US20160153126A1 - Opening apparatus of fiber bundle - Google Patents

Opening apparatus of fiber bundle Download PDF

Info

Publication number
US20160153126A1
US20160153126A1 US14/708,318 US201514708318A US2016153126A1 US 20160153126 A1 US20160153126 A1 US 20160153126A1 US 201514708318 A US201514708318 A US 201514708318A US 2016153126 A1 US2016153126 A1 US 2016153126A1
Authority
US
United States
Prior art keywords
horizontal vibration
fiber bundle
horizontal
roll
opening apparatus
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.)
Abandoned
Application number
US14/708,318
Other languages
English (en)
Inventor
Hyun Min Kang
Deok Woo Yun
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.)
Hyundai Motor Co
Original Assignee
Hyundai Motor Co
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 Hyundai Motor Co filed Critical Hyundai Motor Co
Assigned to HYUNDAI MOTOR COMPANY reassignment HYUNDAI MOTOR COMPANY ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: KANG, HYUN MIN, YUN, DEOK WOO
Publication of US20160153126A1 publication Critical patent/US20160153126A1/en
Abandoned legal-status Critical Current

Links

Images

Classifications

    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02J—FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS, ROPES OR THE LIKE
    • D02J1/00—Modifying the structure or properties resulting from a particular structure; Modifying, retaining, or restoring the physical form or cross-sectional shape, e.g. by use of dies or squeeze rollers
    • D02J1/18—Separating or spreading

Definitions

  • the present invention relates to an opening apparatus of a fiber bundle, more particularly, to an opening apparatus of a fiber bundle capable of maximizing efficiency of fiber opening by disposing various vibration rolls according to a type of fiber.
  • the composite material may include a Fiber Reinforced Plastic (FRP) and Carbon Fiber Reinforced Plastic (CFRP).
  • FRP Fiber Reinforced Plastic
  • CFRP Carbon Fiber Reinforced Plastic
  • the above composite material is an advanced composite which is a light-weight structural material with high strength and high elasticity using a fiber (carbon or glass fiber) as a reinforcement material, and exhibits excellent material characteristics.
  • the present invention provides an opening apparatus of a fiber bundle having advantages of improved fiber opening efficiency according to a material of a fiber.
  • An exemplary embodiment of the present invention provides an opening apparatus of a fiber bundle, including a horizontal vibration device including a plurality of horizontal vibration rolls to apply horizontal direction vibration to the fiber bundle according to a type of the fiber bundle, where the plurality of horizontal vibration rolls have different shapes.
  • One of the plurality of horizontal vibration rolls may include a first horizontal vibration roll having a cylindrical shape where a diameter becomes gradually reduced in a direction of an exterior circumference from a center thereof.
  • Another of the plurality of horizontal vibration rolls may include a second horizontal vibration roll having a cylindrical shape where a diameter becomes gradually reduced in a direction of an exterior circumference from a center thereof.
  • Another of the plurality of horizontal vibration rolls may include a third horizontal vibration roll having a cylindrical shape having a same diameter.
  • Another of the plurality of horizontal vibration rolls may include a fourth horizontal vibration roll having a cylindrical shape having a same diameter and including protrusions and depressions formed at an exterior circumference of the fourth horizontal vibration roll.
  • the horizontal direction vibration may be applied to the fiber bundle in an order of the first horizontal vibration roll, the second horizontal vibration roll, and the third horizontal vibration roll.
  • a curvature radius of an exterior circumference of the second horizontal vibration roll may be greater than a curvature radius of an exterior circumference of the first horizontal vibration roll.
  • the horizontal direction vibration may be applied to the fiber bundle in an order of the third horizontal vibration roll, the first horizontal vibration roll, and the fourth horizontal vibration roll.
  • the opening apparatus of a fiber bundle may further include a width controller provided at a lower stream region of the horizontal vibration device to control a width of the fiber bundle.
  • the width controller may include a bottom plate, guide walls provided at both sides of the bottom plate to guide the fiber bundle, respectively, and guide plates coupled with the guide walls by a hinge, respectively.
  • the width controller may further include a ruler to display an open amount of the guide plate.
  • the opening apparatus of a fiber bundle may further include a horizontal vibration device provided at an upper stream region of the horizontal vibration device to apply the horizontal direction vibration to the fiber bundle.
  • the opening apparatus of a fiber bundle may further include an air supply device provided at the upper stream region of the horizontal vibration device to blow compressed air into the fiber bundle.
  • the air supply device may include an air blower to generate compressed air, and an air control valve to control an air amount of the air blower.
  • the opening efficiency of the fiber bundle may be increased by applying horizontal vibrations to the fiber bundle through a plurality of horizontal vibration rolls according to a type of the fiber bundle.
  • the prepreg manufacturing quality may be improved by controlling a width of an open fiber bundle through a width controller.
  • FIG. 1 is a schematic view illustrating an opening apparatus of a fiber bundle according to an exemplary embodiment of the present invention.
  • FIG. 2 is a schematic view illustrating an opening apparatus of a fiber bundle according to another exemplary embodiment of the present invention.
  • FIG. 3A and FIG. 3B are views illustrating an air supply device according to an exemplary embodiment of the present invention.
  • FIG. 4A and FIG. 4B are views illustrating a vertical vibration device according to an exemplary embodiment of the present invention.
  • FIG. 5A and FIG. 5B are views illustrating a first horizontal vibration roll according to an exemplary embodiment of the present invention.
  • FIG. 6A and FIG. 6B are views illustrating a second horizontal vibration roll according to an exemplary embodiment of the present invention.
  • FIG. 7A and FIG. 7B are views illustrating a third horizontal vibration roll according to an exemplary embodiment of the present invention.
  • FIG. 8A and FIG. 8B are views illustrating a fourth horizontal vibration roll according to an exemplary embodiment of the present invention.
  • FIG. 9A and FIG. 9B are plan views illustrating a width controller according to an exemplary embodiment of the present invention.
  • vehicle or “vehicular” or other similar term as used herein is inclusive of motor vehicles in general such as passenger automobiles including sports utility vehicles (SUV), buses, trucks, various commercial vehicles, watercraft including a variety of boats and ships, aircraft, and the like, and includes hybrid vehicles, electric vehicles, plug-in hybrid electric vehicles, hydrogen-powered vehicles and other alternative fuel vehicles (e.g. fuels derived from resources other than petroleum).
  • a hybrid vehicle is a vehicle that has two or more sources of power, for example both gasoline-powered and electric-powered vehicles.
  • control logic of the present invention may be embodied as non-transitory computer readable media on a computer readable medium containing executable program instructions executed by a processor, controller or the like.
  • Examples of computer readable media include, but are not limited to, ROM, RAM, compact disc (CD)-ROMs, magnetic tapes, floppy disks, flash drives, smart cards and optical data storage devices.
  • the computer readable medium can also be distributed in network coupled computer systems so that the computer readable media is stored and executed in a distributed fashion, e.g., by a telematics server or a Controller Area Network (CAN).
  • a telematics server or a Controller Area Network (CAN).
  • CAN Controller Area Network
  • the opening apparatus of a fiber bundle includes an air supply device 100 , a vertical vibration device 200 , a horizontal vibration device 300 , and a width controller 400 .
  • the air supply device 100 , the vertical vibration device 200 , the horizontal vibration device 300 , and the width controller 400 may be disposed in that order.
  • a fiber material used for the fiber bundle may include a carbon fiber bundle or a glass fiber bundle.
  • the fiber bundle may be supplied through a pair of transfer rolls (not shown) which are vertically disposed.
  • the fiber bundle supplied through the transfer rolls passes through the air supply device 100 .
  • FIG. 3A is a side view illustrating an air supply device according to an exemplary embodiment of the present invention
  • FIG. 3B is a front view illustrating the air supply device according to the exemplary embodiment of the present invention.
  • the air supply device 100 includes an air blower 110 to blow compressed air to the fiber bundle, and an air control valve 120 to control an amount of air exhausted from the air blower 110 .
  • a height of the air blower 110 may be controlled.
  • a user may control a desired intensity and amount of compressed air to be applied to the fiber bundle by controlling the height of the air blower 110 and controlling the amount of air exhausted from the air blower 110 with the air control valve 120 .
  • the compressed air exhausted from the air supply device 100 preferably collides with the fiber bundle, so that the fiber bundle is bent and forcibly widened in a width direction.
  • the fiber bundle is preliminarily opened due to the force in the width direction.
  • FIG. 4A is a side view illustrating a vertical vibration device according to an exemplary embodiment of the present invention
  • FIG. 4B is a front view illustrating the vertical vibration device according to the exemplary embodiment of the present invention.
  • the vertical vibration device 200 include a vertical vibration roll 210 to transfer the fiber bundle, and a vertical motor 220 to provide driving torque to the vertical vibration roll 210 .
  • the vertical vibration roll 210 is moved in up and down directions at a predetermined time period by the vertical motor 220 , and collides with the fiber bundle passing through an upper side of the vertical vibration roll 210 at a predetermined time period.
  • the fiber bundle collides with the vertical vibration roll 210 , a tension of the fiber bundle is increased, and a bent amount of the fiber bundle is increased. Further, if the fiber bundle does not collide with the vertical vibration roll 210 , the tension of the fiber bundle is reduced so that the bent amount of the fiber bundle is reduced.
  • the fiber bundle passing through the vertical vibration device 200 is supplied to the horizontal vibration device 300 .
  • the horizontal vibration device 300 includes a plurality of horizontal vibration rolls having different shapes. In this case, the plurality of horizontal vibration rolls may be disposed differently according to a type of fiber bundle.
  • FIG. 5A is a plan view illustrating a first horizontal vibration roll according to an exemplary embodiment of the present invention
  • FIG. 5B is cross-sectional view illustrating the first horizontal vibration roll according to the exemplary embodiment of the present invention.
  • one of the plurality of horizontal vibration rolls may be a first horizontal vibration roll 310 having a cylindrical shape with a diameter that becomes gradually reduced in the direction of an exterior circumference from a center.
  • the first horizontal vibration roll 310 may have a cylindrical shape with a convexly protruding center.
  • an exterior circumference 312 of the first horizontal vibration roll 310 has an elliptical shape based on a cross-sectional view.
  • a center of the first horizontal vibration roll 310 has a hole, and a first shaft (not shown) may be inserted into the center hole of the first horizontal vibration roll 310 .
  • the first shaft receives power from a separate driving source (not shown) and is moved in a horizontal direction (i.e., width direction) in a predetermined time period. Accordingly, the first horizontal vibration roll 310 is moved in the horizontal direction so that vibration is applied to the fiber bundle in the horizontal direction.
  • a pair of first guide rolls 320 may be provided at a lower portion of the first horizontal vibration roll 310 .
  • the fiber bundle passes between the first horizontal vibration roll 310 and the pair of first guide rolls 320 so that a predetermined amount of tension is applied to the fiber bundle.
  • the force is applied to the fiber bundle by horizontal direction vibration of the first horizontal vibration roll 310 so that the fiber bundle is opened.
  • the first horizontal vibration roll 310 include a center having a convexly cylindrical shape, a center portion of the fiber bundle is bent as compared with front right and left ends of the fiber bundle. Accordingly, a focused fiber bundle is opened.
  • FIG. 6A is a plan view illustrating a second horizontal vibration roll according to an exemplary embodiment of the present invention
  • FIG. 6B is cross-sectional view illustrating the second horizontal vibration roll according to the exemplary embodiment of the present invention.
  • another of the plurality of horizontal vibration rolls may be a second horizontal vibration roll 330 having a cylindrical shape where a diameter becomes gradually reduced in the direction of an exterior circumference from a center, and block walls 334 are formed at both front ends of the second horizontal vibration roll 330 .
  • the second horizontal vibration roll 330 may include a center having a convexly protruding cylindrical shape.
  • an exterior circumference 332 of the second horizontal vibration roll 330 has an elliptical shape based on a cross-sectional view.
  • a curvature radius R 2 of an exterior circumference 332 of the second horizontal vibration roll 330 is greater than a curvature radius R 1 of an exterior circumference 332 of the first horizontal vibration roll 330 .
  • the exterior circumference 332 of the second horizontal vibration roll 330 is formed smoother than the exterior circumference 332 of the first horizontal vibration roll 330 .
  • a center of the second horizontal vibration roll 330 has a hole, and a second shaft (not shown) may be inserted into the center hole of the second horizontal vibration roll 330 .
  • the second shaft receives power from a separate driving source (not shown) and is moved in a horizontal direction (i.e., width direction) in a predetermined time period. Accordingly, the second horizontal vibration roll 330 is moved in the horizontal direction so that vibration is applied to the fiber bundle in the horizontal direction.
  • a pair of second guide rolls 340 may be provided at a lower portion of the first horizontal vibration roll 330 .
  • the fiber bundle passes between the second horizontal vibration roll 330 and the pair of second guide rolls 340 so that a predetermined amount of tension is applied to the fiber bundle.
  • the force is applied to the fiber bundle by horizontal direction vibration of the second horizontal vibration roll 330 so that the fiber bundle is opened.
  • FIG. 7A is a plan view illustrating a third horizontal vibration roll according to an exemplary embodiment of the present invention
  • FIG. 7B is cross-sectional view illustrating the third horizontal vibration roll according to the exemplary embodiment of the present invention.
  • another of the plurality of horizontal vibration rolls may be a third horizontal vibration roll 350 having a cylindrical shape with the same diameter.
  • an exterior circumference of the third horizontal vibration roll 350 has a straight shape.
  • a center of the third horizontal vibration roll 350 has a hole, and a third shaft (not shown) may be inserted into the center hole of the third horizontal vibration roll 350 .
  • the third shaft receives power from a separate driving source (not shown) and is moved in a horizontal direction (i.e., width direction) in a predetermined time period. Accordingly, the third horizontal vibration roll 350 is moved in the horizontal direction so that vibration is applied to the fiber bundle in the horizontal direction.
  • a pair of third guide rolls 360 may be provided at a lower portion of the third horizontal vibration roll 350 .
  • the fiber bundle passes between the third horizontal vibration roll 350 and the pair of third guide rolls 360 so that a predetermined amount of tension is applied to the fiber bundle.
  • the force is applied to the fiber bundle by horizontal direction vibration of the third horizontal vibration roll 310 so that the fiber bundle is opened.
  • FIG. 8A is a plan view illustrating a fourth horizontal vibration roll according to an exemplary embodiment of the present invention
  • FIG. 8B is a cross-sectional view illustrating the fourth horizontal vibration roll according to the exemplary embodiment of the present invention
  • the other of the plurality of horizontal vibration rolls may be a fourth horizontal vibration roll 370 having a cylindrical shape with the same diameter, where protrusions and depressions are formed at an exterior circumference of the fourth horizontal vibration roll 370 , and block walls 374 are formed at both front ends of the fourth horizontal vibration roll 370 .
  • an exterior circumference of the fourth horizontal vibration roll 370 has a straight shape.
  • protrusions and depressions are formed at an exterior circumference of the fourth horizontal vibration roll 370 (see the notation “Z” of FIG. 8B ).
  • a center of the fourth horizontal vibration roll 370 has a hole, and a second shaft (not shown) may be inserted into the center hole of the fourth horizontal vibration roll 370 .
  • the fourth shaft receives power from a separate driving source (not shown) and is moved in a horizontal direction (i.e., width direction) in a predetermined time period. Accordingly, the fourth horizontal vibration roll 370 is moved in the horizontal direction so that vibration is applied to the fiber bundle in the horizontal direction.
  • a pair of fourth guide rolls 380 may be provided at a lower portion of the fourth horizontal vibration roll 370 .
  • the fiber bundle passes between the fourth horizontal vibration roll 370 and the pair of fourth guide rolls 380 so that a predetermined amount of tension is applied to the fiber bundle.
  • the force is applied to the fiber bundle by horizontal direction vibration of the fourth horizontal vibration roll 370 so that the fiber bundle is opened.
  • the fiber bundle is a carbon fiber
  • a first horizontal vibration roll 310 in the plurality of horizontal vibration rolls, a second horizontal vibration roll 330 , and a third horizontal vibration roll 350 are disposed in that order, so that the plurality of horizontal vibration rolls apply horizontal direction vibration to the fiber bundle.
  • the opening effect due to the air supply device 100 and the vertical vibration device 200 is higher than that of the glass fiber, but a compaction phenomenon of the fiber bundle is greater than that of the glass fiber.
  • compaction of the fiber bundle is released by primarily applying horizontal direction vibration to the fiber bundle through the first horizontal vibration roll 310 having an exterior circumference with a relatively small curvature radius, horizontal direction vibration is secondarily applied to the fiber bundle through the second horizontal vibration roll 330 having an exterior circumference with a relatively large curvature radius, and horizontal direction vibration is finally applied to the fiber bundle through the third horizontal vibration roll 350 having a flat exterior circumference so that opening efficiency may be improved while minimizing damage to the fiber.
  • a case where the fiber bundle is a glass fiber is described.
  • a third horizontal vibration roll 350 , a first horizontal vibration roll 310 , and a fourth horizontal vibration roll 370 are disposed in that order, so that the plurality of horizontal vibration rolls apply horizontal direction vibration to the fiber bundle.
  • the opening effect due to the air supply device 100 and the vertical vibration device 200 is lower than that of the carbon fiber.
  • the horizontal vibration roll is disposed in the above order so that the opening efficiency of a glass fiber bundle may be improved.
  • FIG. 9A is a plan view illustrating a width controller according to an exemplary embodiment of the present invention
  • FIG. 9B is a side view illustrating the width controller according to the exemplary embodiment of the present invention.
  • the width controller 400 is a device arranged so that the fiber bundle opened by passing through the horizontal vibration device 300 is exhausted with a desired width.
  • the vertical vibration device 200 and the horizontal vibration device 300 are provided for the purpose of improving impregnation of the fiber bundle. After the fiber bundle is opened, the impregnation is maintained even if the fiber bundle is physically combined.
  • the width controller 400 includes a bottom plate 410 , guide walls 420 provided at both sides of the bottom plate to guide the fiber bundle, and a guide plate 430 connected to the guide wall by a hinge.
  • a ruler 440 for displaying an opening amount of the guide plate 430 may be formed on the bottom plate 410 .
  • the guide plate 430 is coupled with the guide wall 420 by a hinge, so that an opening amount of the guide plate 430 is adjusted by operation of the user or a separate driving torque. Accordingly, the user may control the fiber bundle to be exhausted with a desired width.
  • the width of the fiber bundle may be exactly adjusted through a ruler 440 which is formed on the bottom plate 410 .

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Nonwoven Fabrics (AREA)
  • Preliminary Treatment Of Fibers (AREA)
US14/708,318 2014-11-28 2015-05-11 Opening apparatus of fiber bundle Abandoned US20160153126A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020140168283A KR101601233B1 (ko) 2014-11-28 2014-11-28 섬유 다발의 개섬 장치
KR10-2014-0168283 2014-11-28

Publications (1)

Publication Number Publication Date
US20160153126A1 true US20160153126A1 (en) 2016-06-02

Family

ID=55534645

Family Applications (1)

Application Number Title Priority Date Filing Date
US14/708,318 Abandoned US20160153126A1 (en) 2014-11-28 2015-05-11 Opening apparatus of fiber bundle

Country Status (4)

Country Link
US (1) US20160153126A1 (zh)
KR (1) KR101601233B1 (zh)
CN (1) CN106182823B (zh)
DE (1) DE102015208935A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108468107A (zh) * 2018-04-09 2018-08-31 武汉纺织大学 一种提高纤维开松度的开棉机及其纺纱方法

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101901778B1 (ko) 2017-09-20 2018-09-28 (주)유디엠 복합소재 섬유다발 개섬 가이드
CN110039679A (zh) * 2019-04-02 2019-07-23 青岛海力威新材料科技股份有限公司 一种用于复合轨枕制备的浸润装置
CN113699691A (zh) * 2021-10-14 2021-11-26 常州鑫昇隆无纺科技有限公司 一种网帘震动机构
CN113997604B (zh) * 2021-11-04 2024-04-26 重庆国际复合材料股份有限公司 一种纤维束预热分散展宽装置
JP2024066286A (ja) * 2022-11-01 2024-05-15 株式会社Subaru 繊維の幅調整装置及び複合材成形方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040043213A1 (en) * 2001-01-12 2004-03-04 Sovoutri Societe Voultaine De Transformes Industriels Method for the production of a carbon fiber-based reinforcing element for tires
US20130122770A1 (en) * 2011-11-16 2013-05-16 Sanjay Wahal Nonwoven Materials from Continuous Tow Bands and Apparatuses and Methods Thereof
US20150259832A1 (en) * 2011-12-22 2015-09-17 Teijin Limited Method for manufacturing reinforcing fiber strand
US20160083873A1 (en) * 2013-04-19 2016-03-24 Hokushin Co., Ltd Method and device for opening fiber bundle

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1173083C (zh) * 1996-05-01 2004-10-27 福井县 复丝开纤片的制造方法和制造装置
CN1236124C (zh) * 2000-10-25 2006-01-11 醋酸酯人造纤维有限公司 纺织纤网、开松多纤维束带并形成预定形状的方法和系统
JP2004225222A (ja) * 2003-01-27 2004-08-12 Toray Ind Inc 強化繊維束の開繊方法および開繊装置
JP2009091679A (ja) * 2007-10-05 2009-04-30 Toyota Industries Corp 紡機における繊維束集束装置
KR101180504B1 (ko) * 2010-12-30 2012-09-06 주식회사 효성 탄소섬유의 개섬장치
KR101198256B1 (ko) * 2011-05-13 2012-11-07 서울대학교산학협력단 섬유 광폭화 장치 및 이를 갖는 연속 섬유 강화 플라스틱 복합소재 제조시스템
CN104153085B (zh) * 2014-07-28 2016-03-02 江苏鹰游纺机有限公司 碳纤维振动展纤装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040043213A1 (en) * 2001-01-12 2004-03-04 Sovoutri Societe Voultaine De Transformes Industriels Method for the production of a carbon fiber-based reinforcing element for tires
US20130122770A1 (en) * 2011-11-16 2013-05-16 Sanjay Wahal Nonwoven Materials from Continuous Tow Bands and Apparatuses and Methods Thereof
US20150259832A1 (en) * 2011-12-22 2015-09-17 Teijin Limited Method for manufacturing reinforcing fiber strand
US20160083873A1 (en) * 2013-04-19 2016-03-24 Hokushin Co., Ltd Method and device for opening fiber bundle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108468107A (zh) * 2018-04-09 2018-08-31 武汉纺织大学 一种提高纤维开松度的开棉机及其纺纱方法

Also Published As

Publication number Publication date
DE102015208935A1 (de) 2016-06-02
CN106182823B (zh) 2020-04-28
CN106182823A (zh) 2016-12-07
KR101601233B1 (ko) 2016-03-08

Similar Documents

Publication Publication Date Title
US20160153126A1 (en) Opening apparatus of fiber bundle
EP3147107B1 (en) Method of forming composite feedstock strips for additive manufacturing
TWI778002B (zh) 構造體及其製造方法
Carr et al. Estimating the knowledge-capital model of the multinational enterprise: Reply
CN108473164A (zh) 用于枢转安装拖车裙板的方法和设备
CA2920329C (en) Press-molded product, press-molded product producing method, and press-molded product producing apparatus
TW201726371A (zh) 構造體
US10112561B2 (en) Bumper unit of vehicle and method for manufacturing the same
CN106608286A (zh) 混合前柱结构
CN103133583A (zh) 车辆悬架用塑料复合弹簧及其制造装置和方法
CN111936284B (zh) 成型品的制造方法
US10273107B2 (en) Systems, devices and methods for receiving an item
EP3315541A1 (en) Polyolefin resin, preparation method therefor, and vehicle rear bumper beam using same
US9873148B2 (en) Frame for self-piercing rivet system
Brookbank et al. Economical carbon and cellulosic sheet moulding compounds for semi-and non-structural applications
CN206579703U (zh) 一种高强度防变形的汽车横梁
Reeves et al. Realising the vision of digital twins: Challenges in trustworthiness
CN208271533U (zh) 一种车载用广告机
Mathijsen Graphene Flagship yields breakthrough in composites technology for structural applications
Moon et al. Carbon fiber manufacturing and applications as a benchmark for nanotube superfiber development
CN102619417A (zh) 汽车杂物盒开启装置
DE102017108344B4 (de) Verfahren zur herstellung eines transportkühlaggregats, transportkühlaggregat und kühltransporteinheit
CN220447515U (zh) 一种笔记本装订机
CN205769482U (zh) 一种用于客车前围骨架的转运工装机构
CN205772278U (zh) 一种复合隔膜生产用毛刷辊

Legal Events

Date Code Title Description
AS Assignment

Owner name: HYUNDAI MOTOR COMPANY, KOREA, REPUBLIC OF

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:KANG, HYUN MIN;YUN, DEOK WOO;REEL/FRAME:035603/0296

Effective date: 20150428

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION