JPS5429933Y2 - - Google Patents
Info
- Publication number
- JPS5429933Y2 JPS5429933Y2 JP1978079311U JP7931178U JPS5429933Y2 JP S5429933 Y2 JPS5429933 Y2 JP S5429933Y2 JP 1978079311 U JP1978079311 U JP 1978079311U JP 7931178 U JP7931178 U JP 7931178U JP S5429933 Y2 JPS5429933 Y2 JP S5429933Y2
- Authority
- JP
- Japan
- 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.)
- Expired
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
- A42B3/10—Linings
- A42B3/12—Cushioning devices
- A42B3/124—Cushioning devices with at least one corrugated or ribbed layer
-
- 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
- A42B3/065—Corrugated or ribbed shells
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24744—Longitudinal or transverse tubular cavity or cell
Landscapes
- Helmets And Other Head Coverings (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00392957A US3829900A (en) | 1973-08-30 | 1973-08-30 | Safety hat energy absorbing liner |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS541520U JPS541520U (en) | 1979-01-08 |
JPS5429933Y2 true JPS5429933Y2 (en) | 1979-09-21 |
Family
ID=23552700
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP49097141A Pending JPS5050144A (en) | 1973-08-30 | 1974-08-26 | |
JP1978079311U Expired JPS5429933Y2 (en) | 1973-08-30 | 1978-06-12 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP49097141A Pending JPS5050144A (en) | 1973-08-30 | 1974-08-26 |
Country Status (11)
Country | Link |
---|---|
US (1) | US3829900A (en) |
JP (2) | JPS5050144A (en) |
BR (1) | BR7407157D0 (en) |
CA (1) | CA1002702A (en) |
DE (1) | DE2437057B2 (en) |
ES (1) | ES429342A1 (en) |
GB (1) | GB1421716A (en) |
IT (1) | IT1017805B (en) |
NL (1) | NL157494B (en) |
SE (1) | SE395826B (en) |
ZA (1) | ZA744696B (en) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3877076A (en) * | 1974-05-08 | 1975-04-15 | Mine Safety Appliances Co | Safety hat energy absorbing liner |
NZ179613A (en) * | 1975-12-19 | 1979-04-26 | Daly N | Protective helmet insert held in recess at apex ofinner shell |
JPS55177343U (en) * | 1979-06-07 | 1980-12-19 | ||
CA1171202A (en) * | 1980-09-08 | 1984-07-24 | Hal D. Mitchell | Shock attenuation system for headgear |
US4484364A (en) * | 1980-09-08 | 1984-11-27 | A-T-O Inc. | Shock attenuation system for headgear |
JPS62162223U (en) * | 1986-04-07 | 1987-10-15 | ||
US5269026A (en) * | 1992-06-19 | 1993-12-14 | Mcmanus Eugene E | Adjustable cap with safety liner |
DE4409839C2 (en) * | 1994-03-22 | 1996-05-02 | Oped Gmbh Orthopaedische Produ | Hard hat |
NO981233D0 (en) * | 1998-03-19 | 1998-03-19 | Niels Dahl | Protective helmet |
AU7279498A (en) * | 1998-05-04 | 1999-11-23 | Jeffrey P. Katz | Protective helmet |
US6370699B1 (en) * | 2001-02-08 | 2002-04-16 | Southern Impact Research Center, Llc | Jaw pad for helmet |
ATE398940T1 (en) * | 2003-12-20 | 2008-07-15 | Lloyd Scotland Ltd | BODY PROTECTIVE DEVICE |
GB2431859A (en) * | 2005-10-31 | 2007-05-09 | Lloyd | A body protecting device comprising an array of energy absorbing cells |
GT200800002U (en) * | 2008-01-16 | 2009-04-27 | HELMET PROTECTION | |
EP2100527B1 (en) * | 2008-03-10 | 2010-09-15 | Keng-Hsien Lin | Resilient shock-absorbing device |
US8235461B2 (en) * | 2010-01-21 | 2012-08-07 | Cohen Elie | Ventilated seat using shock absorbing material |
US9578917B2 (en) * | 2012-09-14 | 2017-02-28 | Pidyon Controls Inc. | Protective helmets |
GB2534887B (en) * | 2015-02-03 | 2017-03-29 | George Lloyd John | Protective eyewear |
US11089832B2 (en) | 2015-05-01 | 2021-08-17 | Gentex Corporation | Helmet impact attenuation article |
AU2020382601A1 (en) | 2019-11-14 | 2022-05-26 | Milwaukee Electric Tool Corporation | Hard hat attachment system and safety equipment |
USD974663S1 (en) | 2020-10-05 | 2023-01-03 | Milwaukee Electric Tool Corporation | Hard hat |
IT202100022061A1 (en) * | 2021-08-18 | 2023-02-18 | Alpinestars Res Spa | PROTECTIVE HELMET |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3123907A (en) * | 1964-03-10 | figures | ||
US728594A (en) * | 1902-07-19 | 1903-05-19 | Rufus Wakeman | Mattress. |
US2451685A (en) * | 1944-12-04 | 1948-10-19 | Edward S Moilanen | Boxing glove |
US2477852A (en) * | 1945-07-04 | 1949-08-02 | Owens Corning Fiberglass Corp | Structural panel construction |
US3039109A (en) * | 1958-10-16 | 1962-06-19 | Electric Storage Battery Co | Lining for safety helmets |
GB945412A (en) * | 1961-07-15 | 1963-12-23 | Christy And Company Ltd | Improvements in or relating to protective headgear |
US3248738A (en) * | 1963-05-28 | 1966-05-03 | John T Riddell Inc | Protective padding structures |
US3208080A (en) * | 1964-03-30 | 1965-09-28 | Hirsch Arthur Ernest | Protective helmet |
US3447163A (en) * | 1966-02-16 | 1969-06-03 | Peter W Bothwell | Safety helmets |
-
1973
- 1973-08-30 US US00392957A patent/US3829900A/en not_active Expired - Lifetime
-
1974
- 1974-07-23 ZA ZA00744696A patent/ZA744696B/en unknown
- 1974-07-24 GB GB3275774A patent/GB1421716A/en not_active Expired
- 1974-07-31 CA CA206,064A patent/CA1002702A/en not_active Expired
- 1974-08-01 DE DE19742437057 patent/DE2437057B2/en active Granted
- 1974-08-01 IT IT25847/74A patent/IT1017805B/en active
- 1974-08-07 NL NL7410598.A patent/NL157494B/en unknown
- 1974-08-17 ES ES429342A patent/ES429342A1/en not_active Expired
- 1974-08-26 JP JP49097141A patent/JPS5050144A/ja active Pending
- 1974-08-28 BR BR7157/74A patent/BR7407157D0/en unknown
- 1974-08-30 SE SE7411061A patent/SE395826B/en unknown
-
1978
- 1978-06-12 JP JP1978079311U patent/JPS5429933Y2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL7410598A (en) | 1975-03-04 |
ES429342A1 (en) | 1976-08-16 |
SE7411061L (en) | 1975-03-03 |
JPS5050144A (en) | 1975-05-06 |
DE2437057A1 (en) | 1975-03-13 |
GB1421716A (en) | 1976-01-21 |
US3829900A (en) | 1974-08-20 |
ZA744696B (en) | 1975-08-27 |
IT1017805B (en) | 1977-08-10 |
BR7407157D0 (en) | 1975-09-09 |
NL157494B (en) | 1978-08-15 |
DE2437057B2 (en) | 1976-09-02 |
CA1002702A (en) | 1977-01-04 |
AU7218274A (en) | 1976-02-12 |
JPS541520U (en) | 1979-01-08 |
SE395826B (en) | 1977-08-29 |