EP3372360A1 - Procédé de fabrication d'un rasoir - Google Patents

Procédé de fabrication d'un rasoir Download PDF

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Publication number
EP3372360A1
EP3372360A1 EP17160417.6A EP17160417A EP3372360A1 EP 3372360 A1 EP3372360 A1 EP 3372360A1 EP 17160417 A EP17160417 A EP 17160417A EP 3372360 A1 EP3372360 A1 EP 3372360A1
Authority
EP
European Patent Office
Prior art keywords
shaver
digital
handle
fabrication
customer
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.)
Withdrawn
Application number
EP17160417.6A
Other languages
German (de)
English (en)
Inventor
Spiros Gratsias
Ioannis -Marios PSIMADAS
Efstratios CHRISTOFIDELLIS
Ioannis Bozikis
Anestis TSEGENIDIS
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.)
BIC Violex SA
Original Assignee
BIC Violex SA
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 BIC Violex SA filed Critical BIC Violex SA
Priority to EP17160417.6A priority Critical patent/EP3372360A1/fr
Priority to CN201880009887.7A priority patent/CN110248780B/zh
Priority to PCT/EP2018/055929 priority patent/WO2018162720A1/fr
Priority to PCT/EP2018/055932 priority patent/WO2018162723A1/fr
Priority to CA3052224A priority patent/CA3052224A1/fr
Priority to PL18710838T priority patent/PL3592514T3/pl
Priority to US16/492,391 priority patent/US11850764B2/en
Priority to KR1020197022497A priority patent/KR102663783B1/ko
Priority to BR112019015902-9A priority patent/BR112019015902B1/pt
Priority to JP2019542678A priority patent/JP2020509795A/ja
Priority to EP18710838.6A priority patent/EP3592514B1/fr
Priority to US16/492,357 priority patent/US20200039099A1/en
Priority to MX2019009376A priority patent/MX2019009376A/es
Priority to RU2019123249A priority patent/RU2773176C9/ru
Publication of EP3372360A1 publication Critical patent/EP3372360A1/fr
Priority to US18/175,428 priority patent/US20230226708A1/en
Priority to US18/515,931 priority patent/US20240083056A1/en
Withdrawn legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26BHAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B21/00Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor
    • B26B21/40Details or accessories
    • B26B21/52Handles, e.g. tiltable, flexible
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26BHAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B21/00Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor
    • B26B21/40Details or accessories
    • B26B21/52Handles, e.g. tiltable, flexible
    • B26B21/521Connection details, e.g. connection to razor heads

Definitions

  • the disclosure relates to methods of manufacturing shaver elements and to shaver elements manufactured according to such methods, said shaver elements including at least a shaver handle.
  • Shaver handle elements i.e., a shaver handle or part of a shaver handle
  • a shaver handle or part of a shaver handle are usually plastic molded parts, injection molded as a single part or sometimes molded as several parts which are later assembled.
  • WO2006081842 shows an example of a known shaver handle element.
  • One purpose of the present concept is to improve the manufacturing of shaver handle elements of the prior art, at least with regard to material consumption and / or economy and / or easiness of manufacturing and / or improved aesthetics.
  • the present description proposes a method of manufacturing a shaver element including at least a shaver handle element for a wet shaver, said method comprising a digital fabrication step wherein said shaver element is made by digital fabrication based on a 3D digital file.
  • Digital fabrication may designate any additive manufacturing technology.
  • Additive technology is often also called three dimensional (3D) printing.
  • a 3D printer as referred to here, may designate any machine for digital fabrication.
  • shaver handle elements may be subject to relatively high mechanical stress
  • shaver handle elements obtained by the method of the invention turned out to fulfill all mechanical requirements of shaver handle elements.
  • the method according to the disclosure enables to manufacture the shaver handle element easily and without costly investment.
  • no mold has to be designed, manufactured and stored, contrary to current methods of manufacturing shaver handle elements.
  • the overall manufacturing cost may be lower than with injection molding, at least for relatively small production volumes.
  • the proposed method further provides more manufacturing flexibility, since the shape of the handle element can be modified easily without having to invest in new molds and / or change molds installed on injection molding machines as in the current situation.
  • each 3D printer can be switched very easily from one type of handle element to another, simply by sending to the 3D printer a new data file corresponding to the handle element to manufacture.
  • the manufacturing facility thus becomes very versatile and can be continuously adapted to demand.
  • the manufacturing facility since the manufacturing facility requires lower investment and relatively easy maintenance, it may be decentralized and located closer to the customer, thus enabling better and quicker delivery to the customer, less delivery costs and a more environmentally friendly process.
  • digital fabrication may enable to manufacture shaver handle elements in one piece even in case the shape thereof is unmoldable because of complex geometry, or in case the material thereof is unmoldable. More generally, digital fabrication makes the design of the handle element more flexible and simpler, since it is not subject to the limitations of injection molding in terms of tooling (injection molding requires machines and molds with cavities and inserts for each part), in terms of geometry (injection molding requires specific geometry to enable the parts to be unmolded), or otherwise.
  • the geometry of the handle may thus be optimized so that the handle uses less material than a handle manufactured by injection molding, while fulfilling the same mechanical requirements and functionalities.
  • the method described hereafter may also enable to design and manufacture handle elements as a single piece even in some cases where the handle element includes moving parts, which would not be possible with injection molding.
  • the manufacturing process is thus made simpler and less costly, since it does not require separate manufacture, handling and assembly of parts.
  • the disclosure also concerns a shaver element made in one piece with at least two rigid portions joined by an elastic portion made of elastomeric material, said elastic portion enabling relative movement between said rigid portions.
  • the shaver element includes a releasable head to handle attachment having a body, at least one attachment element (for instance two arms) movably supported by the body between an active locking position where said at least one attachment element is adapted to bear a shaver head and a release position where said at least one attachment element is adapted to release said shaver head, an actuation member adapted to mechanically actuate (directly or indirectly) the at least one attachment element, said actuation member being adapted to be manually actuated by a user for moving the at least one attachment element in the release position, said elastic portion being interposed between the actuation member and the body to bias the actuation member in a rest position corresponding to the active position of the at least one attachment element.
  • the shaver element can be part or the entirety of a shaver 1, as illustrated for instance on Figure 8 or on Figures 9-11 .
  • the shaver 1 comprises at least a shaver handle 2 and a shaver head 3.
  • the shaver head 3 may have a guard bar 4, one or several blades 5 and possibly a cover 6 or similar.
  • the shaver head 3 may be a stand alone part or comprise an interconnecting member.
  • the handle 2 may comprise an elongated handle body 7 and a head supporting portion 8 bearing the shaver head 3.
  • the handle body 7 is adapted to be held in hand by a user.
  • the handle body 7 extends between a distal end 9 (opposite the head portion 8) and a proximal end 10 (close to the head supporting portion 8), along a central line C.
  • the central line C may be curved.
  • the central line C may be included in a sagittal plane.
  • the shaver head 3 may be connected to the head supporting portion 8 by any known way, for instance enabled to pivot around a pivot axis perpendicular to the sagittal plane, or otherwise.
  • the shaver element as manufactured by the method may preferably include a shaver handle element.
  • the shaver handle element may include at least part of the shaver handle 2.
  • the shaver handle element includes the complete shaver handle 2, including at least one attachment element for attaching the shaver head 3.
  • the shaver handle element may include only part of the shaver handle 2.
  • the shaver element may also include at least part of the shaver head 3.
  • the shaver element may be formed in one piece.
  • the shaver element may be formed by digital fabrication as defined above, also called additive manufacturing.
  • the shaver element may be formed in one or several materials, including any material compatible with at least one method of digital fabrication.
  • the shaver element 2 may be formed in one or several of the following materials: plastic materials, metals, mixtures of synthetic and natural materials including wood, glass and paper, etc.
  • the shaver element may be made of at least two materials. Said at least two materials may include an elastomeric material.
  • the shaver element may be made in one piece with at least two rigid portions joined by an elastic portion made of said elastomeric material, said elastic portion enabling relative movement between said rigid portions. An example of such specific embodiment will be described below with regard to Figures 9-11 .
  • the handle may be produced around any object (e.g. an insert made of any known material) entrapping it and enabling it to move freely in the end product.
  • object e.g. an insert made of any known material
  • FIG. 1 One example of a method of manufacturing and delivering a shaver element is illustrated at Figure 1 .
  • a customer follows an order process to order a certain quantity of shaver element(s), and then the shaver element(s) is printed by digital fabrication and delivered.
  • connection step which may include for instance the following substeps:
  • the customer may then select the product to be manufactured through the interface, i.e. at least the shaver element to be manufactured.
  • the customer may choose, via the interface, either to order a standard version of the product at step 103, or to order a customized version of the product at step 104. In that case, the customer may go through a customization step 105 using a customization interface.
  • the user may customize at least one of a material of the shaver element (at substep 112), a color of the shaver element (at substep 113), dimensions and / or shape of the shaver element (at substep 114a - e.g. internal or external dimensions, Voronoi diagram, gripping features etc and special graphics of the shaver element (at substep 114).
  • the customer may customize the shaver element via a 3D interface enabling the customer to view the customized shaver element in 3D digital view (at substep 115).
  • the customer validates the customized shaver element at the end of the customization step 105, once he or she is satisfied with the customized shaver element.
  • the order process may include a production site selection step 106 wherein a production site is chosen.
  • An example of such production site selection step 106 is illustrated at Figure 3 .
  • the customer may be able to choose, via the interface, between fabricating on a public 3D printer (step 116) and fabricating in a shaver factory (step 126). If the user chooses to digital fabricate on a public 3D printer, he or she may choose the private 3D printer from a list, at step 117. If the user chooses to fabricate in a shaver factory, he or she may add personnel information via the interface, at step 127.
  • the user may place the order at step 107 via the interface.
  • the user may then pay the order at a payment step 108 and payment is confirmed to the server 109.
  • an order ticket, a data file and 3D drawings corresponding to the ordered shaver element(s) may be sent to the server 109 at step 108a.
  • the payment step 107 is illustrated at Figure 4 .
  • the payment may be done through a payment interface 118, offering for instance to pay either by credit / debit card at substep 119, or via online money transfer (e.g. PayPal ® or similar) at substep 120, or otherwise.
  • a payment confirmation may be received at substep 121.
  • server 109 dispatches the 3D digital models to the adequate 3D printer at step 110 and the shaver element(s) is / are digital fabricated on the 3D printer and delivered at a digital fabrication and delivery step 111.
  • FIG. 6 A variant of the manufacturing method of Figure 1 is illustrated at Figure 6 .
  • the interface may allow the customer to choose digital fabrication on a private 3D printer, e.g. his or her own 3D printer. This possibility may be considered/added to the possibilities already described regarding the production site selection step 106.
  • the rest of the method may be similar to the method of figure 1 and will not be described again here.
  • FIG. 7 Another variant is illustrated at Figure 7 .
  • the variant of Figure 7 differs from the method of Figure 1 in the fact that steps 102-105 are replaced by a step 128 where the customer may upload 3D digital models on the server 109 via the interface, and then the uploaded 3D digital models may be digital fabricated on the 3D printer.
  • This step 128 may be proposed simultaneously with said steps 102-105, as an alternative, by the interface.
  • the rest of the method may be similar to the method of figure 1 and will not be described again here.
  • Figure 8 and Figures 9-11 show respectively two examples of shaver elements which may be manufactured by a method as described above.
  • the handle body 7 may have a cell structure 7a, 7b formed by juxtaposed hollow cells 7b, at least partly separated by solid walls 7a.
  • the solid walls 7a may advantageously form a continuous, single solid part.
  • the solid walls 7a may form a network of solid threads or arms which are connected together.
  • the cell structure 7a, 7b may be formed based on a Voronoi diagram.
  • said cell structure 7a, 7b is a grid shell structure.
  • Such grid shell structure forms a continuous skin or shell which extends on the outside surface of the handle body, thus defining the external shape of the handle body 7 and surrounding an inner volume of the handle body.
  • the above mentioned hollow cells 7b are formed in the grid shell structure and are open toward the inner volume and at the outside surface.
  • said solid walls 7a define the thickness of the grid shell structure.
  • the inner volume is empty and free of solid walls.
  • the inner volume may include solid walls belonging to the cell structure and defining empty cells, for instance according to a 3D Voronoi diagram.
  • one or more various inserts may be included in the empty inner volume.
  • Each insert may be able to move freely in the empty volume or it may be fixed on a specific place in order to enhance ergonomy.
  • the shaver handle 2 of Figure 8 may be manufactured in one piece by the method of the invention, which would not be possible by injection molding.
  • the shaver handle 2 or at least the head supporting portion 8 thereof may be manufactured according to the invention as one single piece, with at least two materials including for instance a plastic material and an elastomeric material.
  • the shaver 1 of Figures 9-11 may be similar to the one disclosed in WO2010037418A1 .
  • the head supporting portion 8 may form a releasable head to handle attachment. More particularly, the shaver head 3 may be releasable from the head supporting portion 8 by actuation of an actuation member 13 such as an actuation button 13.
  • an actuation member 13 such as an actuation button 13.
  • the shaver head 3 may be pivotally mounted on at least one attachment element belonging to the head supporting portion 8, for instance two lateral arms 15.
  • the shaver head 3 may be elastically biased to a rest position by a free end 19A of an elastic tongue 19 also belonging to the head supporting portion 8.
  • the lateral arms 15 may for instance have shell bearings 16 cooperating with complementary shell bearings 17 for pivotally supporting the shaver head 3.
  • the head supporting portion 8 may include a body 22 formed in plastic material with the tongue 19 and the lateral arms 15, said lateral arms 15 being elastically movable between an active position ( Figure 9 ) where said lateral arms 15 bear the shaver head 3 and a release position ( Figure 10 ) where said lateral arms 15 release said shaver head 3.
  • the head supporting portion 8 further includes the actuation member 13, which may be mechanically coupled with the lateral arms 15 for instance as disclosed in WO2010037418A1 .
  • the actuation member 13 is adapted to be manually actuated by a user for moving the lateral arms 15 in the release position.
  • the actuation member 13 may include a pusher 18 to eject the shaver head 3 when the actuation member 13 is actuated.
  • the actuation member 13 may also be formed in plastic material.
  • the head supporting portion 8 may further include an elastic portion 23 of elastomeric material, interposed between the actuation member 13 and the body 22. More particularly, the elastic portion 23 may be interposed between a rear portion 21 of the actuation member 13 and the body 22.
  • the elastic portion 23 allows movement of the actuation member 13 forward in the longitudinal direction of the shaver handle when the actuation member 13 is actuated.
  • the elastic portion 23 also biases the actuation member 13 in a rest position corresponding to the active position of the arms.
  • the elastic portion and the whole mechanism may be produced by a digital fabrication method, according to the method described above, in one step. In this case there is no need for assembly of the mechanism.
  • the invention is not limited to the particular head to handle attachment features, it may be applicable to any head to handle attachments, including more complex head to handle attachments.

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  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
EP17160417.6A 2017-03-10 2017-03-10 Procédé de fabrication d'un rasoir Withdrawn EP3372360A1 (fr)

Priority Applications (16)

Application Number Priority Date Filing Date Title
EP17160417.6A EP3372360A1 (fr) 2017-03-10 2017-03-10 Procédé de fabrication d'un rasoir
KR1020197022497A KR102663783B1 (ko) 2017-03-10 2018-03-09 면도기 손잡이, 이러한 손잡이를 포함하는 면도기 및 이의 제조 방법
EP18710838.6A EP3592514B1 (fr) 2017-03-10 2018-03-09 Manche de rasoir, rasoir comprenant un tel manche et son procédé de fabrication
PCT/EP2018/055932 WO2018162723A1 (fr) 2017-03-10 2018-03-09 Procédé de fabrication de rasoir
CA3052224A CA3052224A1 (fr) 2017-03-10 2018-03-09 Manche de rasoir, rasoir comprenant un tel manche et son procede de fabrication
PL18710838T PL3592514T3 (pl) 2017-03-10 2018-03-09 Uchwyt maszynki do golenia, maszynka do golenia zawierająca taki uchwyt i sposób ich wytwarzania
US16/492,391 US11850764B2 (en) 2017-03-10 2018-03-09 Method of manufacturing a shaver
CN201880009887.7A CN110248780B (zh) 2017-03-10 2018-03-09 剃须刀手柄、包含此手柄的剃须刀和其制造方法
BR112019015902-9A BR112019015902B1 (pt) 2017-03-10 2018-03-09 Cabo para um barbeador a úmido e método para reduzir a quantidade de matéria prima usada na fabricação de um cabo para um barbeador úmido
JP2019542678A JP2020509795A (ja) 2017-03-10 2018-03-09 シェーバハンドル、そのようなハンドルを含むシェーバおよびその製造方法
PCT/EP2018/055929 WO2018162720A1 (fr) 2017-03-10 2018-03-09 Manche de rasoir, rasoir comprenant un tel manche et son procédé de fabrication
US16/492,357 US20200039099A1 (en) 2017-03-10 2018-03-09 Shaver handle and method of manufacturing
MX2019009376A MX2019009376A (es) 2017-03-10 2018-03-09 Mango de afeitadora, afeitadora que incluye tal mango y metodo para manufacturar los mismos.
RU2019123249A RU2773176C9 (ru) 2017-03-10 2018-03-09 Рукоятка бритвы, бритва, содержащая такую рукоятку, и способ ее изготовления
US18/175,428 US20230226708A1 (en) 2017-03-10 2023-02-27 Shaver handle and method of manufacturing
US18/515,931 US20240083056A1 (en) 2017-03-10 2023-11-21 Shaver handle and method of manufacturing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP17160417.6A EP3372360A1 (fr) 2017-03-10 2017-03-10 Procédé de fabrication d'un rasoir

Publications (1)

Publication Number Publication Date
EP3372360A1 true EP3372360A1 (fr) 2018-09-12

Family

ID=58266520

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17160417.6A Withdrawn EP3372360A1 (fr) 2017-03-10 2017-03-10 Procédé de fabrication d'un rasoir

Country Status (1)

Country Link
EP (1) EP3372360A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4335603A1 (fr) * 2022-09-12 2024-03-13 BIC Violex Single Member S.A. Connecteur de rasoir
EP4335602A1 (fr) * 2022-09-12 2024-03-13 BIC Violex Single Member S.A. Connecteur de rasoir

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006081842A1 (fr) 2005-02-03 2006-08-10 Bic Violex Sa Manche de rasoir comportant des zones de prehension ergonomiques
WO2010037418A1 (fr) 2008-10-01 2010-04-08 Bic-Violex Sa Poignées de rasoir destinées à être reliées de manière libérable à des cartouches de rasage et rasoirs comprenant de telles poignées
US20130081291A1 (en) * 2011-09-30 2013-04-04 Kevin James Wain Biasing shaving razors
EP2711146A1 (fr) * 2011-05-18 2014-03-26 Kai R&D Center Co., Ltd. Rasoir pivotant
US20140083265A1 (en) * 2012-09-27 2014-03-27 Shavelogic, Inc. Shaving systems
US20150113795A1 (en) * 2013-10-24 2015-04-30 Logitech Europe, S.A. Manufacturing Process for a Custom Fit In-Ear Monitor Utilizing a Single Piece Driver Module
US20160121497A1 (en) * 2014-10-30 2016-05-05 The Gillette Company Shaving razor system including at least one magnetic element
US20160374431A1 (en) * 2012-07-18 2016-12-29 Adam P. Tow Systems and Methods for Manufacturing of Multi-Property Anatomically Customized Devices

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006081842A1 (fr) 2005-02-03 2006-08-10 Bic Violex Sa Manche de rasoir comportant des zones de prehension ergonomiques
WO2010037418A1 (fr) 2008-10-01 2010-04-08 Bic-Violex Sa Poignées de rasoir destinées à être reliées de manière libérable à des cartouches de rasage et rasoirs comprenant de telles poignées
EP2711146A1 (fr) * 2011-05-18 2014-03-26 Kai R&D Center Co., Ltd. Rasoir pivotant
US20130081291A1 (en) * 2011-09-30 2013-04-04 Kevin James Wain Biasing shaving razors
US20160374431A1 (en) * 2012-07-18 2016-12-29 Adam P. Tow Systems and Methods for Manufacturing of Multi-Property Anatomically Customized Devices
US20140083265A1 (en) * 2012-09-27 2014-03-27 Shavelogic, Inc. Shaving systems
US20150113795A1 (en) * 2013-10-24 2015-04-30 Logitech Europe, S.A. Manufacturing Process for a Custom Fit In-Ear Monitor Utilizing a Single Piece Driver Module
US20160121497A1 (en) * 2014-10-30 2016-05-05 The Gillette Company Shaving razor system including at least one magnetic element

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4335603A1 (fr) * 2022-09-12 2024-03-13 BIC Violex Single Member S.A. Connecteur de rasoir
EP4335602A1 (fr) * 2022-09-12 2024-03-13 BIC Violex Single Member S.A. Connecteur de rasoir

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