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CN112674447A - 箱体之结构 - Google Patents

箱体之结构 Download PDF

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Publication number
CN112674447A
CN112674447A CN201910985807.8A CN201910985807A CN112674447A CN 112674447 A CN112674447 A CN 112674447A CN 201910985807 A CN201910985807 A CN 201910985807A CN 112674447 A CN112674447 A CN 112674447A
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wall
bottom wall
top wall
shell
box body
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林明阳
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San Shiang Tech Co Ltd
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San Shiang Tech Co Ltd
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Priority to CN201910985807.8A priority Critical patent/CN112674447A/zh
Priority to PCT/CN2020/000131 priority patent/WO2021072986A1/zh
Priority to JP2021522990A priority patent/JP2022505905A/ja
Priority to US17/288,671 priority patent/US20210394428A1/en
Priority to EP20877803.5A priority patent/EP3906806A4/en
Publication of CN112674447A publication Critical patent/CN112674447A/zh
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C51/00Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/14Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor using multilayered preforms or sheets
    • B29C51/145Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor using multilayered preforms or sheets having at least one layer of textile or fibrous material combined with at least one plastics layer
    • AHUMAN NECESSITIES
    • A45HAND OR TRAVELLING ARTICLES
    • A45CPURSES; LUGGAGE; HAND CARRIED BAGS
    • A45C5/00Rigid or semi-rigid luggage
    • A45C5/02Materials therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C67/00Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B29C67/0029Cold deforming of thermoplastics material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28Shaping operations therefor
    • B29C70/30Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
    • B29C70/34Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation
    • B29C70/345Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation using matched moulds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28Shaping operations therefor
    • B29C70/40Shaping or impregnating by compression not applied
    • B29C70/42Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles
    • B29C70/46Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using matched moulds, e.g. for deforming sheet moulding compounds [SMC] or prepregs
    • B29C70/465Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using matched moulds, e.g. for deforming sheet moulding compounds [SMC] or prepregs and impregnating by melting a solid material, e.g. sheets, powders of fibres
    • AHUMAN NECESSITIES
    • A45HAND OR TRAVELLING ARTICLES
    • A45CPURSES; LUGGAGE; HAND CARRIED BAGS
    • A45C5/00Rigid or semi-rigid luggage
    • A45C5/03Suitcases
    • A45C2005/037Suitcases with a hard shell, i.e. rigid shell as volume creating element
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2067/00Use of polyesters or derivatives thereof, as moulding material
    • B29K2067/003PET, i.e. poylethylene terephthalate
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/06Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
    • B29K2105/08Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts of continuous length, e.g. cords, rovings, mats, fabrics, strands or yarns
    • B29K2105/0854Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts of continuous length, e.g. cords, rovings, mats, fabrics, strands or yarns in the form of a non-woven mat
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2223/00Use of polyalkenes or derivatives thereof as reinforcement
    • B29K2223/04Polymers of ethylene
    • B29K2223/06PE, i.e. polyethylene
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00Other particular articles
    • B29L2031/7418Suitcases

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Composite Materials (AREA)
  • Materials Engineering (AREA)
  • Textile Engineering (AREA)
  • Purses, Travelling Bags, Baskets, Or Suitcases (AREA)

Abstract

一种箱体之结构,选择以PET纤维或选择以PET纤维加PP纤维为原料制备为不织布层块,再经过烘烤及冷模压制成型的箱体,该箱体由一左壳体及一右壳体并接组成,该左壳体及该右壳体是分开制造成型,再并接成为内部具一容置空间的箱体,该左壳体区分成左顶壁、左侧壁及左底壁,该左顶壁、左侧壁及左底壁是连续延伸成型;该右壳体区分成右顶壁、右侧壁及右底壁,该右顶壁、右侧壁及右底壁是连续延伸成型;该左顶壁、右顶壁及左底壁、右底壁成型后的单位面积重量为1200~2000g/m2;该左侧壁、右侧壁的单位面积重量为600~1200g/m2

Description

箱体之结构
【技术领域】
本发明是关于一种箱体之结构,是以纤维原料制备不织布层块,再经过烘烤及冷模压制成型的箱体,主要在于该箱体的顶壁及底壁的单位面积重量及密度比侧壁大。
【背景技术】
本案所称的“箱体”是指外部成型为具适当硬度的外壳体,使得内部形成为一可供盛载物品用的立体容置空间,如此构成所称的“箱体”,在现实生活环境中,硬壳行李箱、脚踏车携车厢都是“箱体”的一种。
习知箱体一般至少由一组(二个)外壳体、一接合拉链、一提把及一组(四个)滚轮所组成,该组外壳体一般是外观对称的二个凹形外壳体,组装时将该二个外壳体的内部容置空间部位对应相向,然后一侧(后侧)边缘条的一部份做相互枢接接合,使该二个外壳体初步达成可以张开及盖合的作用;该接合拉链则接设于其余的边缘条间,以当该二个外壳体盖合时,经由操作该接合拉链拉上可以使该箱体达成密闭的作用;该提把组装于其中一外壳体的顶面上,以方便提拉该整体箱体;该组(四个)滚轮则均分组装于该二个外壳体的底面,以方便拉动或推动该整体箱体移动。习知箱体若是组装为行李箱使用,一般还会在其中一外壳体的内部更加装设一可活动拉伸的拉杆,以方便使用者在步行移动时,可拉动该拉杆并配合该组滚轮的滚动,达成方便拉动该整体箱体步行移动的作用。就习知箱体之结构而言,该外壳体无疑是最重要的组件,该外壳体必须具备适当硬度以区隔出一内部容置空间,同时该外壳体必须具备强固性以耐摔耐冲击。
习知箱体结构中的外壳体所采用的材料有PP材质(Polypropylene/聚丙烯)、ABS材质(Acrylonitrile Butadiene Styrene plastic/丙烯腈-丁二烯-苯乙烯)、ABS+PC材质(Acrylonitrile Butadiene Styrene plastic+Polycarbonate/丙烯腈-丁二烯-苯乙烯+聚碳酸酯)、100%PC材质(Polycarbonate/聚碳酸酯)或铝镁合金材质(Aluminiummagnesium alloy)中的一种或多种,其中,PP、ABS、ABS+PC、PC都是塑料材质的树脂材料,铝镁合金则为金属材质材料。习知箱体结构中的外壳体以铝镁合金材质制造者比例仍小,绝大多数仍以PP、ABS、ABS+PC或PC等多种树脂材料成型为大宗。因为PP、ABS、ABS+PC、PC都是塑料材质,因此制造上以实行塑料射出成型技术制造为多(部分是利用塑料真空成型技术),当实行塑料射出成型技术时必须先开发精密的塑料成型用模具,再以塑料射出成型机架上该模具,将所采用的塑料材质材料于该塑料射出成型机内加热为液态流体状,再施以高压推动液态流体塑料经由该模具的流道进入成型部位以成型出预期的外壳体。
以树脂材料制造箱体结构中的外壳体固为已被采用一段相当长时间的制造技术及物品,但近年来研究发现,以树脂材料所制成的塑料产品,有容易释出毒素对环境产生严重污染,毁坏后难以回收再利用,或回收分解难以处理,回收处理费用庞大等等工业污染问题,尤因各种塑料产品数量庞大,导致多年来已对全球环境保护产生严重伤害,因此采用树脂材料制成的各种塑料产品也为人所诟病。除此之外,为成型出该外壳体,必须开发耐高压高热的精密成型用模具,且必须经由大型的塑料射出成型机来成型(箱体外壳体的体积已属大型),凡此皆大幅垫高箱体的制造成本,使得箱体的售价居高不下;再者,采塑料射出成型技术制造出箱体的外壳体时,受到塑料流注能力及成型后冷却变化率所限制,该外壳体的厚度必须一致且无法过度加厚,导致塑料箱体顶、底壁部位的强度无法提高,遇有撞击或摔箱的情形时(尤其托运上下机时摔行李时有所闻),恐致破裂毁损,纵未破裂也会因受撞击而日渐降低强固性。当塑料箱体的底壁无法增加厚度(强度)时,箱体底部所装设的滚轮会有依附不稳的情形,遇有载重达极限时,即因底壁下塌致使滚轮产生外偏现象,使用日久后滚轮因长时间受力不均而易故障。当塑料箱体的顶壁无法增加厚度(强度)时,因为每次提拉提把时顶部都会受到一次拉力,故使用日久后该提把与顶壁接合处即因经常受拉力而破裂。凡此种种习知塑料箱体底部滚轮容易故障及顶部接合处容易破裂,全因习知塑料箱体的底壁及顶壁过薄(无法加厚)所致。
显然上述问题,有待改进。
【发明内容】
本发明的目的即在:1、提供一种可降低制造成本及可提升强固性的箱体之结构。2、提供一种利用环保回收材料制造,可对环境维护善尽心力的箱体之结构。
为达致以上目的,本发明一种箱体之结构,由一左壳体及一右壳体并接组成,该左壳体及该右壳体是分开制造成型,再并接成为内部具一容置空间的箱体,该左壳体区分成左顶壁、左侧壁及左底壁,该左顶壁、左侧壁及左底壁是连续延伸成型;该右壳体区分成右顶壁、右侧壁及右底壁,该右顶壁、右侧壁及右底壁是连续延伸成型;制造上选择以PET纤维(聚对苯二甲酸乙二酯)或选择以PET纤维加PP纤维(聚丙烯)为原料,将所选择为原料的纤维搅拌堆积再制备为不织布层块;该然经过烘烤及冷模压制成型为该左壳体及右壳体;特征在于:该左顶壁、右顶壁及左底壁、右底壁成型后的单位面积重量为1200~2000g/m2;该左侧壁、右侧壁的单位面积重量为600~1200g/m2
上述的箱体之结构中,该左顶壁、右顶壁及左底壁、右底壁成型后的密度较该左侧壁、右侧壁为大。
上述的箱体之结构中,该不织布层块的外侧表面上可选择性贴覆一表层薄膜(film)。
上述的箱体之结构中,该表层薄膜可为聚乙烯膜,厚度在0.009mm~0.1mm之间。
本发明优点及有益效果在于:
1.本发明箱体之结构因以纤维为原料,经过不织布制造技术及冷模压制技术成型,所以成型的箱体的密度及厚度可以调整,不像习知以树脂材料采塑料射出成型技术制造的箱体,其厚度及密度受到限制而为一致。
2.本发明箱体之结构因可选择性就特定部位加厚(例如t1≧t2,所以强固性可以调整增加,以大幅降低受撞击破裂毁损的可能性。
3.本发明箱体之结构可针对特定部位增加其单位面积重量,亦可针对特定部位增加其厚度,使得该特定部位更为强固,以更具耐冲击特性。
4.本发明箱体之结构因以纤维为原料,经过不织布制造技术及冷模压制技术成型,所以完全成型后,壁体内实际上就是由纤维相互交杂牵绊,并经融合、热烘及压轧而成型,故壁体能相对紧实具耐冲击特性。
5.本发明箱体之结构经过不织布制造技术及冷模压制技术成型后,壁体已呈紧实密水状态,制造过程中若选择性贴覆上该表层薄膜(film),则更具防水及绷紧壁体的作用效果。
【附图说明】
图1所示是本发明第一实施例的立体图。
图2所示是本发明第一实施例的纵向剖视图。
图3所示是本发明第二实施例的立体图。
图4所示是本发明第二实施例的纵向剖视图。
图5所示是本发明实施例的制程方块图。
图中标号说明如下:
行李箱1 左壳体10 左顶壁11 左侧壁12
左底壁13 右壳体20 右顶壁21 右侧壁22
右底壁23
【具体实施方式】
本发明诉求一种箱体之结构,以行李箱为实施例来说明本发明所诉求的箱体之结构。请参阅图1、2所示,第一实施例为一种显示为行李箱1的箱体,该行李箱1主要由一左壳体10及一右壳体20并接组成,该左壳体10及该右壳体20是分开制造成型,再加以并接成为内部具一容置空间的箱体,该左壳体10可区分成左顶壁11、左侧壁12及左底壁13的不同部位,该左顶壁11、左侧壁12及左底壁13是连续延伸成型状态;同样结构,该右壳体20是连续延伸成型状态,但仍可区分为右顶壁21、右侧壁22及右底壁23的不同部位;该左壳体10及该右壳体20皆采不织布制造技术予以制造成型。
接着,请参阅图3、4所示,第二实施例同样为一种显示为行李箱1的箱体,所不同在于图3、4所示的行李箱1装设有一拉杆,第二实施例的行李箱1同样由一左壳体10及一右壳体20并接组成,该左壳体10及该右壳体20是分开制造成型,再加以并接成为内部具一容置空间的箱体,该左壳体10可区分成左顶壁11、左侧壁12及左底壁13的不同部位,该左顶壁11、左侧壁12及左底壁13是连续延伸成型状态;同样结构,该右壳体20是连续延伸成型状态,但仍可区分为右顶壁21、右侧壁22及右底壁23的不同部位;该左壳体10及该右壳体20皆采不织布制造技术予以制造成型。
如图5所示,为求轻量化及增进强固姓,本发明选择以PET纤维(聚对苯二甲酸乙二酯/polyethyleneterephthalate)为原料,或选择以PET纤维加PP纤维(聚丙烯/Polypropylene)为原料,将所选择为原料的纤维经过充分搅拌堆积,再经不织布制造技术予以制备为不织布层块,过程中将预备成型为左、右顶壁11、21及左、右底壁13、23的部位增加不织布层块的厚度;接着可选择性于该不织布层块的外侧表面上贴覆一表层薄膜(film),该表层薄膜可为聚乙烯膜,厚度在0.009mm~0.1mm之间,所称为“---选择性---贴覆一表层薄膜---”,意指可选择贴覆,也可以选择不贴覆;若贴覆上该表层薄膜,此时仍称为不织布层块;然后将该不织布层块(不论有无贴覆该表层薄膜)送经一烘烤箱进行充分烘烤,使该不织布层块软化,烘烤方式若采平面压着式烘烤尤佳;然后将充分烘烤后的不织布层块送进一成型模具内,经过冷模压制成型为预期造型的左壳体10及右壳体20;最后即可将该所成型出的左壳体10与右壳体20组装成为该行李箱1的箱体。
因为将选择为原料的纤维搅拌堆积时,是为蓬松状态,所以此时单位平面的重量相对最轻,总高度(厚度)相对较高且密度相对最小,然后经过不织布制造技术制备为不织布层块时,因为纤维间已呈相对密合状态,所以此时单位平面重量相对增加,同时厚度(高度)相对降低且密度相对提升,而且预备成型为左、右顶壁11、21及左、右底壁13、23的部位因为先前已增加纤维厚度,故此时能具有更高的单位平面重量;最后经过烘烤及冷模压制成型后,因为纤维间已呈融合状态,所以此时单位平面的重量相对更为增加,同时厚度(高度)相对更为降低及密度相对更为提升,且已经成型为左、右顶壁11、21及左、右底壁13、23的部位纵使被挤压为相同厚度,但能具有更高的密度,换言之,成型为左、右顶壁11、21及左、右底壁13、23的部位已具有更高的强固性。
本发明为求提升行李箱1的强固性,因此在将该烘烤后的不织布层块送进该成型模具内进行冷模压制成型的制程中,必须调整该成型模具的成型压力及成型时间,使得成型出的左壳体10及右壳体20可以视需要调整出不同厚度及密度。例如:因为该行李箱1在使用上较容易掉落受冲击的是位于角落的左、右顶壁11、21及左、右底壁13、23诸部位,因此设计上就可以选择使该左、右顶壁11、21及左、右底壁13、23的部位成型为密度相对较大,例如:令其成型后的单位面积重量为1200~2000g/m2、厚度t1,换算其密度即为1200~2000g/m3,然后左、右侧壁12、22的部位成型为密度相对较小,例如:令其成型后的单位面积重量为600~1200g/m2、厚度t2,换算其密度为600~1200g/m3,如此区别后,很明显该左、右顶壁11、21及左、右底壁13、23的部位是有相对较佳的强固姓,可更为耐冲击。当然在该左、右顶壁11、21及该左、右底壁13、23的密度较该左、右侧壁12、22为高的情形下,也可选择性提高该左、右顶壁11、21及该左、右底壁13、23的厚度(即令t1≧t2),使其强固姓更加,但此为设计上的选择,并非绝对必要。
经由以上说明可知,以纤维为原料,制备成不织布层块,再将不织布层块经过充分烘烤及冷模压制技术,制成为密度在600~2000Kg/m3之间的左、右壳成品,特别是顶、底壁部位的密度较侧壁部位为高,再组装成为行李箱的箱体使用,因其具备良好承载力及强固性,故使用寿命能比习知相同物品更长;而且纵使使用日久因毁坏而丢弃,也可回收再制产生纤维原料,以再被利用重新制造出新成品。

Claims (4)

1.一种箱体之结构,由一左壳体及一右壳体并接组成,该左壳体及该右壳体是分开制造成型,再并接成为内部具一容置空间的箱体,该左壳体区分成左顶壁、左侧壁及左底壁,该左顶壁、左侧壁及左底壁是连续延伸成型;该右壳体区分成右顶壁、右侧壁及右底壁,该右顶壁、右侧壁及右底壁是连续延伸成型;制造上选择以PET纤维或选择以PET纤维加PP纤维为原料,将所选择为原料的纤维搅拌堆积再制备为不织布层块;该然经过烘烤及冷模压制成型为该左壳体及右壳体;其特征在于:该左顶壁、右顶壁及左底壁、右底壁成型后的单位面积重量为1200~2000g/m2;该左侧壁、右侧壁的单位面积重量为600~1200g/m2
2.根据权利要求1所述的箱体之结构,其特征在于:该左顶壁、右顶壁及左底壁、右底壁成型后的密度比该左侧壁、右侧壁大。
3.根据权利要求1所述的箱体之结构,其特征在于:该不织布层块的外侧表面上可选择性贴覆一表层薄膜。
4.根据权利要求3所述的箱体之结构,其特征在于:该表层薄膜为聚乙烯膜,厚度在0.009mm~0.1mm之间。
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