴대용 헬멧 |
KR102341924B1 (ko) * | 2020-02-06 | 2021-12-21 | 동의대학교 산학협력단 | 휴대용 헬멧 |
Also Published As
Publication number | Publication date |
---|---|
AU6668796A (en) | 1997-03-12 |
EP0890320A4 (en) | 1999-07-28 |
CN1130997C (zh) | 2003-12-17 |
KR19990036177A (ko) | 1999-05-25 |
US5940889A (en) | 1999-08-24 |
JP3503947B2 (ja) | 2004-03-08 |
CA2228271C (en) | 2005-09-06 |
CN1192659A (zh) | 1998-09-09 |
EP0890320B1 (en) | 2001-11-28 |
DE69617470T2 (de) | 2002-08-14 |
EP0890320A1 (en) | 1999-01-13 |
DE69617470D1 (de) | 2002-01-10 |
CA2228271A1 (en) | 1997-02-27 |
KR100363613B1 (ko) | 2003-02-07 |
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