WO2010007242A1 - Procédé et système pour produire des formes tridimensionnelles à partir de pièces assemblées ayant des caractéristiques d'élasticités distinctes - Google Patents
Procédé et système pour produire des formes tridimensionnelles à partir de pièces assemblées ayant des caractéristiques d'élasticités distinctes Download PDFInfo
- Publication number
- WO2010007242A1 WO2010007242A1 PCT/FR2009/000793 FR2009000793W WO2010007242A1 WO 2010007242 A1 WO2010007242 A1 WO 2010007242A1 FR 2009000793 W FR2009000793 W FR 2009000793W WO 2010007242 A1 WO2010007242 A1 WO 2010007242A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- deforming
- structuring
- parts
- piece
- tension
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B68—SADDLERY; UPHOLSTERY
- B68F—MAKING ARTICLES FROM LEATHER, CANVAS, OR THE LIKE
- B68F1/00—Making articles from leather, canvas, or the like
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
- A45C3/00—Flexible luggage; Handbags
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
- A45C3/00—Flexible luggage; Handbags
- A45C3/001—Flexible materials therefor
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
- A45C5/00—Rigid or semi-rigid luggage
- A45C5/03—Suitcases
- A45C2005/032—Suitcases semi-rigid, i.e. resistant against deformation and resilient, e.g. with a resilient frame
Definitions
- the present invention relates to a method for producing a three-dimensional shape from assembled parts having distinct elasticity characteristics. It also relates to a system implementing this method, as well as leather goods, such as bags and more generally three-dimensional objects made from this process.
- the invention applies particularly, but not exclusively, to leather goods or three-dimensional objects at least partly made of leather.
- the field of the invention is that of the industry of processing substantially flat materials for the purpose of making three-dimensional shapes.
- the term "form" is to be considered not only in the proper sense (geometrical form), but it also designates, figuratively, an object or a set having the evoked geometrical properties (producing a "three-dimensional shape”) .
- the object of the present invention is to provide a method for obtaining a three-dimensional shape, which does not imply the use of specific structural parts or armature.
- This object is achieved with a method for producing a three-dimensional shape from two assembled parts having distinct elasticity characteristics, comprising the following steps:
- the method according to the invention it is possible to obtain a three-dimensional equilibrium shape having both strength and flexibility characteristics.
- the outfit is due to the self-supporting properties of the structuring piece, which is the body of the three-dimensional shape.
- the structuring piece however has a certain flexibility, and lends itself to deformations, mainly in flexion.
- structural and deforming parts made in webs or skins are used in the process, having reduced thicknesses relative to their other dimensions.
- the method further comprises a step of cutting at least one of the two pieces after obtaining the three-dimensional shape.
- the method further comprises a step of cutting at least one of the two parts prior to the tensioning of the deforming part.
- the bonding step comprises spraying an adhesive having characteristics of resistance to moisture, on the structuring part and on the deforming part.
- the invention also relates to a method of assembling at least two structural parts, previously shaped by a method having all or part of the preceding features.
- a system for producing a three-dimensional shape from two assembled parts having distinct elasticity characteristics comprising:
- the system according to the invention further comprises means for cutting at least one of the two pieces after obtaining the three-dimensional shape.
- the system according to the invention further comprises means for cutting at least one of the two parts prior to the tensioning of the deforming part.
- the system uses a structuring piece of leather.
- the invention also relates to an assembly system of at least two structural parts, comprising means for assembling structural parts previously shaped by a system having all or part of the preceding features.
- an article of leather goods such as a bag, at least a part of which is made from an assembly of a deforming piece, and a structuring piece, in particular leather, and shaped three-dimensionally by a method having all or part of the features detailed above.
- a three-dimensional object at least a part of which is made from an assembly of a part deforming, and a structuring piece, in particular leather, and formatted three-dimensionally by a method having all or part of the features detailed above.
- FIG. 1 illustrates the different steps of the embodiment method according to the invention.
- FIG. 2 is a sectional view of the complex envelope obtained with the method according to the invention.
- the structuring piece can typically be leather.
- This structuring part is particularly sought for properties of mechanical strength and rigidity, essentially in tension / compression in the plane of its surface (when flat) or in the directions tangent thereto.
- the structural part also resists deformation under the effect of stresses exerted perpendicularly to its surface.
- this structural part it is sought for this structural part a relatively high bending ability.
- the structuring part thus has combined qualities of transverse mechanical strength and flexibility of the material.
- a deforming piece 1 was prepared and cut such as "Bengaline Lycra®” or elastane®-based. This piece deforming will form a lining, which may have been woven with decorative or fancy patterns.
- a first step (I) the deforming part 1 is cut beforehand according to a predetermined template according to the desired three-dimensional shape, that is to say as a function of the deformation that it will cause on the structuring part.
- the deforming part 1 is then placed in a tensioning machine comprising two mechanical parts 10, 11 in which are inserted and locked the edges of the part 1 which is held in tension with a tension force F determined according to the characteristics of the deforming part used (stage II) and in particular its elasticity.
- This tensioning force F must ensure a tension lower than the breaking force of the deforming part.
- One of the faces of the deforming part 1 is then subjected to a spray application of glue by means of a suitable equipment 12 arranged facing the deforming part 1 (step III).
- the adhesive used is preferably a strong adhesive and having a minimum sensitivity to environmental conditions and in particular humidity levels and temperature variations. It must not be retractable with water and heat; It may be Neoprene® or equivalent, but should preferably be environmentally and health friendly.
- a structuring piece 2 made of a material which is typically leather or a similar material has been prepared and cut. This material will constitute both the body and the outer shell of the three-dimensional shape.
- the structuring part is subjected (step IV) on one of these faces intended to be applied to the deforming part, to a glue application identical to that used to glue the deforming part 1.
- the application of the glue is preferably performed on the so-called "velvet" side.
- step V The deforming part 1 and the structuring part 2 previously glued are then superimposed and glued (step V), the deforming part 1 is always maintained in tension (step V).
- step VI the tension force F is removed and the complex piece 1 + 2 thus produced is released, which instantly takes on a three-dimensional curved shape (step VI).
- step VI Being freed from the tension force F, the deforming piece 1 which was previously stretched retracts to return to its nominal shape. However, it does not find exactly its initial shape given the resistance that the structural part 2 sets against it.
- the curvature of the complex part 1 + 2 is induced by the difference of the tension forces exerted respectively on the structuring part 2 of rigid feature, and on the deforming piece 1 of elastic characteristic, and the fact that the two pieces form layers 1.2 firmly bonded to each other.
- the curved shape is such that the structuring part 2 is located on the convex side, while the deforming part is located on the concave side.
- the structuring piece plays a role of spring, when it works in bending.
- This complex piece 1 + 2 is then completed (step VII) by assembling other structural parts.
- This assembly is carried out by known techniques, such as sewing, gluing, etc.
- the structural part 2 is leather
- Accessories such as handles 21 and closures are then mounted on the bag 20.
- the production steps that have just been described can be automated from current industrial manufacturing techniques.
- the various equipment used for cutting, tensioning, gluing, bonding layers, and assembly can be provided with control means / numerical control and if necessary robotic.
- the material used for the deforming part such as fabric, can be a standardized material, which allows a certainty as to the result, that is to say the precise obtaining of the desired three-dimensional shape.
- the method is suitable not only for small but also for large areas of structuring and deforming parts.
- the surface is actually a determining factor of the implementation.
- the bag 20 thus obtained then has a permanent three-dimensional shape without the need to include specific stiffening or holding parts to form a structure or frame.
- each of the structuring and deforming parts provides three functions: a first function is mechanical, in terms of resistance (for the structuring part) and of retraction (for the deforming part), in order to obtain the desired three-dimensional shape.
- a second function is to jointly form an envelope for a container (wall of the bag).
- a third function is to constitute the style (made visual, tactile) outside or inside the bag. It is remarkable that these three functions are assured only by two pieces contiguous to one another.
- the process for producing three-dimensional shapes could be implemented outside the field of leather goods, to produce objects for various uses or for industrial creations.
- the materials used may differ substantially from those described, provided that the materials of the two assembled pieces have distinct elasticity characteristics.
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Treatment And Processing Of Natural Fur Or Leather (AREA)
- Purses, Travelling Bags, Baskets, Or Suitcases (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009801334967A CN102083739A (zh) | 2008-06-25 | 2009-06-25 | 使用弹性各异的零件组建三维形状的程序与操作系统 |
JP2011515527A JP5527907B2 (ja) | 2008-06-25 | 2009-06-25 | 異なる弾性特性を有する組み立てパーツから三次元形状を製造する方法及びシステム |
KR1020117001920A KR101326021B1 (ko) | 2008-06-25 | 2009-06-25 | 각기 다른 탄성을 가진 재료들을 통해 입체 형태를 제조하기 위한 공정 및 시스템 |
EP09797561.9A EP2303765B1 (fr) | 2008-06-25 | 2009-06-25 | Procédé pour produire des formes tridimensionnelles à partir de pièces assemblées ayant des caractéristiques d'élasticités distinctes, et article de maroquinerie |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR08/54220 | 2008-06-25 | ||
FR0854220A FR2933027B1 (fr) | 2008-06-25 | 2008-06-25 | Procede et systeme pour produire des formes tridimentionnelles a partir de pieces assemblees ayant des caracteristiques d'elasticites distinctes. |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2010007242A1 true WO2010007242A1 (fr) | 2010-01-21 |
WO2010007242A4 WO2010007242A4 (fr) | 2010-03-18 |
Family
ID=40344945
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR2009/000793 WO2010007242A1 (fr) | 2008-06-25 | 2009-06-25 | Procédé et système pour produire des formes tridimensionnelles à partir de pièces assemblées ayant des caractéristiques d'élasticités distinctes |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP2303765B1 (fr) |
JP (1) | JP5527907B2 (fr) |
KR (1) | KR101326021B1 (fr) |
CN (1) | CN102083739A (fr) |
FR (1) | FR2933027B1 (fr) |
WO (1) | WO2010007242A1 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102016110B1 (ko) * | 2018-06-15 | 2019-08-29 | 김명희 | 가죽 가방 제조 방법 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE641614C (de) * | 1936-04-24 | 1937-02-06 | Spielmann & Co G | Verfahren zur Erzeugung von Falten und Faltenmusterungen auf Leder fuer Taeschnerwaren und anderen flachen Werkstoffen |
GB1277038A (en) * | 1969-07-09 | 1972-06-07 | Vladimirsky Nii Sint Smol | A method of manufacturing shaped articles from elastic porous materials |
FR2415474A2 (fr) * | 1978-01-25 | 1979-08-24 | Delhome Rene | Procede de fabrication d'une figurine-jouet et figurine obtenue par ce procede |
EP0788874A1 (fr) * | 1996-02-12 | 1997-08-13 | McNEIL-PPC, Inc. | Matériau composite stratifié, procédé pour la production et des produits dérivés |
FR2888829A1 (fr) * | 2005-07-22 | 2007-01-26 | Faurecia Interieur Ind Snc | Procede de mise en forme d'une peau de cuir |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0354572Y2 (fr) * | 1986-05-30 | 1991-12-03 | ||
JPH0546308U (ja) * | 1991-11-29 | 1993-06-22 | 三恵ライトパック株式会社 | 小物入用携行バッグ |
KR200262992Y1 (ko) * | 2001-07-27 | 2002-02-02 | 지. 아이. 씨 상사 주식회사 | 가죽옷 소재 |
KR200308743Y1 (ko) * | 2002-12-16 | 2003-03-26 | 화인고무(주) | 고무천연가죽 시트 |
JP2004236875A (ja) * | 2003-02-06 | 2004-08-26 | Raraya:Kk | バッグ |
-
2008
- 2008-06-25 FR FR0854220A patent/FR2933027B1/fr not_active Expired - Fee Related
-
2009
- 2009-06-25 EP EP09797561.9A patent/EP2303765B1/fr active Active
- 2009-06-25 CN CN2009801334967A patent/CN102083739A/zh active Pending
- 2009-06-25 KR KR1020117001920A patent/KR101326021B1/ko active IP Right Grant
- 2009-06-25 JP JP2011515527A patent/JP5527907B2/ja active Active
- 2009-06-25 WO PCT/FR2009/000793 patent/WO2010007242A1/fr active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE641614C (de) * | 1936-04-24 | 1937-02-06 | Spielmann & Co G | Verfahren zur Erzeugung von Falten und Faltenmusterungen auf Leder fuer Taeschnerwaren und anderen flachen Werkstoffen |
GB1277038A (en) * | 1969-07-09 | 1972-06-07 | Vladimirsky Nii Sint Smol | A method of manufacturing shaped articles from elastic porous materials |
FR2415474A2 (fr) * | 1978-01-25 | 1979-08-24 | Delhome Rene | Procede de fabrication d'une figurine-jouet et figurine obtenue par ce procede |
EP0788874A1 (fr) * | 1996-02-12 | 1997-08-13 | McNEIL-PPC, Inc. | Matériau composite stratifié, procédé pour la production et des produits dérivés |
FR2888829A1 (fr) * | 2005-07-22 | 2007-01-26 | Faurecia Interieur Ind Snc | Procede de mise en forme d'une peau de cuir |
Also Published As
Publication number | Publication date |
---|---|
KR101326021B1 (ko) | 2013-11-07 |
FR2933027B1 (fr) | 2011-02-18 |
JP2011525823A (ja) | 2011-09-29 |
CN102083739A (zh) | 2011-06-01 |
EP2303765A1 (fr) | 2011-04-06 |
EP2303765B1 (fr) | 2018-12-19 |
FR2933027A1 (fr) | 2010-01-01 |
WO2010007242A4 (fr) | 2010-03-18 |
JP5527907B2 (ja) | 2014-06-25 |
KR20110040863A (ko) | 2011-04-20 |
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