WO2007144137A1 - Lightweight structured suitcase - Google Patents
Lightweight structured suitcase Download PDFInfo
- Publication number
- WO2007144137A1 WO2007144137A1 PCT/EP2007/005161 EP2007005161W WO2007144137A1 WO 2007144137 A1 WO2007144137 A1 WO 2007144137A1 EP 2007005161 W EP2007005161 W EP 2007005161W WO 2007144137 A1 WO2007144137 A1 WO 2007144137A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- suitcase
- shells
- adhesive material
- suitcase according
- bonded
- Prior art date
Links
- 239000000463 material Substances 0.000 claims abstract description 23
- 239000000853 adhesive Substances 0.000 claims abstract description 18
- 230000001070 adhesive effect Effects 0.000 claims abstract description 18
- 238000000465 moulding Methods 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 6
- 238000004519 manufacturing process Methods 0.000 claims abstract description 4
- 230000005495 cold plasma Effects 0.000 claims abstract description 3
- 239000002344 surface layer Substances 0.000 claims abstract 4
- 239000002861 polymer material Substances 0.000 claims description 13
- 238000004026 adhesive bonding Methods 0.000 claims description 6
- 238000000678 plasma activation Methods 0.000 claims description 5
- 239000004744 fabric Substances 0.000 claims description 3
- 238000005304 joining Methods 0.000 claims description 3
- 229920007019 PC/ABS Polymers 0.000 claims description 2
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 claims description 2
- 229920001903 high density polyethylene Polymers 0.000 claims description 2
- 239000004700 high-density polyethylene Substances 0.000 claims description 2
- 239000004743 Polypropylene Substances 0.000 claims 3
- -1 polypropylene Polymers 0.000 claims 2
- 229920001155 polypropylene Polymers 0.000 claims 2
- 239000004033 plastic Substances 0.000 abstract description 3
- 229920003023 plastic Polymers 0.000 abstract description 3
- 238000002203 pretreatment Methods 0.000 abstract description 3
- 229920002994 synthetic fiber Polymers 0.000 description 2
- 241000826860 Trapezium Species 0.000 description 1
- 238000001994 activation Methods 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000001464 adherent effect Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
- A45C13/00—Details; Accessories
- A45C13/04—Frames
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
- A45C5/00—Rigid or semi-rigid luggage
- A45C5/03—Suitcases
- A45C2005/037—Suitcases with a hard shell, i.e. rigid shell as volume creating element
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
- A45C5/00—Rigid or semi-rigid luggage
- A45C5/03—Suitcases
Definitions
- This invention relates to a lightweight structured suitcase, that is a suitcase according to the precharacterising clause of claim 1 and a method for its manufacture in accordance with the precharacterising clause of claim 8.
- Suitcases of the known type are substantially- subdivided into two major types: soft and rigid suitcases.
- Soft suitcases generally made of synthetic material or fabric, are lightweight and flexible but are easily torn and are unable to effectively protect the objects within them against impacts .
- Rigid suitcases are generally provided with shells of rigid metal or polymer material and locks; these are the only ones capable of combining a high level of protection for the objects within them and high resistance to tearing.
- Rigid suitcases are generally formed of two shells with corresponding integral stiffening mouldings about their perimeter which ensure the mechanical and structural properties necessary for normal use of the suitcase.
- connection between the various components of a suitcase such as for example between the shells and the stiffening mouldings, is currently brought about for example through riveting, sewing or stapling.
- adhesive bonding would appear to be particularly advantageous from the point of view of both weight and ease and speed of execution were it not for the difficulties encountered in carrying out bonding operations between plastics materials.
- the object of this invention is to provide a suitcase which makes it possible for two components, such as for example a shell of polymer material and the corresponding moulding, to be joined together through adhesive bonding resulting in suitcase structures which are particularly light and at the same time very strong.
- this object is achieved through a suitcase according to claim 1 and through a method according to claim 10.
- Figure 1 shows a suitcase in a semi-open configuration constructed in accordance with an embodiment of this invention
- Figure 2 shows a partly exploded detail of a suitcase according to Figure 1
- Figure 3 shows a disassembled detail in perspective cross-section of the shell/moulding assemblies of a suitcase illustrated in Figures 1 and 2
- - Figure 4 is a partly disassembled view of the detail in Figure 3 in the direction indicated by arrow A.
- the suitcase illustrated in Figure 1 comprises two elements Ia, 2a, between which there is at least partly- provided an adhesive material 3 which is capable of joining them firmly together through adhesive bonding.
- these two elements Ia, 2a are a shell Ia, preferably of polymer material, and a stiffening frame 2a, but obviously they may be any two components of the suitcase which must be firmly joined together.
- the adhesive bonding of any accessory or equipment such as for example a handle, a lock, a hinge or the frames therefor to the frame of the suitcase may be considered.
- At least one of the two elements Ia, 2a between which adhesive material 3 is placed to bond them together is made of preferably thermoplastic polymer material; suitable materials may for example be PC, PC/ABS, ABS, PP, HDPE.
- Each of the two shells Ia, Ib preferably manufactured through the moulding of thin sheets or by injection moulding may be regarded as being defined by a convex external surface 4a, 4b, which is generally visible from the outside, an inner surface 5a, 5b opposite thereto and a closed perimetral surface 6a, 6b. At least one of shells Ia, Ib may be formed with a fabric which is incorporated into the plastics material used for moulding.
- Figure 3 also shows a cross-section of stiffening frames 2a, 2b. These are advantageously made of polymer material, preferably by extrusion, and comprise a seat
- Seats 7a, 7b are preferably U-shaped, with the two sides of the U substantially parallel with each other.
- Fibers 8a, 8b which are substantially in the shape of a rectangular trapezium, with sloping sides forming a guide for shells Ia, Ib, are located along the seat at regular intervals .
- these fins 8a, 8b are located in such a way as to lie inside the suitcase when it is closed.
- First and second elements Ia, 2a each comprise an interface surface, or that part of their surface which comes into contact with adhesive material 3 when the suitcase is assembled.
- Adhesive material 3 which is advantageously silicone based, is then placed in contact with at least one part of the two interface surfaces, advantageously on a part such that it is located over the entire interface surface when the suitcase is assembled.
- adhesive material 3 may be located within seat 7a close to the base of seat 7a.
- adhesive material 3 may be located along the entire length of the base of seat 7a and/or over the entire surface of seat 7a which comes into contact with outer surface 4a of shell Ia. Pre-treatment of the surface parts of fins 8a which will come into contact with the inner surface 5a of shell Ia is also a possibility.
- This pre-treatment comprises suitable activation, for example by plasma activation, preferably using cold plasma, of the part of the interface surface which is to be activated in such a way as to form an activated layer 9 thereupon, the depth of which is particularly shallow, at least such as not to diminish the mechanical properties of the underlying material.
- This activated layer 9 has the property of being very much more adherent to adhesive material 3 than the material used for the elements which are to be bonded would otherwise be.
- This treatment therefore makes it possible to use polymer materials such as those indicated above when manufacturing bonded suitcases, for which adhesive bonding was hitherto unthinkable, thus achieving an appreciable saving in weight.
- structured suitcases can even be obtained with thin and therefore very light shells whose resistance to squashing and impacts is mainly due to the frames which can be manufactured with the necessary robustness without having an overall disadvantage on the weight of the suitcase.
- Frames 2a and 2b may be used to support means for rotatably joining two parts of the suitcase together as indicated diagrammatically by 10 in Figure 1.
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/304,376 US20090145710A1 (en) | 2006-06-16 | 2007-06-12 | Lightweight structured suitcase |
CN200780022434XA CN101489434B (en) | 2006-06-16 | 2007-06-12 | Lightweight structured suitcase |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP06425409.7A EP1867246B1 (en) | 2006-06-16 | 2006-06-16 | Lightweight structured suitcase |
EP06425409.7 | 2006-06-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2007144137A1 true WO2007144137A1 (en) | 2007-12-21 |
Family
ID=37198905
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2007/005161 WO2007144137A1 (en) | 2006-06-16 | 2007-06-12 | Lightweight structured suitcase |
Country Status (4)
Country | Link |
---|---|
US (1) | US20090145710A1 (en) |
EP (1) | EP1867246B1 (en) |
CN (1) | CN101489434B (en) |
WO (1) | WO2007144137A1 (en) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010029580A1 (en) * | 2008-09-09 | 2010-03-18 | Valigeria Roncato S.P.A. | Suitcasecomprising a shell adhesively secured to a frame |
IT1391577B1 (en) * | 2008-09-09 | 2012-01-11 | Valigeria Roncato Spa | SUITCASE AND METHOD FOR THE REALIZATION OF A FRAME FOR SUITCASES |
IT1391574B1 (en) * | 2008-09-09 | 2012-01-11 | Valigeria Roncato Spa | SUITCASE |
IT1391116B1 (en) * | 2008-09-30 | 2011-11-18 | Valigeria Roncato Spa | SUITCASE |
ITMI20101347A1 (en) * | 2010-07-21 | 2012-01-22 | Fab Pelletterie Milano S P A | RIGID OR SEMI-RIGID ULTRALIGHT SUITCASE |
AU2012339175B2 (en) | 2011-11-15 | 2017-03-16 | Samsonite Ip Holdings S.A R.L. | Luggage frame |
USD690510S1 (en) * | 2012-10-08 | 2013-10-01 | Comfort Revolution, LLC | Container |
US9066565B2 (en) * | 2012-11-09 | 2015-06-30 | Samsonite IP Holdings S.ar.l. | Luggage with shells having varied depths |
EP2826394B1 (en) * | 2013-07-19 | 2020-07-15 | Samsonite IP Holdings S.a.r.l | Luggage with shell, frame, and lock |
HUE046068T2 (en) | 2014-01-21 | 2020-01-28 | Negrini S R L | Hard case for containing objects and manufacturing method thereof |
JP6034357B2 (en) * | 2014-12-17 | 2016-11-30 | 偉浤 頼 | Hard frame type suitcase |
ITUB20159427A1 (en) * | 2015-12-15 | 2017-06-15 | Revival Agency Ltd | A suitcase, preferably rigid, with an interchangeable protective outer shell. |
USD824676S1 (en) * | 2016-09-20 | 2018-08-07 | Fravel Inc. | Suitcase |
CN108236179A (en) * | 2016-12-27 | 2018-07-03 | 正雄箱包(河源)有限公司深圳分公司 | Reinforcement structure, trolley case and its manufacturing method of trolley case |
EP3549479B1 (en) * | 2018-04-03 | 2020-11-25 | Victorinox Ag | Frame fixation to a suitcase |
EP3646751B1 (en) | 2018-10-31 | 2021-06-16 | Samsonite IP Holdings S.à r.l. | Luggage article including a burst resistant rim |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0109334A2 (en) * | 1982-11-10 | 1984-05-23 | Shin-Etsu Chemical Co., Ltd. | A method for imparting improved surface properties to a shaped body of a plastic resin |
US4993585A (en) * | 1989-01-12 | 1991-02-19 | Mcmahon William | Encapsulated case edging |
US5211302A (en) * | 1992-07-16 | 1993-05-18 | Paolo Tiramani | Cosmetic organizer |
DE4407478A1 (en) * | 1993-03-10 | 1994-09-15 | Fraunhofer Ges Forschung | Process for joining fibre composite plastics |
EP0615833A1 (en) * | 1993-03-19 | 1994-09-21 | Vip Industries Limited | A heat sealing method and luggage case |
DE29722646U1 (en) * | 1997-12-22 | 1998-03-26 | Ortlieb Hartmut | Bag or container |
CH694315A5 (en) * | 1999-06-28 | 2004-11-30 | Plaston Ag Kunststoffwerk | Production of plastic suitcase, by placing injection molded inner part inside injection molded outer part and joining both parts together |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7451872B1 (en) * | 2006-07-27 | 2008-11-18 | Boyt Harness Company, Llc | Weaponry container having a rigid outer surface |
-
2006
- 2006-06-16 EP EP06425409.7A patent/EP1867246B1/en not_active Not-in-force
-
2007
- 2007-06-12 CN CN200780022434XA patent/CN101489434B/en not_active Expired - Fee Related
- 2007-06-12 WO PCT/EP2007/005161 patent/WO2007144137A1/en active Application Filing
- 2007-06-12 US US12/304,376 patent/US20090145710A1/en not_active Abandoned
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0109334A2 (en) * | 1982-11-10 | 1984-05-23 | Shin-Etsu Chemical Co., Ltd. | A method for imparting improved surface properties to a shaped body of a plastic resin |
US4993585A (en) * | 1989-01-12 | 1991-02-19 | Mcmahon William | Encapsulated case edging |
US5211302A (en) * | 1992-07-16 | 1993-05-18 | Paolo Tiramani | Cosmetic organizer |
DE4407478A1 (en) * | 1993-03-10 | 1994-09-15 | Fraunhofer Ges Forschung | Process for joining fibre composite plastics |
EP0615833A1 (en) * | 1993-03-19 | 1994-09-21 | Vip Industries Limited | A heat sealing method and luggage case |
DE29722646U1 (en) * | 1997-12-22 | 1998-03-26 | Ortlieb Hartmut | Bag or container |
CH694315A5 (en) * | 1999-06-28 | 2004-11-30 | Plaston Ag Kunststoffwerk | Production of plastic suitcase, by placing injection molded inner part inside injection molded outer part and joining both parts together |
Also Published As
Publication number | Publication date |
---|---|
US20090145710A1 (en) | 2009-06-11 |
EP1867246B1 (en) | 2014-11-19 |
CN101489434B (en) | 2011-02-02 |
CN101489434A (en) | 2009-07-22 |
EP1867246A1 (en) | 2007-12-19 |
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