EP0625319A1 - An article of headgear - Google Patents
An article of headgear Download PDFInfo
- Publication number
- EP0625319A1 EP0625319A1 EP94303469A EP94303469A EP0625319A1 EP 0625319 A1 EP0625319 A1 EP 0625319A1 EP 94303469 A EP94303469 A EP 94303469A EP 94303469 A EP94303469 A EP 94303469A EP 0625319 A1 EP0625319 A1 EP 0625319A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- layer
- resin
- article
- reflective
- light dispersing
- 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.)
- Granted
Links
Images
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
- A42B3/06—Impact-absorbing shells, e.g. of crash helmets
- A42B3/061—External coatings, e.g. with light reflective material
Definitions
- THIS INVENTION relates to an article of headgear. More particularly, the invention relates to an article of protective headgear and to a method of manufacturing an article of protective headgear.
- a method of manufacturing an article of protective headgear including the steps of: providing an impact resistant shell of a substantially transparent material; applying a layer of a light dispersing material to an inner surface of the shell; and applying a layer of reflective material to the layer of light dispersing material.
- the method may include the further step of applying a layer of sealing material to the layer of reflective material to inhibit damage to the reflective material.
- the method may further include forming the light dispersing material by dispersing glass beads in a resin.
- the resin may be a waterless resin.
- a solvent, a flow agent and acrylic beads may be mixed together to form the resin, so that the resin is in a sprayable form.
- a suspension agent may be added to the resin to suspend the glass beads within the resin so that, on application, the glass beads are substantially evenly dispersed in the layer of light dispersing material.
- the reflective material may be dissolved in a suitable solvent to form a liquid solution of the reflective material.
- the method may include the step of dissolving a reflective metal in said suitable solvent.
- the light dispersing material may be sprayed onto said shell.
- the solution of reflective material may be sprayed onto the layer of light dispersing material.
- the resin may be sprayed onto the layer of reflective material to form the layer of sealing material.
- the method may include the step of adding a colourant to the layer of light dispersing material.
- the layers of light dispersing material, reflective material and sealing material may be applied to substantially the entire inner surface of the shell.
- an article of protective headgear which has a coating of a reflective material.
- the article of protective headgear will usually be in the form of a helmet, more particularly, a safety helmet.
- a safety helmet comprises a protective shell and a support structure or harness to support the shell on a user's head.
- the article may include an impact resistant shell of a substantially transparent material; a layer of a light dispersing material applied to an inner surface of the shell; and a layer of reflective material applied to the layer of light dispersing material.
- the article may further include a layer of a sealing material applied to the layer of reflective material to inhibit damage to the layer of reflective material.
- the layer of light dispersing material may comprise glass beads dispersed in the resin.
- the sealing material may also be in the form of a resin. In both cases, the resin may be a waterless resin.
- the reflective material may include a reflective metal carried in a solvent.
- the reflective metal may be aluminium.
- Substantially the entire inner surface of the shell may have the coating of reflective material.
- a disadvantage of reflective elements which are affixed to apparel, and which are presently utilised, is that, when they are affixed to clothing, such reflective elements are easily obscured by other articles of clothing which a user may wear over the affixed reflective elements.
- a further disadvantage is that these reflective elements are easily damaged, dirtied or ripped off in strenuous or adverse working conditions such as those which might occur in an underground mine. The Applicant believes that these disadvantages will be overcome by utilising the article of protective headgear in accordance with the invention.
- reference numeral 10 generally indicates an article of protective headgear in accordance with the invention.
- the article of protective headgear 10 is in the form of a safety helmet 12.
- the safety helmet 12 comprises a protective shell 14 and a harness (not shown) to support the shell 14 on a user's head.
- the entire shell 14 of the safety helmet 12 is impregnated with a reflective material.
- the shell 14 of the safety helmet 12 is moulded from a plastics material 16.
- the reflective material is in the form of a reflective pigment.
- the reflective pigment is incorporated into the plastics material 16 of the shell 14 prior to moulding the plastics material 16.
- the shell 14 of the safety helmet 12 is coated with a reflective material 18 on substantially an entire inner surface 19 of the shell 14.
- the plastics material 16 is in the form of a polycarbonate, and is substantially transparent.
- the helmet 12 includes a layer 20 of light dispersing material 22 applied to said inner surface 19 of the shell 14.
- a layer 24 of the reflective material 18 is applied to the layer 20.
- the reflective material 18 is in the form of aluminium 26.
- a layer 28 of a sealing material in the form of a waterless resin 30 is applied to the layer 24 of aluminium 26 to inhibit damage to the layer 24.
- the light dispersing material 22 comprises glass beads 32 dispersed in a resin 30, which is also a waterless resin.
- a resin which is also a waterless resin.
- a solvent a flow agent, acrylic beads and a suspension agent are mixed together. Since the resin 30 is waterless, separation of the beads 32 from the hardened resin 30, which would result in cracking of the layer 20, is inhibited. Similarly, separation of the layer 28 from the layer 24 is inhibited. Since the resin 30 includes a suspension agent, the beads are suspended in the resin 30 so that, on application, the beads 32 are substantially evenly dispersed in the layer 20.
- the layers 20, 24, 28 are sprayed onto the inner surface of the shell 14.
- the resin 30 is such that, prior to hardening, it has a sufficiently low viscosity to permit spraying of the resin 30.
- the aluminium 26 is carried in a solvent, the combination of aluminium 26 and the solvent being of a suitably low viscosity, so that they are capable of being sprayed onto the layer 20 to form the layer 24.
- a colourant is introduced into the light dispersing material 22 prior to the material 22 being sprayed to form the layer 20, so that the helmet 12 appears to be of a desired colour.
- the colourant can be added to the plastic material of the shell 14, prior to injection moulding of the shell 14.
- the Applicant believes that the article of protective headgear 10 will be particularly useful in conditions of low visibility, for example, in underground mines.
- a disadvantage of reflective elements which are affixed to apparel, and which are presently utilised, is that, when they are affixed to clothing, they are easily obscured by other articles of clothing which a user may wear over the affixed reflective elements.
- a further disadvantage is that these reflective elements are easily damaged or ripped off in strenuous or adverse working conditions such as those which might occur in an underground mine.
- the Applicant believes that the reflectivity of the safety helmet 12 will be substantially maintained in the working conditions described above and hence the disadvantages set out above will, to a large extent, be overcome.
Landscapes
- Helmets And Other Head Coverings (AREA)
- Meat, Egg Or Seafood Products (AREA)
- Finger-Pressure Massage (AREA)
Abstract
Description
- THIS INVENTION relates to an article of headgear. More particularly, the invention relates to an article of protective headgear and to a method of manufacturing an article of protective headgear.
- According to a first aspect of the invention, there is provided a method of manufacturing an article of protective headgear, the method including the steps of:
providing an impact resistant shell of a substantially transparent material;
applying a layer of a light dispersing material to an inner surface of the shell; and
applying a layer of reflective material to the layer of light dispersing material. - The method may include the further step of applying a layer of sealing material to the layer of reflective material to inhibit damage to the reflective material.
- The method may further include forming the light dispersing material by dispersing glass beads in a resin. The resin may be a waterless resin.
- A solvent, a flow agent and acrylic beads may be mixed together to form the resin, so that the resin is in a sprayable form. A suspension agent may be added to the resin to suspend the glass beads within the resin so that, on application, the glass beads are substantially evenly dispersed in the layer of light dispersing material.
- The reflective material may be dissolved in a suitable solvent to form a liquid solution of the reflective material. The method may include the step of dissolving a reflective metal in said suitable solvent.
- The light dispersing material may be sprayed onto said shell. The solution of reflective material may be sprayed onto the layer of light dispersing material.
- The resin may be sprayed onto the layer of reflective material to form the layer of sealing material.
- The method may include the step of adding a colourant to the layer of light dispersing material.
- The layers of light dispersing material, reflective material and sealing material may be applied to substantially the entire inner surface of the shell.
- According to a second aspect of the invention, there is provided an article of protective headgear which has a coating of a reflective material.
- It is further to be appreciated that the article of protective headgear will usually be in the form of a helmet, more particularly, a safety helmet. It is to be understood that a safety helmet comprises a protective shell and a support structure or harness to support the shell on a user's head.
- The article may include
an impact resistant shell of a substantially transparent material;
a layer of a light dispersing material applied to an inner surface of the shell; and
a layer of reflective material applied to the layer of light dispersing material. - The article may further include a layer of a sealing material applied to the layer of reflective material to inhibit damage to the layer of reflective material.
- The layer of light dispersing material may comprise glass beads dispersed in the resin. The sealing material may also be in the form of a resin. In both cases, the resin may be a waterless resin.
- The reflective material may include a reflective metal carried in a solvent. The reflective metal may be aluminium.
- Substantially the entire inner surface of the shell may have the coating of reflective material.
- It is to be appreciated that a large number of users of protective headgear utilize the headgear at night or under other conditions of low visibility, for example in underground mines. A disadvantage of reflective elements which are affixed to apparel, and which are presently utilised, is that, when they are affixed to clothing, such reflective elements are easily obscured by other articles of clothing which a user may wear over the affixed reflective elements. A further disadvantage is that these reflective elements are easily damaged, dirtied or ripped off in strenuous or adverse working conditions such as those which might occur in an underground mine. The Applicant believes that these disadvantages will be overcome by utilising the article of protective headgear in accordance with the invention.
- The invention is now described, by way of example, with reference to the accompanying drawings in which
- Figure 1 shows a side view of an article of headgear in accordance with the invention; and
- Figure 2 shows a sectioned view of part of the article of headgear.
- In Figure 1, reference numeral 10 generally indicates an article of protective headgear in accordance with the invention.
- The article of protective headgear 10 is in the form of a
safety helmet 12. Thesafety helmet 12 comprises aprotective shell 14 and a harness (not shown) to support theshell 14 on a user's head. - The
entire shell 14 of thesafety helmet 12 is impregnated with a reflective material. - It is to be appreciated that the
shell 14 of thesafety helmet 12 is moulded from aplastics material 16. The reflective material is in the form of a reflective pigment. The reflective pigment is incorporated into theplastics material 16 of theshell 14 prior to moulding theplastics material 16. - In a development of the invention, the
shell 14 of thesafety helmet 12 is coated with areflective material 18 on substantially an entireinner surface 19 of theshell 14. Theplastics material 16 is in the form of a polycarbonate, and is substantially transparent. - The
helmet 12 includes alayer 20 oflight dispersing material 22 applied to saidinner surface 19 of theshell 14. Alayer 24 of thereflective material 18 is applied to thelayer 20. Thereflective material 18 is in the form ofaluminium 26. - A
layer 28 of a sealing material in the form of awaterless resin 30 is applied to thelayer 24 ofaluminium 26 to inhibit damage to thelayer 24. - The
light dispersing material 22 comprises glass beads 32 dispersed in aresin 30, which is also a waterless resin. In use, to manufacture theresin 30, a solvent, a flow agent, acrylic beads and a suspension agent are mixed together. Since theresin 30 is waterless, separation of the beads 32 from the hardenedresin 30, which would result in cracking of thelayer 20, is inhibited. Similarly, separation of thelayer 28 from thelayer 24 is inhibited. Since theresin 30 includes a suspension agent, the beads are suspended in theresin 30 so that, on application, the beads 32 are substantially evenly dispersed in thelayer 20. - Further, in use, the
layers shell 14. Hence, theresin 30 is such that, prior to hardening, it has a sufficiently low viscosity to permit spraying of theresin 30. Still further, thealuminium 26 is carried in a solvent, the combination ofaluminium 26 and the solvent being of a suitably low viscosity, so that they are capable of being sprayed onto thelayer 20 to form thelayer 24. - If desired, a colourant is introduced into the
light dispersing material 22 prior to thematerial 22 being sprayed to form thelayer 20, so that thehelmet 12 appears to be of a desired colour. Instead, the colourant can be added to the plastic material of theshell 14, prior to injection moulding of theshell 14. - The Applicant believes that the article of protective headgear 10 will be particularly useful in conditions of low visibility, for example, in underground mines. A disadvantage of reflective elements which are affixed to apparel, and which are presently utilised, is that, when they are affixed to clothing, they are easily obscured by other articles of clothing which a user may wear over the affixed reflective elements. A further disadvantage is that these reflective elements are easily damaged or ripped off in strenuous or adverse working conditions such as those which might occur in an underground mine.
- Since the
shell 14 is coated, as described, with thereflective material 18, the Applicant believes that the reflectivity of thesafety helmet 12 will be substantially maintained in the working conditions described above and hence the disadvantages set out above will, to a large extent, be overcome.
Claims (19)
- A method of manufacturing an article of protective headgear, the method including the steps of:
providing an impact resistant shell of a substantially transparent material;
applying a layer of a light dispersing material to an inner surface of the shell; and
applying a layer of reflective material to the layer of light dispersing material. - The method as claimed in claim 1 which includes the step of applying a layer of sealing material to the layer of reflective material to inhibit damage to the reflective material.
- The method as claimed in claim 1 or claim 2 which includes forming the light dispersing material by dispersing glass beads in a resin, preferably a waterless resin.
- The method as claimed in claim 3, which includes mixing a solvent, a flow agent and acrylic beads together to form the resin, so that the resin is in a sprayable form.
- The method as claimed in claim 4, which includes adding a suspension agent to the resin to suspend the glass beads within the resin so that, on application, the glass beads are substantially evenly dispersed in the layer of light dispersing material.
- The method as claimed in any one of claims 2 to 5, which includes dissolving the reflective material in a suitable solvent to form a liquid solution of the reflective material.
- The method as claimed in claim 6, which includes the step of dissolving a reflective metal in said solvent.
- The method as claimed in claim 6 or claim 7, which includes the step of spraying the light dispersing material onto said shell, and optionally spraying the solution of reflective material onto the layer of light dispersing material.
- The method as claimed in claim 8 which includes the step of spraying the resin onto the layer of reflective material to form the layer of sealing material.
- The method as claimed in any one of claims 2 to 9, inclusive, which includes applying the layers of light dispersing material, reflective material and sealing material to substantially the entire inner surface of the shell.
- The method as claimed in any one of the preceding claims which includes adding a colourant to the layer of light dispersing material.
- An article of protective headgear which has a coating of a reflective material.
- The article as claimed in claim 12 which includes an impact resistant shell of a substantially transparent material;
a layer of a light dispersing material applied to an inner surface of the shell; and
a layer of reflective material applied to the layer of light dispersing material. - The article as claimed in claim 13 which includes a layer of a sealing material applied to the layer of reflective material to inhibit damage to the layer of reflective material.
- The article as claimed in claim 14 in which the layer of light dispersing material comprises glass beads dispersed in a resin.
- The article as claimed in claim 15 in which the sealing material is also a resin.
- The article as claimed in claim 15 or 16, wherein the resin is a waterless resin.
- The article as claimed in any one of claims 13 to 17, in which the reflective material includes a reflective metal, preferably aluminium, carried in a solvent.
- The article as claimed in any one of claims 12 to 18, inclusive, in which substantially the entire inner surface of the shell has the coating of reflective material.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ZA933420 | 1993-05-17 | ||
ZA933420 | 1993-05-17 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0625319A1 true EP0625319A1 (en) | 1994-11-23 |
EP0625319B1 EP0625319B1 (en) | 1997-10-15 |
Family
ID=25582855
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94303469A Expired - Lifetime EP0625319B1 (en) | 1993-05-17 | 1994-05-16 | An article of headgear |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0625319B1 (en) |
AT (1) | ATE159148T1 (en) |
AU (1) | AU6310994A (en) |
DE (1) | DE69406186D1 (en) |
ZA (1) | ZA943265B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2388298A (en) * | 2002-05-11 | 2003-11-12 | John Matthew Mchale | Headgear with reflective material |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8388164B2 (en) | 2005-05-17 | 2013-03-05 | Michael Waters | Hands-Free lighting devices |
US9526292B2 (en) | 2005-05-17 | 2016-12-27 | Michael Waters | Power modules and headgear |
US8757831B2 (en) | 2007-12-18 | 2014-06-24 | Michael Waters | Headgear having an electrical device and power source mounted thereto |
US8491145B2 (en) | 2007-12-18 | 2013-07-23 | Waters Industries, Inc. | Illuminated headgear having switch devices and packaging therefor |
CA2709991A1 (en) | 2007-12-18 | 2009-06-25 | Michael Waters | Hands free lighting devices |
DE212010000023U1 (en) | 2009-02-27 | 2012-01-24 | Michael Waters | Lighting headgear |
US20130192961A1 (en) | 2010-04-30 | 2013-08-01 | Michael Waters | Lighted headgear and accessories therefor |
CA2794370A1 (en) | 2011-11-04 | 2013-05-04 | Michael Waters | Hat with automated shut-off feature for electrical devices |
US9609902B2 (en) | 2011-12-23 | 2017-04-04 | Michael Waters | Headgear having a camera device |
US9568173B2 (en) | 2011-12-23 | 2017-02-14 | Michael Waters | Lighted hat |
US9526287B2 (en) | 2011-12-23 | 2016-12-27 | Michael Waters | Lighted hat |
US10159294B2 (en) | 2012-12-19 | 2018-12-25 | Michael Waters | Lighted solar hat |
WO2014144507A1 (en) | 2013-03-15 | 2014-09-18 | Michael Waters | Lighted headgear |
USD770143S1 (en) | 2014-05-23 | 2016-11-01 | Michael Waters | Beanie with means for illumination |
US10791783B1 (en) | 2019-05-16 | 2020-10-06 | Waters Industries, Inc. | Lighted headgear and accessories therefor |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1695633U (en) * | 1954-07-31 | 1955-03-31 | Hans Reiner | HEAD PROTECTIVE COVER FOR MOTORCYCLISTS, DRIVERS OD. DGL. |
US3770483A (en) * | 1968-02-28 | 1973-11-06 | Komine Auto Center K K | Noctilucent reflective helmet |
US3885246A (en) * | 1973-11-05 | 1975-05-27 | Minnesota Mining & Mfg | Retroreflective protective helmet |
US4008949A (en) * | 1975-11-06 | 1977-02-22 | Jerry Martin Luna | Protective reflective helmet |
US4993082A (en) * | 1990-01-05 | 1991-02-19 | Giro Sport Design, Inc. | Method for making helmet with indelibly ornamented cover |
US5014366A (en) * | 1990-02-26 | 1991-05-14 | Discipio Sr William R | Enhanced visibility helmet |
-
1994
- 1994-05-11 ZA ZA943265A patent/ZA943265B/en unknown
- 1994-05-16 AT AT94303469T patent/ATE159148T1/en not_active IP Right Cessation
- 1994-05-16 EP EP94303469A patent/EP0625319B1/en not_active Expired - Lifetime
- 1994-05-16 DE DE69406186T patent/DE69406186D1/en not_active Expired - Lifetime
- 1994-05-16 AU AU63109/94A patent/AU6310994A/en not_active Abandoned
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1695633U (en) * | 1954-07-31 | 1955-03-31 | Hans Reiner | HEAD PROTECTIVE COVER FOR MOTORCYCLISTS, DRIVERS OD. DGL. |
US3770483A (en) * | 1968-02-28 | 1973-11-06 | Komine Auto Center K K | Noctilucent reflective helmet |
US3885246A (en) * | 1973-11-05 | 1975-05-27 | Minnesota Mining & Mfg | Retroreflective protective helmet |
US4008949A (en) * | 1975-11-06 | 1977-02-22 | Jerry Martin Luna | Protective reflective helmet |
US4993082A (en) * | 1990-01-05 | 1991-02-19 | Giro Sport Design, Inc. | Method for making helmet with indelibly ornamented cover |
US5014366A (en) * | 1990-02-26 | 1991-05-14 | Discipio Sr William R | Enhanced visibility helmet |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2388298A (en) * | 2002-05-11 | 2003-11-12 | John Matthew Mchale | Headgear with reflective material |
Also Published As
Publication number | Publication date |
---|---|
AU6310994A (en) | 1994-11-24 |
DE69406186D1 (en) | 1997-11-20 |
ATE159148T1 (en) | 1997-11-15 |
EP0625319B1 (en) | 1997-10-15 |
ZA943265B (en) | 1995-01-12 |
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