Patent US3385372A successfully refreshed from Google Patents.
US6604246B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protective helmet
Assignee: Individual
•
Filing: 1999-12-07
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Granted: 2003-08-12
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Expires: 2019-12-07
Abstract
Abstract The invention concerns a cranio-cerebral protective helmet adapted to the anatomy of the head and to the neurosurgical knowledge. The helmet is adapted to the resistance of different regions of the skull vault thereby reducing cranio-cerebral lesions and post traumatic neurological disorders.
Inventors
- 👤 Catalin Obreja
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:57
CPC Classifications
A; A42; A42B; A42B3/00; A42B3/04; A42B3/10; A42B3/12; A42B3/125; A42B3/128; A42B3/06
Claims Analysis
Total Claims: 21
Claim 1
Independent Claim
311 words
A cranio-cerebral protective helmet, comprising: (a) a cap comprising: first zones of low compressive crushing resistance adapted to be located in front of the fragile zones of the cranium of the wearer, the first zones being formed by at least one of: furrows on at least one surface of the cap, cavities in a thickness of the cap, and soft zones; and second zones of high compressive crushing resistance adapted to be located in front of the zones of maximum resistance of the cranium of the wearer, the second zones being formed by at least one of: smaller furrows, smaller cavities, and harder zones; and (b) a shell comprising at least one of: low resistance zones adapted to be located in front of at least two of the maximum resistant zones of the cranium of the wearer, the low resistance zones being situated in a thickness of the shell and being formed by at least one of: (i) a reduction of the shell thickness and construction of depressions and furrows; (ii) orifices; (iii) junctions between sectors of the shell; and (iv) a modification of at least one of: a fiber density and an orientation in a case of a shell constructed of composite materials; low resistance layers adapted to be located in front of at least two of the maximum resistant zones of the cranium of the wearer, the low resistance layers being situated on at least one of an internal shell surface and an external shell surface, and being formed by at least one of compact structures and alveolar structures; and reinforced zones adapted to be located in front of the fragile zones of the cranium of the wearer, the reinforced zones being formed by at least one of: rigid and resistant structures, and a reduction of a curvature radius of the shell towards the periphery of the reinforced zones.
Claim 2
Dependent Claim
311 words
A cranio-cerebral protective helmet, comprising: (a) a cap comprising: first zones of low compressive crushing resistance adapted to be located in front of the fragile zones of the cranium of the wearer, the first zones being formed by at least one of: furrows on at least one surface of the cap, cavities in a thickness of the cap, and soft zones; and second zones of high compressive crushing resistance adapted to be located in front of the zones of maximum resistance of the cranium of the wearer, the second zones being formed by at least one of: smaller furrows, smaller cavities, and harder zones; and (b) a shell comprising at least one of: low resistance zones adapted to be located in front of at least two of the maximum resistant zones of the cranium of the wearer, the low resistance zones being situated in a thickness of the shell and being formed by at least one of: (i) a reduction of the shell thickness and construction of depressions and furrows; (ii) orifices; (iii) junctions between sectors of the shell; and (iv) a modification of at least one of: a fiber density and an orientation in a case of a shell constructed of composite materials; low resistance layers adapted to be located in front of at least two of the maximum resistant zones of the cranium of the wearer, the low resistance layers being situated on at least one of an internal shell surface and an external shell surface, and being formed by at least one of compact structures and alveolar structures; and reinforced zones adapted to be located in front of the fragile zones of the cranium of the wearer, the reinforced zones being formed by at least one of: rigid and resistant structures, and a reduction of a curvature radius of the shell towards the periphery of the reinforced zones.
Claim 3
Dependent Claim
85 words
The helmet of claim 1 , wherein at least one of the furrows and the cavities of the cap have a volume comprising: more than 20% of a volume delimited between the wearer's head and an external helmet shell in zones adapted to be in front of the fragile zones of the cranium; and less than 20% of a volume delimited between the wearer's head and an external helmet shell in zones adapted to be in front of the maximum resistance zones of the cranium.
Claim 4
Dependent Claim
53 words
The helmet of claim 2 , wherein at least one of the furrows and the cavities of the cap have a volume comprising more than 50% of the volume delimited between the wearer's head and the external helmet shell in zones adapted to be in front of the fragile zones of the cranium.
Claim 5
Dependent Claim
32 words
The helmet of claim 1 , wherein a conformation of the furrows of the cap comprises a corrugated aspect on at least one section adapted to be perpendicular to the wearer's cranium.
Claim 6
Dependent Claim
61 words
The helmet of claim 1 , wherein the cap has, in portions adapted to be in front of the zones of maximum resistance of the wearer's cranium and on at least an exterior quarter of the thickness of the cap, at least one of a density and a hardness at least 40% higher than that of a remainder of the cap.
Claim 7
Dependent Claim
78 words
The helmet of claim 1 , wherein the cap has, in portions adapted to be in front of the zones of maximum resistance of the wearer's cranium and on at least an exterior quarter of the thickness of the cap, at least one of a density and a hardness at least 60% higher than that of an internal part of the cap adapted to be situated in front of the fragile zones of the cranium of the wearer.
Claim 8
Dependent Claim
78 words
The helmet of claim 6 , wherein the cap has, in portions adapted to be in front of the zones of maximum resistance of the wearer's cranium and on at least an exterior half of the thickness of the cap, at least one of a density and a hardness at least 100% higher than that of the internal part of the cap adapted to be situated in front of the fragile zones of the cranium of the wearer.
Claim 9
Dependent Claim
56 words
The helmet of claim 1 , wherein the second zones of the cap are obtained by an inclusion of structures which are deformable in a case of a violent impact, the structures comprising elements having different geometric shapes and further having a hardness at least 50% higher than a hardness of a remainder of the cap.
Claim 10
Dependent Claim
25 words
The helmet of claim 1 , wherein at least one of a depth of the shell depressions and a depth of the shell furrows vanes.
Claim 11
Dependent Claim
37 words
The helmet of claim 9 , wherein at least one of the depth of the depressions and the depth of the furrows comprises, in some regions, 100% of the shell thickness, thus creating discontinuities in the shell.
Claim 12
Dependent Claim
35 words
The helmet of claim 1 , wherein at least one of the shell furrows and the shell depressions is filled with structures comprising a different material from that used for a remainder of the shell.
Claim 13
Dependent Claim
44 words
The helmet of claim 1 , wherein the shell comprises composite materials and the low resistance zones of the shell are created by a fiber density reduction of at least 50% in contrast with areas situated near the low resistance zones of the shell.
Claim 14
Dependent Claim
50 words
The helmet of claim 1 , wherein the shell comprises composite materials and the low resistance zones of the shell are obtained by a reduction of at least 30% of a density of non-radial and long fibers in comparison with areas situated near the low resistance zones of the shell.
Claim 15
Dependent Claim
22 words
The helmet of claim 1 , wherein the low resistance layers of the shell are included in the thickness of the cap.
Claim 16
Dependent Claim
35 words
The helmet of claim 1 , wherein at least one of the low resistance shell layers and the low resistance shell zones are situated at less than 5 mm from an edge of the shell.
Claim 17
Dependent Claim
134 words
A cranio-cerebral protective helmet, comprising: (a) a cap comprising: first zones of low compressive crushing resistance adapted to be located in front of the fragile zones of the cranium of the wearer; and second zones of high compressive crushing resistance adapted to be located in front of the zones of maximum resistance of the cranium of the wearer; and (b) a shell comprising at least one of: low resistance zones adapted to be located in front of at least two of the maximum resistant zones of the cranium of the wearer; low resistance layers adapted to be located in front of at least two of the maximum resistant zones of the cranium of the wearer; and reinforced zones adapted to be located in front of the fragile zones of the cranium of the wearer.
Claim 18
Dependent Claim
134 words
A cranio-cerebral protective helmet, comprising: (a) a cap comprising: first zones of low compressive crushing resistance adapted to be located in front of the fragile zones of the cranium of the wearer; and second zones of high compressive crushing resistance adapted to be located in front of the zones of maximum resistance of the cranium of the wearer; and (b) a shell comprising at least one of: low resistance zones adapted to be located in front of at least two of the maximum resistant zones of the cranium of the wearer; low resistance layers adapted to be located in front of at least two of the maximum resistant zones of the cranium of the wearer; and reinforced zones adapted to be located in front of the fragile zones of the cranium of the wearer.
Claim 19
Dependent Claim
59 words
A cranio-cerebral protective helmet, comprising a cap, the cap including: first zones of low compressive crushing resistance adapted to be located in front of the fragile zones of the cranium of the wearer; and second zones of high compressive crushing resistance adapted to be located in front of the zones of maximum resistance of the cranium of the wearer.
Claim 20
Dependent Claim
59 words
A cranio-cerebral protective helmet, comprising a cap, the cap including: first zones of low compressive crushing resistance adapted to be located in front of the fragile zones of the cranium of the wearer; and second zones of high compressive crushing resistance adapted to be located in front of the zones of maximum resistance of the cranium of the wearer.
Claim 21
Dependent Claim
84 words
The helmet of claim 17 , further comprising a shell, the shell including at least one of: low resistance zones adapted to be located in front of at least two of the maximum resistant zones of the cranium of the wearer; low resistance layers adapted to be located in front of at least two of the maximum resistant zones of the cranium of the wearer; and reinforced zones adapted to be located in front of the fragile zones of the cranium of the wearer.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2006-08-11 | 2007-02-10 | 2007-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2010-08-11 | 2011-02-10 | 2011-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2014-08-11 | 2015-02-10 | 2015-08-12 | $7700.00 | Window Closed / Lapsed |