CN102396862A - Material and process of manufacturing luggage cases - Google Patents
Material and process of manufacturing luggage cases Download PDFInfo
- Publication number
- CN102396862A CN102396862A CN2011102726103A CN201110272610A CN102396862A CN 102396862 A CN102396862 A CN 102396862A CN 2011102726103 A CN2011102726103 A CN 2011102726103A CN 201110272610 A CN201110272610 A CN 201110272610A CN 102396862 A CN102396862 A CN 102396862A
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- China
- Prior art keywords
- luggage case
- casing
- polypropylene
- zipper
- shell
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- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
- A45C5/00—Rigid or semi-rigid luggage
- A45C5/02—Materials therefor
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- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
- A45C7/00—Collapsible or extensible purses, luggage, bags or the like
- A45C7/0018—Rigid or semi-rigid luggage
- A45C7/0022—Rigid or semi-rigid luggage comprising an integrated expansion device
- A45C7/0027—Rigid or semi-rigid luggage comprising an integrated expansion device with slide fastener strips
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- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
- A45C13/00—Details; Accessories
- A45C13/04—Frames
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- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
- A45C13/00—Details; Accessories
- A45C13/10—Arrangement of fasteners
- A45C13/1023—Arrangement of fasteners with elongated profiles fastened by sliders
- A45C13/103—Arrangement of zip-fasteners
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- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
- A45C13/00—Details; Accessories
- A45C13/10—Arrangement of fasteners
- A45C13/1076—Arrangement of fasteners with a snap action
- A45C13/1084—Arrangement of fasteners with a snap action of the latch-and-catch type
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- 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
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- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
- A45C5/00—Rigid or semi-rigid luggage
- A45C5/14—Rigid or semi-rigid luggage with built-in rolling means
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Purses, Travelling Bags, Baskets, Or Suitcases (AREA)
Abstract
The invention relates to novel modified polypropylene compositions, especially for luggage case applications. More particularly, the invention relates the blend of PP and elastomer which are compatible to polypropylene are heated to melt in the injection moulding unit barrel. The melted material of the blend bonds together in the predetermined proportion of PP - 60 to 90% and Elastomer which are compatible to Polypropylene - 40 to 10% depending on the product design & structure (For example - Engage , Ethyl vinyl acetate (EVA) etc. to give a single material type with molecular continuity . In short, the material properties are enhanced through molecular properties of each polymer , resulting in manufacture of luggage case as ''No break''. [This modified polypropylene composition for a luggage case is henceforth called as ''K-PP'']. It also relates to manufacturing of various luggage cases from the said material.
Description
Technical field
The present invention relates to luggage case, and more specifically relate to the hard case that has or do not have the semihard case that strengthens framework and have or do not have framework.
Background technology
In luggage case, top half shell 1 of usually hard luggage case and bottom half shell 2 are by plastic raw materials, and promptly HDPE, PP, enhancing PP, ABS or PC make.These nature are hard, and process through injection mo(u)lding or vacuum forming technology.All these materials all have when on it the power of applying greater than it in normal temperature (negative 20 ℃ to the 50 ℃) trend of breaking and breaking when surrendering down.
The normally injection mo(u)lding of HDEP and PP material shell 1,2, and be hard.Luggage case by these made well known in the prior art is to be injection molded into molding box (IML) fully or to have the case that strengthens framework.
It is normally pressure-formed to strengthen the PP shell, and very hard.Luggage case by this made well known in the prior art is the suture zipper case or has the case that strengthens framework, but is not IML.
ABS and PC shell are normally vacuum-formed or pressure-formed, and are hard.Luggage case by this made well known in the prior art is the suture zipper case, has the case that strengthens framework and be injection molded into molding box (IML).
The suitcase that known confession traveller uses has a lot of structures.These known structure have various forms, and are not that at least one pair of that comprise rarely that person easy to use makes that case moves taken turns/roller 7.
In addition, the also known suitcase that is combined with drawbar structure 11 that provides, this drawbar structure 11 often can and reclaim between the restoration position and move in user's case traction position.
Can think easily that suitcase comprises two kinds of main types, first kind is so-called soft case, and second kind be so-called hard case.
Soft case routine comprises metal or plastic frame, relies on the mechanism that this metal or plastic frame provided to keep required shape of casing and visual appearance and also be used to support soft crust.
Above-mentioned sclerderm casing is considered to sclerderm, because wall portion is formed for providing rigidity or hard crust basically, and wall portion, top 1 and bottom 2 are formed by the sufficient material of rigidity and make it in use keep its shape and form.The material that is generally used for forming the sclerderm case is polypropylene/ABS or PC.
This casing comprises two rigid crusts, and it is hinged each other 13 that these two rigid crusts are set up hinge through target, and intersects through embedded tongue and groove framework class formation.Be used to cover 1 and base part remained on their closing position such as the machanical fastener of hinged lock.
Usually; So-called " firmly " shell includes around metal or the plastic frame of the interior Zhou Yanshen of casing; This metal or plastic frame extend in this position to casing structural strength being provided, and also guarantee in addition any in tongue will be always nested relative to each other all with groove device.What need remember is; The mode of current many travellings; Promptly through aircraft, coach etc.; The portable luggage amount of single passenger is had weight limits, although have been found that known hard box structure the reliability and the anti-damageability of suitable high level is provided, the extra weight of casing has produced sizable restriction to the actual weight of the article in the casing of can packing into.
On the other hand, although the lighter soft case of weight allows more article to be loaded in the casing, the weight anti-damage reliability that light and soft box structure provided more is low more, or the traveller is produced unacceptable content integrity problem.
Summary of the invention
Target of the present invention provides a kind of flexible shell that is used to the upright case of slide fastener; This flexibility shell does not break under the test condition in very severe in normal temperature (negative 20 degrees centigrade to 50 degrees centigrade) yet, to be provided at the high strength of whilst on tour use and durable luggage case.
Another target of the present invention is that the structure for luggage case easily is sewn on the shell 1,2 retention mechanism such as slide fastener 4.
Another target of the present invention is to make the appearance of luggage case be similar to Merlon luggage case or flexible luggage case.
Another target of the present invention provides the flexible shell that is used to have or do not have the suitcase that strengthens framework; This flexibility shell does not break under the test of very severe is regulated in normal temperature (negative 20 degrees centigrade to 50 degrees centigrade) yet, to be provided at the high strength of whilst on tour use and durable luggage case.
Further target of the present invention provides a kind of suitcase, and its outward appearance is different from the outward appearance of the simple standard rectangular massive structure of suitcase.
The present invention relates to novel modified polypropene synthetic, be used in particular for luggage case and use.More specifically, the present invention relates to be heated to the PP that is melted in the injection molding units bucket and with the elastomeric mixture of polypropylene compatible.The material of the mixture of fusing according to product design and structure (for example-joint; Ethylene-vinyl acetate copolymers (EVA) etc. will be in the same place with elastomer-bonded polypropylene compatible according to the PP of the 60-90% of predetermined ratio and 40-10%, to provide the continuous single material type of molecule.In brief, material property is enhanced through the molecule performance of each polymer, and the parts that cause producing " do not break ".(this modified polypropene synthetic that is used for luggage case is known as " K-PP " at the back)
By the semihard housing that constitutes like Fig. 1, Fig. 3 and top 1 shown in Figure 4 and bottom shell 2; And another casing that is made up of two housings as shown in Figure 5 utilizes K-PP to make; And be configured to suitable shape and design; And have suitable connecting method, weave 14 structures such as crimping 3, slide fastener 4 and screw thread, perhaps the edge with housing is assembled in suitable metal or the plastic frame body 104,105.With respect to the known class of luggage type, this is unique and has the classification of the luggage type of district portion, hereinafter is known as " PP zip mode case ".
The luggage case that utilization becomes the modification synthetic manufacturing of K-PP has remarkable performance, especially very high impact strength, elasticity and surface stability.That utilizes that K-PP makes has the possibility of all design features of being made injection molding part like top half one 1 of Fig. 1, Fig. 3, luggage case shown in Figure 4 and base portion halves 2 and another casing that is made up of two housings 101 as shown in Figure 5.It overcomes hot forming top half one of luggage case and the design constraint of base portion halves.
But with the existence of elastomer molecules in K-PP of polypropylene compatible with respect to known injection mo(u)lding material, such as HDPE, PP, enhancing PP, ABS or PC etc., have in injection mo(u)lding better fluid ability.This has provided and has been easy to make and like the advantage of the higher productivity ratio of top half one 1 of Fig. 1, Fig. 3, luggage case shown in Figure 4 and base portion halves 2 and another casing that is made up of two housings 101 as shown in Figure 5.
K-PP is low-density and is soft, thereby the possibility of the luggage case of the band zipper domain portion that has zipper fastener device 4 is constructed in permission through the sew application that utilizes fixed screw 14.
Make with the existence of elastomer molecules in K-PP of polypropylene compatible and to utilize the soft of this forming materials like top half one 1 of Fig. 1, Fig. 3, luggage case shown in Figure 4 and base portion halves 2 and another casing that constitutes by two housings 101 as shown in Figure 5.Obviously make luggage case sensation " medium-soft semihard ".
Utilize thus this forming materials as in top half one 1 of Fig. 1, Fig. 3, luggage case shown in Figure 4 and base portion halves 2 and another casing that constitutes by two housings 101 as shown in Figure 5 through the surface that advantage obtained soft feel when touching of among the K-PP and elastomer molecules polypropylene compatible, be known as " soft sense of touch " luggage case hereinafter.
K-PP is low-density, is combined with the favorable mechanical performance, allows significantly to be surpassed by the luggage case weight savings of this made the possibility of the luggage case of being made by the PP that is equal to.Design studies suggestion particularly can obtain 15% weight savings about the design details of thickness through top half one 1 that conscientiously pays close attention to like Fig. 1, Fig. 3, luggage case shown in Figure 4 with base portion halves 2 and another casing that is made up of two housings 101 as shown in Figure 5 for identical impact.
Description of drawings
Fig. 1 representes to have the isometric drawing of upright luggage case of band slide fastener of the magnification ratio view of locking device, and the volume of the upright luggage case of this band slide fastener is unaugmentable under closed condition;
Fig. 2 representes the cutaway view of the thin portion of luggage case as shown in Figure 1 with magnification ratio;
Fig. 3 representes to have the isometric drawing of the second embodiment luggage case of the magnification ratio view of locking device, and the volume of this second embodiment luggage case is distensible, and this accompanying drawing illustrates the luggage case when not expanding;
The luggage case of Fig. 4 presentation graphs 3 is when the isometric drawing of luggage case when expanding;
Fig. 5 representes to be in the isometric drawing of the suitcase that has the 3rd embodiment that strengthens framework in the closure state.
The specific embodiment
The present invention relates to structure such as the luggage case of the suitcase that supplies the traveller to use.
The purpose of this invention is to provide a kind of " semihard " suitcase structure, it avoids the use of at least some problems that hard case and soft case produced of known structure.
For the application's purpose, it is owing to following reason like this that " semihard " case is considered to, and top base side and end wall can easily not pierced through by blade or pin as the case with known soft box structure.
Further target provides a kind of suitcase, and its outward appearance is different from the outward appearance of the simple standard rectangular massive structure of suitcase.
Substantially according to a first aspect of the invention; The method of structure skilled hand's suitcase as shown in Figure 1 is provided; This method comprises the shaping base part 2 and shaping cover 1 that makes each several part keep the plastic material of the characteristic of its designated shape to form by having, and the zipper segment of the sew application correspondence that attached zipper fastener 4 is installed on each said part through utilizing fixed screw 14.Further aspect of the present invention provides the method for structure no framework " semihard " suitcase; The method is characterized in that following steps; Make each several part keep the material of the characteristic of its shaping form to form base part 2 and cover 1 by having, and the zipper segment of the sew application correspondence of attached zipper fastener device 4 on each said part through utilizing fixed screw as shown in Figure 2 14.
According to a further aspect of the present invention; Provide structure to have the method for the suitcase of the soft case appearance of no framework " semihard "; The method is characterized in that following steps; Keep it to specify the material of the characteristic of soft case outer shape to form hypocrateriform base part 2 and hypocrateriform cover 1 by having substrate of making 2 and cover 2, and the attachment means that will be used for making substrate 2 and cover 1 be maintained at the correspondence of suitcase closure state through the sew application that uses screw 14 is attached to said hypocrateriform free edge zone partly.
According to aspect further of the present invention, the method for structure like the suitcase of Fig. 3 and the storage volumes that can increase casing shown in Figure 4 is provided.
The mechanism that is preferred for making the closing volume of said suitcase to increase comprises zipper fastener device 17.
Routinely, zipper fastener device the 4, the 17th, two parts formula zipper fastener device.According to a second aspect of the invention; The method of structure semihard suitcase is provided; This method comprises by having makes each several part keep the material of the characteristic of its shaping form to form base part 2 and cover 1, and the zipper segment of the sew application correspondence of attached zipper fastener device 4 on each said part through utilizing hold-down screw 14.
According to a further aspect of the present invention; The method of structure suitcase is provided; This method comprises by having makes each several part keep the material of the characteristic of its shaping form to form hypocrateriform base part 2 and hypocrateriform cover 1; And the slide fastener section of the correspondence of attached zipper fastener 4,17 devices on each said part of the sew application through utilizing set bolt 14; These zipper fastener 4,17 devices can be maintained in the closure state suitcase, and comprise the mechanism that the storage volumes that is used to make closed suitcase can increase.
Preferred suitcase is provided with four groups of ground engagement supporting members 8, on each of two lateral surfaces of suitcase, provides one group, thereby casing can stand on the stayed surface on one of two orientations or another.
In preferred structure; Two elements of one this group 8 are provided on the base section and comprise wheel/roller 7; Thereby casing can be pulled, and wherein at least one other element of this group is positioned on the cover 1, this device is that casing provides stable support when not by towing.
In preferred structure, base part be provided with casing carrying handle 10 and retractible drag body 11 with wheel/roller 7 opposite sides.
Preferably; Two elements of second this group are provided on the long sidewall of base part 2; And two other elements of this group are provided on the wall of correspondence of cover 1; This device make when the element that is seated in this group 8 last time casing be stable, and wherein carrying handle 12 is provided on base section and the side side thereof opposite that has said element 8.
In further preferred construction, casing comprises the mechanism that the volume that makes casing can be expanded.
Routinely; Expansivity realizes through two parts formula zipper fastener device 17 is provided; First zipper segment 4 of two parts formula zipper fastener device 17 is relevant with the closure of casing, and second zipper segment 17 of two parts formula zipper fastener device 17 is relevant with the expansivity of casing.
Preferably, second zipper segment 17 is inserted between the part of cap and the zipper fastener device 4 relevant with the closure of casing of casing.
Routinely; Second zipper segment 17 comprises the first district portion and the second district portion; This first district portion is attached to casing and limit the oral area of cover 1 and attach to cover 1 along the circumferential edge with 20 that is formed flexible material in addition, this second district portion be attached to by material form with 20 circumferential edge away from Box Cover 1 part.
Referring to accompanying drawing shown in Figure 5, suitcase is made up of circumferential framework 104,105, circumferentially suitably is being fixed with the housing of being made by K-PP 101 on the contrary on the framework 104,105.In the illustrated embodiment, handle 109 and lock 106,1061 are secured to the bottom zone portion of framework 105.Yet, it should be noted that the invention is not restricted to the specific lock construction of the unidirectional breech lock type of the conduct shown in figure lock, the present invention also is not limited to the housing 101 that illustrates.
As seeing among Fig. 5, framework 104,105 is limited four sides and is connected to each other through suitable hinge (not shown).What each framework district portion can be bent the turning that needs with formation extrudes profile continuously, and perhaps the side can be to be cut into required length subsequently through casting the portion that extrudes that turning (not shown) connects.
The top side of framework district portion 104 is the sides of jug 109, center lock 108 and sidepiece lock 106,1061 of being fixed.Handle 109 is pivoted to be fixed in the ear 110, and ear 110 is fastened on the framework.
Rivet 111 passes the hole in housing 101 and the framework 104,105 and is expanded so that housing 101 is fastened on the framework 104,105 at opposite side.
Hook portion (not shown) is installed on the top framework 104 through rivet.Being installed in the lock of bottom on the framework 105 limits top cover 104 and 105 opens from the bottom when in closure state, engaging with these hook portions.
It should be understood that the purpose that has been merely elaboration and describe this embodiment, and those skilled in the art can implement various changes and modification under the situation of the spirit and scope of the present invention that do not come off.All modification and change or its equivalents that fall in the scope of the present invention of asking like claim are all within the scope of the invention involved.
A new generation's polymer synthetic:
A kind of outstanding new material, its combined 100% thermoplasticity and with the elastomeric high performance multifunctionality of polypropylene compatible.(after this being called K-PP)
K-PP have polypropylene and with the elastomeric superior mechanical performance of polypropylene compatible.High-tensile but flexible and outstanding impact resistance provide through PP and the elastomeric mixture manufacturing compatible with polypropylene thermoplastics has the chance of the parts of unprecedented performance.
The technology of K-PP back:
In the technology of uniqueness, PP and be heated to the elastomeric mixture of polypropylene compatible is melted in the injection molding units bucket.The material of the mixture of fusing according to product design and structure (for example-joint; Ethylene-vinyl acetate copolymers (EVA) etc. will be in the same place with elastomer-bonded polypropylene compatible according to the PP of the 60-90% of predetermined ratio and 40-10%, to provide the continuous single material type of molecule.In brief, material property is enhanced through the molecule performance of each polymer, and the parts that cause producing " do not break ".
How to make K-PP:
K-PP is through being mixed into 60: 40 to 90: 10 optimum performance proportion according to product design and structure with polyacrylic polymer with the elastomer of polypropylene compatible and mixing the color pigments of expecting simultaneously and make.
The material advantage:
Suturing ability-K-PP is low-density and softness, thereby allows to construct through the sew application that utilizes holding screw the possibility of the luggage case of the zipper domain portion that has the zipper fastener device.
Weight savings-K-PP is low-density, is combined with the favorable mechanical performance, allows weight savings significantly to surpass the possibility of the PP parts that are equal to.The design studies suggestion can obtain 15% weight savings through the design details of conscientiously paying close attention to component thickness for identical impact.
Do not comprise glass-K-PP is gentle on mould and cutting element, and it is easy to handle in the workshop and causes not having the stimulation relevant with material to comprise glass fibre.Accomplish the surface and be smooth and flexible and product can use under the situation of additional coatings not having.
But injection mo(u)ldingBut-K-PP injection mo(u)lding characteristic makes parts can be manufactured with all design features of injection molding part.It overcomes the design constraint of thermoformed components.
Inertia-K-PP is a polypropylene miser, is extensively thought avirulence and high erosion-resisting material.
High impactThe material property that-K-PP is unique causes having outstanding high impact properties.All significant more points are that it becomes cold more, and then it becomes tough and tensile more, when other materials becomes maximum protection are provided when being easy to break.
KPP technical data product: polypropylene/polypropylene mixture
More than explanation is a specific embodiment of the present invention.It should be understood that the purpose that has been merely elaboration and describe this embodiment, and those skilled in the art can implement various changes and modification under the situation that does not break away from the spirit and scope of the present invention.All modification and change or its equivalents that fall in the scope of the present invention of asking like claim are all within the scope of the invention involved.
Claims (10)
1. upright luggage case with slide fastener comprises:
The semihard casing has top shell (1) and bottom shell (2) by the made of producing through polypropylene with the elastomer of polypropylene compatible;
At least one fastener; Be used to make said substrate (2) and cover (1) can be maintained at the luggage case closure state, wherein the band zipper domain portion of zipper fastener device (4) (17) through utilizing fixed screw (14) sew application and the storage volumes of closed suitcase can be increased;
The a plurality of wheel (7), be provided on the said bottom shell or each of top shell and bottom shell on, be used to be easy to move said casing;
At least one casing carrying handle (10) and at least one regracting drag body (11) are provided on the side opposite with said wheel the/roller of said base part;
Many group ground engagement supporting members (8); Wherein on each of two lateral surfaces of said suitcase, respectively provide one group; Thereby one this group be provided at that said base section (2) is gone up and at least another group be positioned on the said cover (1), be beneficial to the said casing of stable support when not pulling;
At least one carrying handle (12) is provided on said base section and the side side thereof opposite that has said supporting member (8).
2. upright luggage case with slide fastener comprises:
The semihard casing has top shell (1) and bottom shell (2) by the made of producing through polypropylene with the elastomer of polypropylene compatible;
The a plurality of wheel (7), be provided on the said bottom shell or each of top shell and bottom shell on, be used to be easy to move said casing;
At least one casing carrying handle (10) and at least one regracting drag body (11) are provided on the side opposite with said wheel the/roller of said base part;
Many group ground engagement supporting members (8); Wherein on each of two lateral surfaces of said suitcase, respectively provide one group; Thereby one this group be provided at that said base section (2) is gone up and at least another group be positioned on the said cover (1), be beneficial to the said casing of stable support when not pulling;
At least one carrying handle (12) is provided on said base section and the side side thereof opposite that has said supporting member (8);
At least one two parts formula zipper fastener device; First zipper segment (4) of this at least one two parts formula zipper fastener device is relevant with the closure of said casing; And the expansivity of second zipper segment (17) of zipper fastener device and said casing is relevant and place between the part of said lid district portion and the said zipper fastener device (4) relevant with the closure of said casing of said casing during these at least one two parts; Wherein said second zipper segment (17) comprises the first district portion and the second district portion; This first district portion is attached to said casing and in addition limits the oral area of said cover and be attached on the said cover along the circumferential edge of the band that is formed flexible material (20), and this second district portion is attached to the band (20) that formed by material away from the said Box Cover circumferential edge partly.
3. luggage case that has circumferential framework comprises:
The semihard casing has top shell (1) and bottom shell (2) by the made of producing through polypropylene with the elastomer of polypropylene compatible;
At least one circumferential framework (104) (105) is configured to fixing opposite housing (101) by said made;
At least one handle (109) and locking mechanism (106) (1061) are fixed in the bottom zone portion of said framework (105).
4. material; Comprise polypropylene and with the elastomer of polypropylene compatible; Through according to waiting product design, the structure made; Performance ratio according in 60: 40 to 90: 10 the scopes mixes respectively said polypropylene and said elastomer, and the color pigments of wanting that is mixed for making luggage case is produced.
5. luggage case according to claim 3; Wherein said handle (109), center lock (108) and sidepiece lock (106) (1061) are fastened in the said framework district portion (105); Wherein said handle (109) is installed in the ear (110) pivotally, and hook portion is installed on the said top framework (104).
6. according to the described luggage case of aforementioned claim; Wherein said material low-density; Be combined with the favorable mechanical performance; Allow the possibility of the remarkable weight savings of luggage case, and except keeping elasticity and surface stability, also keep top half one (1) of said luggage case and the high impact of base portion halves (2).
7. according to the upright luggage case of claim 1 and 2 described band slide fasteners, wherein said zipper fastener device (17) is arranged to the storage volumes that increases said luggage case.
8. according to the upright luggage case of claim 1 and 2 described band slide fasteners, wherein said luggage case is manufactured with all design features of injection molding part.
9. according to the upright luggage case of claim 1 and 2 described band slide fasteners; Wherein the said elastomer molecules with polypropylene compatible strengthens the fluid ability of said material in injection mo(u)lding; Be beneficial to make easily and top half shell (1) of luggage case and the higher productivity ratio of bottom half shell (2), and " soft touching " sense be provided for said luggage case.
10. according to the upright luggage case of claim 1 and 2 described band slide fasteners; Wherein said K-PP is low-density and is soft, thereby is beneficial to the luggage case of constructing the band zipper domain portion that has zipper fastener device (4) through the sew application that utilizes fixed screw (14).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IN2536/MUM/2010 | 2010-09-14 | ||
| IN2536MU2010 | 2010-09-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102396862A true CN102396862A (en) | 2012-04-04 |
| CN102396862B CN102396862B (en) | 2015-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110272610.3A Active CN102396862B (en) | 2010-09-14 | 2011-09-14 | Manufacture material and the process of luggage case |
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| Country | Link |
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| EP (1) | EP2428131A1 (en) |
| CN (1) | CN102396862B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103393266A (en) * | 2013-08-05 | 2013-11-20 | 温州市瓯海丽岙跃进橡塑复合厂 | Suitcase and processing method thereof |
| CN106496787A (en) * | 2016-11-02 | 2017-03-15 | 无锡艾科瑞思产品设计与研究有限公司 | A kind of preparation technology of PP composite material draw-bar box |
| CN108882785A (en) * | 2015-12-24 | 2018-11-23 | 路易威登马利蒂公司 | Luggage case equipped with zipper locking device |
| CN109330134A (en) * | 2018-11-17 | 2019-02-15 | 南京景熙箱包有限公司 | A kind of luggage with water-proof function |
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| DE102013109121A1 (en) * | 2013-08-22 | 2015-02-26 | Wei-Hung Lai | Hard case with variable capacity |
| CN104138119A (en) * | 2014-07-22 | 2014-11-12 | 张家港三久箱包有限公司 | Multifunctional luggage case |
| US9826808B2 (en) | 2015-06-19 | 2017-11-28 | Briggs And Riley Travelware, Llc | Hard sided wheeled case with compression-expansion |
| CN113615946A (en) * | 2015-10-21 | 2021-11-09 | 帕瓦贸易有限公司 | Case or cover for hobby equipment |
| GB201602472D0 (en) * | 2016-02-11 | 2016-03-30 | Keter Holdings Ltd | Injection molded cases and method of their manufacture |
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| FR1329414A (en) * | 1962-07-23 | 1963-06-07 | Hoechst Ag | Suitcases made of polypropylene and ethylene copolymer blends |
| DE9201216U1 (en) * | 1992-02-01 | 1992-03-26 | Grebenstein Gmbh, 3257 Springe, De |
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- 2011-09-14 CN CN201110272610.3A patent/CN102396862B/en active Active
- 2011-09-14 EP EP20110181305 patent/EP2428131A1/en not_active Ceased
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1140143A (en) * | 1995-03-28 | 1997-01-15 | 丰田合成株式会社 | Pad for air bag device |
| CN1390882A (en) * | 2002-06-21 | 2003-01-15 | 中山大学 | Strengthened and toughened polypropylene composite and its preparing process |
| CN1700869A (en) * | 2003-06-27 | 2005-11-23 | 兰道及哈瓦国际有限公司 | Suitcase |
| CN101175811A (en) * | 2005-05-12 | 2008-05-07 | 陶氏环球技术公司 | Thermoformed, extruded sheeting with reduced gloss |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103393266A (en) * | 2013-08-05 | 2013-11-20 | 温州市瓯海丽岙跃进橡塑复合厂 | Suitcase and processing method thereof |
| CN103393266B (en) * | 2013-08-05 | 2015-08-12 | 温州市瓯海丽岙跃进橡塑复合厂 | A kind of suitcase and processing method thereof |
| CN108882785A (en) * | 2015-12-24 | 2018-11-23 | 路易威登马利蒂公司 | Luggage case equipped with zipper locking device |
| CN108882785B (en) * | 2015-12-24 | 2020-08-25 | 路易威登马利蒂公司 | Luggage case with zipper locking device |
| CN106496787A (en) * | 2016-11-02 | 2017-03-15 | 无锡艾科瑞思产品设计与研究有限公司 | A kind of preparation technology of PP composite material draw-bar box |
| CN109330134A (en) * | 2018-11-17 | 2019-02-15 | 南京景熙箱包有限公司 | A kind of luggage with water-proof function |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2428131A1 (en) | 2012-03-14 |
| CN102396862B (en) | 2015-08-26 |
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