EP3318683A1 - Corps distributeur de fluide et douche sanitaire - Google Patents

Corps distributeur de fluide et douche sanitaire Download PDF

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Publication number
EP3318683A1
EP3318683A1 EP17199645.7A EP17199645A EP3318683A1 EP 3318683 A1 EP3318683 A1 EP 3318683A1 EP 17199645 A EP17199645 A EP 17199645A EP 3318683 A1 EP3318683 A1 EP 3318683A1
Authority
EP
European Patent Office
Prior art keywords
shower
fluid
distributor
inlet
passage openings
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.)
Pending
Application number
EP17199645.7A
Other languages
German (de)
English (en)
Inventor
Arthur Klassen
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.)
Hansgrohe SE
Original Assignee
Hansgrohe SE
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 Hansgrohe SE filed Critical Hansgrohe SE
Publication of EP3318683A1 publication Critical patent/EP3318683A1/fr
Pending legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/02—Plumbing installations for fresh water
    • E03C1/08—Jet regulators or jet guides, e.g. anti-splash devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/30—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages
    • B05B1/3006—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages the controlling element being actuated by the pressure of the fluid to be sprayed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
    • B05B1/18—Roses; Shower heads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
    • B05B1/18—Roses; Shower heads
    • B05B1/185—Roses; Shower heads characterised by their outlet element; Mounting arrangements therefor
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/02—Plumbing installations for fresh water
    • E03C1/021—Devices for positioning or connecting of water supply lines
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/02—Plumbing installations for fresh water
    • E03C1/08—Jet regulators or jet guides, e.g. anti-splash devices
    • E03C1/084—Jet regulators with aerating means
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/02—Plumbing installations for fresh water
    • E03C1/08—Jet regulators or jet guides, e.g. anti-splash devices
    • E03C1/086—Jet regulators or jet guides, easily mountable on the outlet of taps
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C2201/00—Details, devices or methods not otherwise provided for
    • E03C2201/60—Reducing noise in plumbing systems

Definitions

  • the invention relates to a fluid distributor body and to a sanitary shower which can be equipped with a fluid distributor body and which has a shower inlet region with a shower inlet, a shower outlet and a water guide from the shower inlet to the shower outlet.
  • jet regulator or jet regulator components which typically include one or more perforated plate, grid or network structures of a dimensionally stable metal or plastic material, see for example the utility model DE 93 14 990 U1 .
  • jet regulator is additionally provided an outlet-side housing part made of elastomeric material to facilitate the detachment of accumulated calcifications.
  • jet regulator is held inside the housing a plate-shaped functional part made of elastic material with water pressure dependent variable flow through holes on a dimensionally stable support member in order to adjust the water flow to a definable maximum rate. To reduce flow noise in sanitary fittings these jet regulators are neither determined nor suitable.
  • the invention is based on the technical problem of providing a fluid distributor body, which is suitable for reducing such flow noise, as well as a sanitary shower equipped therewith.
  • the invention solves this problem by providing a fluid distributor body with the features of claim 1 and a sanitary shower with the features of claim 8.
  • the fluid distributor body includes a cylindrical rim which forms a fluid inlet at an axial inlet side and a distributor structure arranged downstream of the fluid inlet for the fluid-distributing flow conduit of a fluid supplied via the fluid inlet.
  • the distributor structure is formed by at least one perforated distributor plate made of an elastomer material with a plurality of passage openings conically tapered in the direction of flow and held at the boundary. It turns out that the distributor plate realized in this way has very good noise-reducing properties.
  • the passage openings preferably form pure perforations of the distributor plate, i. they preferably extend within the plate thickness without protruding beyond it.
  • the conically tapered shape of the passages can also provide manufacturing advantages, for example, they can allow a production of the manifold structure or the manifold body as a whole with relatively little effort as plastic injection molded part.
  • the fluid distributor body is suitable, for example, for use as a sanitary fluid distributor body in the inlet region of a sanitary fitting, in particular in a region of relatively strong or abrupt deflection of a local water flow or water flow.
  • the fluid distributor body is formed as a one-piece component, which offers, inter alia, manufacturing advantages.
  • the distributor structure is in this case one-piece with the cylindrical boundary and consequently does not need to be manufactured as a separate component and attached to the cylindrical boundary.
  • the boundary of an elastomeric material In development of the invention, the boundary of an elastomeric material.
  • An edgeband made of elastomeric material can be used as a gasket if required, i. the fluid distributor body can fulfill a dual function as a sealing element and as a noise-damping element in this case.
  • the fluid distributor body as a whole be made as a one-piece component made of elastomeric material.
  • At least part of the passage openings have diverging opening longitudinal axes in the flow direction.
  • the distributor plate has a plate centered in the flow direction outwardly curved shape. This also supports, if necessary, a flow deflection from a predominantly axial direction in a predominantly transverse direction. In addition, this may result in functional and manufacturing advantages.
  • the passage openings are distributed over a plurality of radii of the distributor plate. This arrangement of the passage openings can also have a beneficial influence on the noise-reducing function of the fluid distributor body and offer manufacturing advantages.
  • the passage openings has a trapezoidal cross-section, and the associated passage openings are separated from one another by separating webs, wherein the separating webs have a cross-section widening in the flow direction in a triangular manner.
  • cross-sections for the passage openings are possible and suitable for the desired function of noise reduction, e.g. a circular or oval or a honeycomb-shaped hexagonal or hexagonal cross-section, wherein the separating webs may also have a cross-sectional widening in the flow direction triangular or alternatively another cross-section.
  • a regular pattern of such openings with hexagonal cross-section shows that the fluid distributor body in question allows a particularly good reduction of flow noise.
  • a minimum outlet cross-section of the passage openings is smaller than a thickness of the distributor plate and thus also smaller than a flow-through length of the passage openings corresponding to this thickness. It turns out that this measure can contribute greatly to the desired, noise-reducing effect of the distributor structure and thus of the distributor body as a whole.
  • the fluid distributor body according to the invention is arranged in the water supply from the shower inlet to the shower outlet. As a result, the noise of the sanitary shower can be reduced, and if necessary, the fluid distributor body can also fulfill a sealing function in the sanitary shower.
  • the fluid distributor body is arranged in a shower attachment body adjacent to a shower main body or in the shower main body adjacent to the shower attachment body or between the shower attachment body and the shower main body, wherein the shower attachment body includes the shower inlet region and follows the shower attachment body in the flow direction of the shower attachment body connected to the shower main body includes the shower outlet with the shower outlet over which an associated spray jet is delivered.
  • the shower main body may be a shower head body of a flat-mounted overhead shower head, which is coupled in a pivotable manner, eg via a ball joint, to the eg pipe-connected shower fitting body.
  • the fluid distribution body can support a desired deflection of the axially inflowing water in the transverse direction perpendicular thereto and at the same time counteract a noise occurring thereby.
  • the fluid distributor body can act simultaneously as a sealing element between the shower main body and shower connection body.
  • a flow throttle is arranged upstream of the distributor body. This can provide additional noise reduction and / or flow reduction.
  • it may be a flow restrictor, as in the German patent application 10 2016 218 917.4 the applicant is disclosed and described, the content of which is hereby incorporated in this regard in full by reference in the present application.
  • the sanitary shower of Fig. 1 comprises a shower inlet 1 with a shower inlet 2 and a shower outlet 3 with a shower outlet 4.
  • a water supply 5 leads from the shower inlet 2 to the shower outlet 4.
  • the sanitary shower shown by way of example can be used as a flat head shower of a shower system.
  • the shower inlet region 1 is formed by a shower connection body 6, to which a shower main body 7 is connected, which comprises the shower outlet region 3.
  • the connection is realized in the example shown by a ball joint 8, whereby the shower main body 7 is held on all sides pivotable on the shower connection body 6, which is tubular in this case and in turn can be coupled via a connecting thread 6a to a conventional, not shown water supply connection.
  • the shower outlet area 3 may e.g. be formed by a conventional one-piece or as shown multi-part jet disk 9 with a plurality of jet outlet openings 10 which provide a corresponding spray jet of the shower outlet 4.
  • a fluid distributor body 12 is arranged in the water guide 5 and in the example shown, especially in the connection region of shower connection body 6 and shower main body 7, depending on the embodiment in the shower main body 7 adjacent to the shower connection body 6 or in the shower connection body 6 adjacent to the shower main body 7 or between them.
  • the fluid distributor body 12, as shown, a flow restrictor 11 may be connected upstream.
  • the flow restrictor 11 is arranged upstream of the fluid distributor body 12 adjacent to the latter in the shower connection body 6.
  • the optional flow restrictor 11 may be one as described in the above-mentioned patent application DE 10 2016 218 917.4 The applicant is disclosed and described in detail, which can be referred to here for further details.
  • the fluid distributor body 12 is shown closer and individually in an advantageous realization, as shown in the shower of Fig. 1 is used.
  • the fluid distribution body 12 includes a cylindrical rim 14 that forms a fluid inlet 13 at an axial inlet side 14a and a fluid distribution flow distribution manifold 15 disposed downstream of the fluid inlet 13 a fluid supplied via the fluid inlet 13.
  • the distributor structure 15 is formed by at least one perforated distributor plate 16, which is held on the rim 14 and has a plurality of passage openings 17 tapering conically in the flow direction.
  • the fluid distribution body 12 is formed as a one-piece component, advantageously made of an elastomeric material.
  • This component may e.g. be manufactured in plastic injection molding, alternatively by another conventional manufacturing process including 3D printing technology.
  • the fluid distributor body 12 is designed in several parts, for example, in that the distributor plate 15 is made as a separate component of the boundary 14 and attached to the boundary 14 by a conventional connection technique, in which case the distributor plate 15 and the rim 14 of a same material, such as an elastomeric material, or may consist of different materials, eg only the distributor plate 15 or only the boundary 14 of an elastomeric material and the other component of a different material.
  • the distribution plate 15 has a curved towards the plate center in the flow direction outward shape.
  • the flow direction in this case runs from the axial inlet side 14a to the opposite axial end side of the fluid distributor body 12 in its axial direction, which is defined by its longitudinal center axis 18.
  • the distributor plate 15 is located at this opposite end face.
  • the passage openings 17 are in the realization according to the Fig. 2 to 4 distributed over a plurality of radii of the distributor plate 15, with the exception of a central outlet opening 17a. Specifically, in the example shown, the passage openings 17 distributed over three radii around the central passage opening 17a arranged around.
  • At least one part and preferably all passage openings 17 have diverging opening longitudinal axes 19 in the flow direction, ie the latter run at predefined divergence angles inclined to the axial direction or longitudinal center axis 18 with component pointing radially outwards in the flow direction. This contributes together with the conical taper of the passage openings 17 and the outwardly curved shape of the distributor plate 16 to the desired flow-distributing function of the fluid distributor body 12, through which axially inflowing fluid with radially outwardly facing, transverse flow component distributed or redirecting can be forwarded.
  • passage openings 17 have a trapezoidal cross-section, with the exception of the central passage opening 17a, which has a circular cross-section.
  • the passage openings 17 are separated from one another by separating webs 20, which have a cross-section widening triangularly in the flow direction.
  • the distributor structure 15 in the example shown is designed such that a minimum outlet cross section q of the through openings 17 is smaller than a thickness D of the distributor plate 16. This supports a desired, targeted flow guidance with the desired fluid-distributing function.
  • Fig. 1 can recognize the cylindrical boundary 14 at the same time act as a sealing element in the shown there use of Fluidverteiler stressess 12, which provides for a necessary sealing of the water guide 5 relative to the ball joint 8 and the connection area of shower connection body 6 and effervescent main body 7.
  • the boundary 14 is made of a suitable sealing material, for example as mentioned an elastomeric material.
  • the distributor structure 15 at this location of use of the fluid distributor body 12 supports the required distribution and deflection of the fluid supplied axially or parallel to a longitudinal center axis LA of the shower via the shower inlet 2 into a substantially perpendicular, transverse, radially outwardly directed distribution flow through which the fluid passes as far as possible evenly to all jet outlet openings 10 of the shower to supply them with fluid.
  • the flow-conducting and flow-distributing function of the fluid distributor body 12 a direct axial impact of the supplied fluid on a fluid inlet opposite, inner flow guide contour 7a of the shower main body 7 and a concomitant noise avoided.
  • this can additionally contribute to the noise reduction and flow throttling.
  • Fig. 6 to 9 illustrate two further implementation variants for the fluid distribution body 12, wherein for ease of understanding identical or functionally equivalent elements are provided with the same reference numerals and in this respect also to the above embodiments for implementation according to the Fig. 2 to 4 can be referenced. Unless otherwise stated below, the above apply to the embodiment of Fig. 2 to 4 said effects and advantages in an analogous manner for the embodiments according to the Fig. 6 to 9 ,
  • the passage openings 17 are formed with a circular rather than trapezoidal cross-section.
  • this embodiment corresponds to that of Fig. 2 to 4 , so that for all other features, properties and advantages can be referred to the above explanations.
  • the distributor structure 15 forms in both cases a coherent structure in which the passage openings 17 are formed separately from each other.
  • the opening edge regions 21 have a triangular cross-section widening in the direction of flow, corresponding to the course of the through-openings 17, which taper conically in the flow direction.
  • the in the 8 and 9 illustrated embodiment is different from that of Fig. 5 to 7 essentially only in that the distributor plate 16 is formed in this case as a flat plate and in this case the passage openings 17 are formed with each other and the longitudinal center axis 18 of the fluid distributor body 12 parallel opening longitudinal axes 19 in the distributor plate 16. In addition, the passage openings 17 are arranged in this case over four radii of the distributor plate 16 around the central passage opening 17a around.
  • the distributor plate has no flat or outwardly curved, but another shape, eg curved inward, and / or the passage openings have no trapezoidal or circular, but a different cross-section, for example an oval or polygonal , eg hexagonal, cross section.
  • such an alternative embodiment of the invention corresponds to that of 8 and 9 with the difference that the passages have a hexagonal instead of circular cross-section. This design can be very advantageous in terms of production technology and with regard to reducing the flow noise.
  • the invention provides a fluid distributor body which can be relatively easily manufactured if required and with which a fluid-distributing flow line can be achieved in such a way that otherwise occurring flow noises can be avoided or at least reduced.
  • sanitary showers which may be, for example, different types of overhead showers or hand or side showers equipped with the fluid distributor body according to the invention, preferably as explained in the shower inlet area of the sanitary shower, but alternatively also elsewhere.
  • the fluid distributor body according to the invention is used in one of the variants shown or in another variant in a different sanitary device instead of a sanitary shower, eg in mixing valves and other water-bearing fittings and pipe sections of bath and washbasin systems or shower systems.
  • a sanitary shower eg in mixing valves and other water-bearing fittings and pipe sections of bath and washbasin systems or shower systems.

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Nozzles (AREA)
  • Bathtubs, Showers, And Their Attachments (AREA)
EP17199645.7A 2016-11-04 2017-11-02 Corps distributeur de fluide et douche sanitaire Pending EP3318683A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102016221650.3A DE102016221650A1 (de) 2016-11-04 2016-11-04 Fluidverteilerkörper und Sanitärbrause

Publications (1)

Publication Number Publication Date
EP3318683A1 true EP3318683A1 (fr) 2018-05-09

Family

ID=60201927

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17199645.7A Pending EP3318683A1 (fr) 2016-11-04 2017-11-02 Corps distributeur de fluide et douche sanitaire

Country Status (5)

Country Link
US (1) US20180126395A1 (fr)
EP (1) EP3318683A1 (fr)
CN (1) CN108014933A (fr)
DE (1) DE102016221650A1 (fr)
RU (1) RU2692722C2 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202019101312U1 (de) * 2019-03-08 2020-06-09 Neoperl Gmbh Strahlregler
IL303790A (en) * 2020-12-18 2023-08-01 Villareal Marco Antonio Garc?A Modular shower head assembly

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2901013A1 (de) * 1979-01-12 1980-07-17 Grohe Kg Hans Brause, insbesondere handbrause
GB2210566A (en) * 1987-10-06 1989-06-14 Caradon Mira Ltd Spray head for ablutionary appliances
DE4413060A1 (de) * 1994-04-15 1995-10-19 Wildfang Dieter Gmbh Strahlregler
WO1996000617A1 (fr) * 1994-06-30 1996-01-11 Johs. Tandrup Metalvarefabrik Aps Pomme de douche et ensemble de douche pourvu d'une telle pomme
GB2337471A (en) * 1998-05-16 1999-11-24 Caradon Mira Ltd Rose spray head with adjustable outlets
DE9321641U1 (de) * 1992-11-04 2001-11-15 Grohe Armaturen Friedrich Brausekopf
EP1619315A1 (fr) * 2004-07-22 2006-01-25 Elast Kunststoffverarbeitungs-GmbH & Co. KEG Régulateur de jet
DE102010048701A1 (de) * 2010-09-28 2012-03-29 Neoperl Gmbh Sanitäres Einbauteil
DE102011112666A1 (de) * 2011-09-06 2013-03-07 Neoperl Gmbh Sanitäres Einbauteil

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2402741A (en) * 1944-10-03 1946-06-25 Adolphe O Draviner Spray head
DE9314990U1 (de) * 1993-10-02 1993-11-25 Wildfang Dieter Gmbh Strahlregler zum Anschluß an Sanitärarmaturen
DE10246334B4 (de) * 2002-10-04 2015-05-07 Neoperl Gmbh Sanitäres Einbauteil
EP2001600B1 (fr) * 2006-03-31 2009-09-16 CRS S.p.A. Pomme de douche
DE102009047907A1 (de) * 2009-09-23 2011-03-31 Hansgrohe Ag Brausekopf für eine Sanitärbrause
DE202011105376U1 (de) * 2011-09-06 2012-12-10 Neoperl Gmbh Sanitäres Einbauteil
CN204486056U (zh) * 2014-12-30 2015-07-22 王利彬 一种带有静音功能的负离子节水顶喷花洒
DE102015003607A1 (de) * 2015-03-23 2016-09-29 Grohe Ag Brausekopf für eine Sanitärbrause
DE102016218917B3 (de) 2016-09-29 2018-01-11 Hansgrohe Se Strömungsdrossel und Sanitärbrause

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2901013A1 (de) * 1979-01-12 1980-07-17 Grohe Kg Hans Brause, insbesondere handbrause
GB2210566A (en) * 1987-10-06 1989-06-14 Caradon Mira Ltd Spray head for ablutionary appliances
DE9321641U1 (de) * 1992-11-04 2001-11-15 Grohe Armaturen Friedrich Brausekopf
DE4413060A1 (de) * 1994-04-15 1995-10-19 Wildfang Dieter Gmbh Strahlregler
WO1996000617A1 (fr) * 1994-06-30 1996-01-11 Johs. Tandrup Metalvarefabrik Aps Pomme de douche et ensemble de douche pourvu d'une telle pomme
GB2337471A (en) * 1998-05-16 1999-11-24 Caradon Mira Ltd Rose spray head with adjustable outlets
EP1619315A1 (fr) * 2004-07-22 2006-01-25 Elast Kunststoffverarbeitungs-GmbH & Co. KEG Régulateur de jet
DE102010048701A1 (de) * 2010-09-28 2012-03-29 Neoperl Gmbh Sanitäres Einbauteil
DE102011112666A1 (de) * 2011-09-06 2013-03-07 Neoperl Gmbh Sanitäres Einbauteil

Also Published As

Publication number Publication date
RU2017137775A (ru) 2019-04-30
CN108014933A (zh) 2018-05-11
RU2017137775A3 (fr) 2019-04-30
RU2692722C2 (ru) 2019-06-26
DE102016221650A1 (de) 2018-05-09
US20180126395A1 (en) 2018-05-10

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