US20150272259A1 - Protective screen and visor produced therewith for a safety helmet, particularly a forestry worker's helmet - Google Patents

Protective screen and visor produced therewith for a safety helmet, particularly a forestry worker's helmet Download PDF

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Publication number
US20150272259A1
US20150272259A1 US14/438,357 US201314438357A US2015272259A1 US 20150272259 A1 US20150272259 A1 US 20150272259A1 US 201314438357 A US201314438357 A US 201314438357A US 2015272259 A1 US2015272259 A1 US 2015272259A1
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US
United States
Prior art keywords
mesh
openings
protective screen
rim
zone
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.)
Abandoned
Application number
US14/438,357
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English (en)
Inventor
Anton Pfanner
Martin Greber
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pfanner Schutzbekleidung GmbH
Original Assignee
Pfanner Schutzbekleidung GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Pfanner Schutzbekleidung GmbH filed Critical Pfanner Schutzbekleidung GmbH
Assigned to PFANNER SCHUTZBEKLEIDUNG GMBH reassignment PFANNER SCHUTZBEKLEIDUNG GMBH ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: PFANNER, ANTON
Assigned to PFANNER SCHUTZBEKLEIDUNG GMBH reassignment PFANNER SCHUTZBEKLEIDUNG GMBH ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: GREBER, MARTIN
Publication of US20150272259A1 publication Critical patent/US20150272259A1/en
Assigned to PFANNER SCHUTZBEKLEIDUNG GMBH reassignment PFANNER SCHUTZBEKLEIDUNG GMBH ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: GREBER, MARTIN
Abandoned legal-status Critical Current

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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
    • A42B3/18—Face protection devices
    • A42B3/22—Visors
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
    • A41D13/05—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting only a particular body part
    • A41D13/11—Protective face masks, e.g. for surgical use, or for use in foul atmospheres
    • A41D13/1184—Protective face masks, e.g. for surgical use, or for use in foul atmospheres with protection for the eyes, e.g. using shield or visor
    • 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
    • A42B3/18—Face protection devices
    • 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
    • A42B3/18—Face protection devices
    • A42B3/22—Visors
    • A42B3/225—Visors with full face protection, e.g. for industrial safety applications

Definitions

  • the invention relates to a protective screen for the face and above all the eyes of a person, against flying particles and pointed objects, in particular during forestry work, having a mesh with a mesh structure which is formed by a multiplicity of mutually adjacent rows of noncircular openings which are delimited by mesh webs which are common to the openings.
  • a protective face screen of this type is known from document EP 1 182 943 B1.
  • the former is manufactured by etching metal, and comprises a mesh which forms a large number of light-permeable openings, the openings containing various surfaces.
  • the protective screen has at least two regions. The surface of each opening within each region is identical and the surfaces of the openings in different regions differ.
  • the mesh is enclosed by a continuous rim, the width of which corresponds to about the thickness of one of the mesh webs between adjacent openings of the mesh. Such a rim cannot be expected to substantially contribute toward the stability of the mesh.
  • the mesh of the known protective face screen in the various regions has in each case different stability and strength, because the latter are determined on the one hand by the size of the openings of the mesh, which differs in the various regions, and on the other hand by the thickness of the mesh webs, which likewise differs in the various regions.
  • the size of the surfaces which differs from region to region also brings about that the mesh also has a degree of light transmission which differs from region to region.
  • Document FR-A-826 990 discloses a screen for protecting the human eye from excessive sunlight, which replaces the usual colored lenses in sunglasses.
  • the screen is composed of a circular plate which is adapted so as to be insertable into the lens opening of a spectacle frame.
  • the screen comprises a multiplicity of mutually adjacent rows of round, that is to say circular, openings of the same diameter, or rows of circular openings having two different diameters.
  • this object is achieved according to the invention in that the openings, apart from part-openings which immediately adjoin a rim of the mesh which is without a mesh structure, in each case have a substantially identical surface area, wherein the rim encloses the mesh and along its circumference has a width which is at least equal to a height of a row of openings of the mesh structure.
  • the large width of the rim of the protective screen according to the invention substantially contributes toward increasing stability of the mesh.
  • the same surface areas of the openings of the mesh impart to the latter a degree of light transmission which is substantially homogenous in the region of the entire mesh.
  • the wide rim moreover enables the protective screen according to the invention to be provided with a support frame having a uniformly running inner boundary.
  • a visor for a protective helmet particularly a forestry worker's helmet, which is manufactured from a protective screen according to the invention, the rim of which is insertion-molded with a support frame of plastic, has the desired increased stability and the targeted improved appearance.
  • the width of the rim is at least equal to the height of two vertically adjacent rows of openings of the mesh structure. Based on the minimum width of the rim which is used in this design embodiment, this configuration imparts to the protective screen and to the visor according to the invention the targeted greater stability.
  • the rim is provided with clearance holes which are distributed across its length and which predominantly are each smaller than each of the mesh openings.
  • These clearance holes are a few clearance holes of a comparatively large diameter which as fitting holes facilitate insertion of the protective screen into a processing machine in which the protective screen in its entirety is coated with a protective layer, or in which the protective screen is insertion-molded with a support frame, and are substantially more clearance holes of comparatively small diameter through which the plastic can pass during the manufacture of the support frame in order to improve the connection between the mesh and the support frame.
  • the minimum number of openings in the mesh per square centimeter is at least 15.
  • the number of openings per square centimeter here is selected according to the protection requirements. For example, if it is known that shavings of softwood arise during forestry work, a coarser mesh may be selected. However, a finer mesh should be selected where shavings of hardwood arise. In the present context, coarse means, for example, 16 openings/cm 2 , in contrast thereto fine means, for example, 39 openings/cm 2 .
  • the thickness of the mesh webs is selected so as to be inversely proportional to the number of openings per square centimeter.
  • the thickness of the mesh webs may be approx. 0.3 mm, in contrast thereto in the case of the fine mesh having 39 openings/cm 2 approx. 0.2 mm.
  • the associated height of one row of openings of the mesh structure in the two aforementioned examples may be approx. 3 mm or approx. 2 mm, respectively, wherein this value would then also be the minimum width according to the invention of one row of openings of the mesh structure.
  • the mesh webs that in a zone the width of which is at least equal to the vertical height of one of the rows and that is adjacent to the rim on its circumference, the mesh webs are configured to be thicker than the mesh webs of the remaining openings.
  • a further increase in the already high and adequate stability per se of the protective screen according to the invention may be achieved.
  • the width of the zone is substantially equal to the height of two vertically adjacent rows of openings of the mesh structure.
  • the zone thus has a modest width which, however, on account of the mesh webs which are configured so as to be thicker within the zone, still substantially increases the strength and stability of the mesh.
  • the degree of transmission within the zone is substantially equal to the degree of transmission of the mesh outside the zone, since the surface areas of the openings which are surrounded by comparatively thick webs are substantially equal to those of the openings which are surrounded by comparatively thin mesh webs.
  • the openings in the zone have the same vertical center spacing as the openings in the remaining mesh.
  • the achieved additional rigidity of the mesh does not compromise the degree of light transmission, in particular not in the so-called viewing opening, since the zone lies at the rim of the mesh, and moreover since all openings of the mesh which are outside and within the zone are disposed in the same grid pattern.
  • the mesh is manufactured from spring steel sheet.
  • a thin metal sheet may be employed in order to achieve the desired stability at the lowest weight of the protective screen and, in particular, to ensure protection against high-velocity particles.
  • the mesh is manufactured by etching. Etching is the preferred manufacturing method when metal is employed for the mesh of the protective screen.
  • Protective face screens may indeed also be manufactured from a woven metal wire or plastic mesh, but such meshes have various disadvantages for the carrier which etched metal meshes do not have. Such disadvantages include, for example, that the wires occupy a large part of the entire surface of the mesh and result in lower stability and mechanical strength than an etched metal mesh.
  • such woven wire or plastic meshes may be pierced by pointed objects, such as pointed branches or twigs, because wires or plastic threads are displaceable in relation to one another.
  • an inner boundary of the support frame which faces the mesh has a spacing from an inner circumference of the rim which adjoins the mesh. On account thereof, a clean appearance of the inner boundary of the support frame is ensured in a simple manner.
  • FIG. 1 shows a plan view of a first exemplary embodiment of a protective screen according to the invention, having a mesh of spring steel sheet;
  • FIG. 1 a shows a detail of the protective screen according to FIG. 1 in a larger scale
  • FIG. 2 shows a second exemplary embodiment of the protective screen according to the invention, having a mesh of spring steel sheet which has a finer mesh structure than the mesh of the first exemplary embodiment
  • FIG. 2 a shows a detail of the protective screen according to FIG. 2 in a larger scale
  • FIG. 3 shows a third exemplary embodiment of the protective screen according to the invention, which corresponds to the first exemplary embodiment but has a different mesh structure in the peripheral region;
  • FIG. 3 a shows as a detail the peripheral region of the protective screen according to FIG. 3 in a larger scale
  • FIG. 4 shows a fourth exemplary embodiment of the protective screen according to the invention, which corresponds to the second exemplary embodiment but in a zone which is adjacent to the rim has a different mesh structure;
  • FIG. 4 a shows as a detail the zone and an adjacent region of the protective screen according to FIG. 4 in a larger scale.
  • FIG. 1 shows a plan view of a first exemplary embodiment of a protective screen according to the invention, which in its entirety is referred to as 10 , having a mesh 12 of a thin spring steel sheet.
  • FIG. 1 a shows a detail of the protective screen 10 according to FIG. 1 in a larger scale.
  • the mesh 12 has a mesh structure which is formed from a multiplicity of mutually adjacent rows of noncircular openings 14 .
  • the openings are in each case hexagonal and delimited by common mesh webs 16 which have a thickness D.
  • the openings 14 of the mesh 12 have in each case identical surface areas.
  • two adjacent rows of openings 14 of the mesh have one and the same vertical center spacing M.
  • the mesh 12 is enclosed by the rim 18 which has a width B which is at least equal to a height H of one row of openings 14 of the mesh structure.
  • the width of the rim 10 is at least equal to the height of two vertically adjacent rows of openings 14 of the mesh structure.
  • the rim 18 is provided with clearance holes 15 , 17 which are distributed across its length and which predominantly are each much smaller than each of the openings 14 of the mesh 12 .
  • these clearance holes are clearance holes 15 of a comparatively large diameter and predominantly clearance holes 17 of a comparatively small diameter.
  • Each clearance hole 15 substantially has a surface area which is identical to one of the openings 14 of the mesh structure.
  • the clearance holes 15 of a comparatively large diameter are fitting holes which facilitate the insertion of the protective screen 10 into a processing machine in which the protective screen in its entirety is coated with a protective coating and/or in which the protective screen is insertion-molded with a support frame (not illustrated).
  • the clearance holes 17 of a comparatively small diameter, of which there are substantially more than of the clearance holes 15 of a comparatively large diameter, enable the plastic to pass through during molding of a support frame 52 which is indicated in FIG. 4 , in order to improve the connection between the mesh 12 and the support frame 52 .
  • FIG. 2 shows a second exemplary embodiment of a protective screen according to the invention, which in its entirety is referred to as 20 , having a mesh 22 of spring steel sheet which has openings 24 which are smaller than the openings 14 , and has a finer mesh structure than the mesh 12 of the first exemplary embodiment.
  • the minimum number of openings 14 , 24 per square centimeter in the mesh 12 or 22 , respectively, is at least 15, according to DIN EN 1731.
  • the actually used number of openings in the mesh is selected according to the protective requirements, that is to say according to whether, for example, protection against flying particles which are softwood shavings or hardwood shavings is to be ensured.
  • the mesh 22 has mesh webs 26 which have a thickness D which is inversely proportional to the number of openings per square centimeter.
  • the mesh 12 is a comparatively coarse mesh having sixteen openings 14 per square centimeter.
  • the mesh 22 is a comparatively fine mesh having thirty-nine openings 24 per square centimeter.
  • 1 a and 2 a are illustrated on the same scale of enlargement, such that it is immediately obvious that the comparatively coarse mesh 22 has substantially fewer rows and openings 14 than the comparatively fine mesh 22 has rows of openings 24 .
  • the openings 24 of the mesh 22 all have identical surface areas. The same applies to the openings 14 of the mesh 12 , wherein however the mesh 22 , having an identical surface area to that of the mesh 12 , has substantially more openings 24 than the mesh 12 has openings 14 .
  • FIG. 3 shows a third exemplary embodiment of the protective screen according to the invention, which in its entirety is referred to as 30 and which corresponds to the protective screen 10 according to the first exemplary embodiment, but has a different mesh structure in the peripheral region.
  • FIG. 3 a shows the peripheral region of the protective screen 30 according to FIG. 3 on a larger scale. Same parts as in FIGS. 1 and 2 are provided with the same reference signs in FIGS. 3 and 4 and do not require renewed description.
  • mesh webs 36 a and 46 a respectively, of openings 34 a and 44 a, respectively, which lie in a zone 70 (shown in the figure as having a dashed delimitation) adjacent to the rim 38 and 48 , respectively, have a larger thickness D than mesh webs 36 b and 46 b, respectively, of the remaining openings 34 and 44 , respectively.
  • openings 34 and 34 a or 44 and 44 a respectively, in adjacent rows outside or within the zone 70 , respectively, have the same vertical center spacing M as the openings in the remaining adjacent rows of the mesh 32 and 42 , respectively.
  • the zone 70 has a width BZ which is at least equal to the vertical height H of one of the rows.
  • the width BZ of the zone 70 substantially is equal to the height of two vertically adjacent rows of openings 34 or 44 , respectively, of the mesh structure.
  • their areas are marked with dots in FIG. 4 a .
  • the comparatively thick webs of the openings 44 a are achieved by way of a somewhat modified hexagonal shape within the openings 44 a in relation to the hexagonal shape within the openings 44 .
  • said corners are configured so as to be rounded, in contrast to the corners of the hexagon of the openings 44 , which have no curvature radius.
  • thicker webs 46 a of the openings 44 a than the webs 46 b of the openings 44 are achieved while maintaining the grid pattern, specifically while maintaining a substantially identical surface area of the openings 44 a and 44 .
  • the protective screens 10 , 20 , and 30 may be provided with a zone 70 in which the mesh webs are configured so as to be thicker than in the remaining part of the mesh 12 , 22 , and 32 , respectively.
  • the mesh 12 , 22 , 32 , and 42 is manufactured from spring steel sheet, specifically by etching.
  • the mesh structure is applied onto the metal sheet, using a protective lacquer.
  • the mesh is etched from all points which are not covered by the lacquer, in order to manufacture in this manner the desired mesh structure having the wide rim 18 , 28 , 38 , and 48 , respectively, which encloses the mesh structure.
  • the protective screen 10 , 20 , 30 , and 40 is insertion-molded with a support frame of plastic, and is thus employable as a visor for a protective helmet, particularly a forestry worker's helmet.
  • a support frame of plastic which faces the mesh 42
  • a spacing A from an inner circumference 54 of the rim 48 , which adjoins the mesh 42 .
  • the support frame 52 has no contact with the actual mesh 42 and, after manufacturing, has a uniform inner delimitation.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Helmets And Other Head Coverings (AREA)
US14/438,357 2012-10-26 2013-10-16 Protective screen and visor produced therewith for a safety helmet, particularly a forestry worker's helmet Abandoned US20150272259A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102012021587.8 2012-10-26
DE102012021587.8A DE102012021587B4 (de) 2012-10-26 2012-10-26 Visier für einen Schutzhelm, insbesondere einen Forstarbeiterhelm
PCT/EP2013/071629 WO2014063969A1 (de) 2012-10-26 2013-10-16 Schutzschirm und damit hergestelltes visier für einen schutzhelm, insbesondere einen forstarbeiterhelm

Publications (1)

Publication Number Publication Date
US20150272259A1 true US20150272259A1 (en) 2015-10-01

Family

ID=49484268

Family Applications (1)

Application Number Title Priority Date Filing Date
US14/438,357 Abandoned US20150272259A1 (en) 2012-10-26 2013-10-16 Protective screen and visor produced therewith for a safety helmet, particularly a forestry worker's helmet

Country Status (7)

Country Link
US (1) US20150272259A1 (de)
EP (1) EP2911540B1 (de)
AU (1) AU2013336891B2 (de)
CA (1) CA2889590C (de)
DE (1) DE102012021587B4 (de)
NZ (1) NZ707340A (de)
WO (1) WO2014063969A1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109171067A (zh) * 2018-10-18 2019-01-11 江西赛狮实业有限公司 一种新型口罩
US20220029392A1 (en) * 2020-07-24 2022-01-27 Sherman + Reilly, Inc. Line pulling systems and devices

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9664481B2 (en) 2014-08-07 2017-05-30 5.11, Inc. Hexagonal attachment system

Citations (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1736688A (en) * 1929-01-28 1929-11-19 Gordon S Yerby Vehicle screen
US2035079A (en) * 1934-12-12 1936-03-24 Kress Adam Automobile screen
US2239946A (en) * 1939-12-26 1941-04-29 Jr Thomas B Upchurch Protective helmet
US3411158A (en) * 1966-02-17 1968-11-19 Air Reduction Lens retaining unit
US3467965A (en) * 1967-05-29 1969-09-23 Chales H Bryant Welding hood ventilator
US3530506A (en) * 1968-01-12 1970-09-29 Esb Inc Sugar cane goggles
US4551860A (en) * 1982-03-01 1985-11-12 Smit Helen E Metal mesh head covering
US4831665A (en) * 1986-07-03 1989-05-23 Anderzon Invest Ab Protective face visor of a filament mesh
US5184354A (en) * 1991-05-24 1993-02-09 Aljim Corporation Protective head and eye gear
EP0689812A2 (de) * 1994-06-30 1996-01-03 UVEX WINTER OPTIK GmbH Schutzeinrichtung für Waldarbeiter od.dgl.
US5685255A (en) * 1996-04-01 1997-11-11 Arzu; Sidney R. Flag warning device
US6478025B1 (en) * 1997-03-20 2002-11-12 Tayco Firefighting hood and SCBA face mask system
US6832393B2 (en) * 1999-05-11 2004-12-21 Peltor Ab Safety visor
US20060090234A1 (en) * 2004-10-29 2006-05-04 Procaps L.P. Protective mask for paintball
US20070070290A1 (en) * 2004-06-12 2007-03-29 Li-Jen Feng Panoramic-view diving mask with self-sealing, non-glued removable and integrally formed lenses
US20090031485A1 (en) * 2007-07-30 2009-02-05 Robert Prusinski Face Shield for Safety Helmet
US20090115960A1 (en) * 2007-11-01 2009-05-07 Brent Sheldon Lens attachment combined with formation of flexible eyewear frame
US20100122398A1 (en) * 2008-11-14 2010-05-20 Noelle Elizabeth Luciano Sleep Mask
US20100228689A1 (en) * 2009-03-04 2010-09-09 Robert Hall Eyeglasses, eyecups, and methods of use and doing business

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FR826990A (fr) * 1937-09-21 1938-04-13 Visières protectrices pour les yeux et dispositifs analogues
DE202004006585U1 (de) * 2004-04-15 2004-08-12 Peter Schmitt Gmbh Verzinktes Drahtgeflecht mit Einfassung als Gesichtsschutz zum Tragen am Feuerwehrhelm

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1736688A (en) * 1929-01-28 1929-11-19 Gordon S Yerby Vehicle screen
US2035079A (en) * 1934-12-12 1936-03-24 Kress Adam Automobile screen
US2239946A (en) * 1939-12-26 1941-04-29 Jr Thomas B Upchurch Protective helmet
US3411158A (en) * 1966-02-17 1968-11-19 Air Reduction Lens retaining unit
US3467965A (en) * 1967-05-29 1969-09-23 Chales H Bryant Welding hood ventilator
US3530506A (en) * 1968-01-12 1970-09-29 Esb Inc Sugar cane goggles
US4551860A (en) * 1982-03-01 1985-11-12 Smit Helen E Metal mesh head covering
US4831665A (en) * 1986-07-03 1989-05-23 Anderzon Invest Ab Protective face visor of a filament mesh
US5184354A (en) * 1991-05-24 1993-02-09 Aljim Corporation Protective head and eye gear
EP0689812A2 (de) * 1994-06-30 1996-01-03 UVEX WINTER OPTIK GmbH Schutzeinrichtung für Waldarbeiter od.dgl.
US5685255A (en) * 1996-04-01 1997-11-11 Arzu; Sidney R. Flag warning device
US6478025B1 (en) * 1997-03-20 2002-11-12 Tayco Firefighting hood and SCBA face mask system
US6832393B2 (en) * 1999-05-11 2004-12-21 Peltor Ab Safety visor
US20070070290A1 (en) * 2004-06-12 2007-03-29 Li-Jen Feng Panoramic-view diving mask with self-sealing, non-glued removable and integrally formed lenses
US20060090234A1 (en) * 2004-10-29 2006-05-04 Procaps L.P. Protective mask for paintball
US20090031485A1 (en) * 2007-07-30 2009-02-05 Robert Prusinski Face Shield for Safety Helmet
US20090115960A1 (en) * 2007-11-01 2009-05-07 Brent Sheldon Lens attachment combined with formation of flexible eyewear frame
US20100122398A1 (en) * 2008-11-14 2010-05-20 Noelle Elizabeth Luciano Sleep Mask
US20100228689A1 (en) * 2009-03-04 2010-09-09 Robert Hall Eyeglasses, eyecups, and methods of use and doing business

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English machine translation of EP 0689812 (Bombosch et al.), 1996 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109171067A (zh) * 2018-10-18 2019-01-11 江西赛狮实业有限公司 一种新型口罩
US20220029392A1 (en) * 2020-07-24 2022-01-27 Sherman + Reilly, Inc. Line pulling systems and devices

Also Published As

Publication number Publication date
EP2911540A1 (de) 2015-09-02
WO2014063969A1 (de) 2014-05-01
DE102012021587B4 (de) 2015-03-19
EP2911540B1 (de) 2017-07-19
CA2889590A1 (en) 2014-05-01
DE102012021587A1 (de) 2014-04-30
NZ707340A (en) 2017-08-25
CA2889590C (en) 2019-05-28
AU2013336891B2 (en) 2017-06-29
AU2013336891A1 (en) 2015-05-14

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