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1. 发明专利

JP2003276057A In-mold nozzle mechanism for hot runner die 有权
标题翻译：用于热跑步机的模具喷嘴机构
公开(公告)号：JP2003276057A
公开(公告)日：2003-09-30
申请号：JP2002087077
申请日：2002-03-26
申请人： Honda Motor Co Ltd , 本田技研工業株式会社
发明人： NAKANO HIROHIDE , KOYAMA TAKESHI , ODAKA KOICHI
IPC分类号： B29C45/27
CPC分类号： B29C45/27 , B29C2045/2724 , B29C2045/2777
摘要： PROBLEM TO BE SOLVED: To provide an in-mold nozzle mechanism for a hot runner die which prevents development of stringiness and curtails die production cost.
SOLUTION: An in-mold nozzle 26, which is arranged on a runner 27 facing a cavity of a hot runner die 10, is equipped with a heating means 36, a heat insulation gutter 37 and a heat transfer ring 38 in sequence with a resin flow line on a peripheral surface 35 of the nozzle. The heat insulation gutter prevents heat propagation from the heating means to a nozzle edge while the heat transfer ring passes heat from the nozzle edge to the die. This allows effective cooling of the resin around the nozzle edge and prevents, when a molding is released from the die, a stringiness development between a runner part of the molding and the edge of the in-mold nozzle.
COPYRIGHT: (C)2003,JPO
摘要翻译：要解决的问题：为了提供一种用于热流道模具的模内喷嘴机构，其防止了拉丝和模糊生产成本的发展。解决方案：设置在面向热流道模具10的空腔的流道27上的模内喷嘴26依次配备有加热装置36，绝热槽37和传热环38 在喷嘴的周面35上具有树脂流动线。绝热沟槽防止热传递从加热装置到喷嘴边缘，同时传热环将热量从喷嘴边缘传递到模具。这允许在喷嘴边缘周围有效地冷却树脂，并且当模具从模具中释放时，防止模制件的浇道部分和模内喷嘴的边缘之间的拉伸性发展。版权所有（C）2003，JPO

2. 发明专利

GB2397796A Nozzle for use in hot runner mold 未知
公开(公告)号：GB2397796A
公开(公告)日：2004-08-04
申请号：GB0409749
申请日：2003-02-28
申请人： HONDA MOTOR CO LTD
发明人： NAKANO HIROHIDE , KOYAMA TAKESHI , ODAKA KOUICHI
IPC分类号： B29C45/27 , B29C45/72 , B29C45/58 , H05B3/40
摘要： A nozzle (26) for a hot runner mold (10) having a cavity (29) and a runner (27) formed in a body (24) thereof and communicating with the cavity. The nozzle leads to the runner and has a heating means (36), a heat-insulating groove (37), and a heat transmitting ring (38) provided on an outer peripheral surface (35) thereof. The nozzle has a flow passageway (33) formed therein. The heating means, the groove, and the ring are arranged in order along a direction of flow of resin (51) within the passageway. The groove serves to prevent heat generated by the heating means from being transferred to a distal end portion (43a) of the nozzle. The ring serves to release the heat of the distal end portion to the body. With this arrangement, the resulting molded product (11) can be removed from the mold without causing any stringiness between the runner and the distal end portion.

3. 发明专利

GB2397796B Nozzle for use in hot runner mold 未知
公开(公告)号：GB2397796B
公开(公告)日：2005-11-02
申请号：GB0409749
申请日：2003-02-28
申请人： HONDA MOTOR CO LTD
发明人： NAKANO HIROHIDE , KOYAMA TAKESHI , ODAKA KOUICHI
IPC分类号： B29C45/27 , B29C45/72 , B29C45/58 , H05B3/40
摘要： A nozzle (26) for a hot runner mold (10) having a cavity (29) and a runner (27) formed in a body (24) thereof and communicating with the cavity. The nozzle leads to the runner and has a heating means (36), a heat-insulating groove (37), and a heat transmitting ring (38) provided on an outer peripheral surface (35) thereof. The nozzle has a flow passageway (33) formed therein. The heating means, the groove, and the ring are arranged in order along a direction of flow of resin (51) within the passageway. The groove serves to prevent heat generated by the heating means from being transferred to a distal end portion (43a) of the nozzle. The ring serves to release the heat of the distal end portion to the body. With this arrangement, the resulting molded product (11) can be removed from the mold without causing any stringiness between the runner and the distal end portion.

4. 发明专利

CA2467592A1 NOZZLE FOR USE IN HOT RUNNER MOLD 未知
公开(公告)号：CA2467592A1
公开(公告)日：2003-10-02
申请号：CA2467592
申请日：2003-02-28
申请人： HONDA MOTOR CO LTD
发明人： KOYAMA TAKESHI , NAKANO HIROHIDE , ODAKA KOUICHI
IPC分类号： B29C45/27
摘要： A nozzle (26) for a hot runner mold (10) having a cavity (29) and a runner (27) formed in a body (24) thereof and communicating with the cavity. The nozzle leads to the runner and has a heating means (36), a heat-insulating groove (37), and a heat transmitting ring (38) provided on an outer peripher al surface (35) thereof. The nozzle has a f low passageway (33) formed therein. The heating means, the groove, and the ring are arranged in order along a direction of flow of resin (51) within the passageway. The groove serves to prevent heat generated by the heating means from being transferred to a dist al end portion (43a) of the nozzle. The ring serves to release the heat of the distal end portion to the body. With this arrangement, the resulting molded product (11) can be removed from the mold without causing any stringiness between the runner and the distal end portion.

5. 发明专利

JPH06143475A FOAMED MOLDED OBJECT AND PRODUCTION THEREOF 失效
公开(公告)号：JPH06143475A
公开(公告)日：1994-05-24
申请号：JP30402592
申请日：1992-11-13
申请人： HONDA MOTOR CO LTD
发明人： MATSUMOTO KOJU , TSUYUKI EIJI , TOYOKAWA MAKOTO , KOYAMA TAKESHI
IPC分类号： B29C39/10 , B29K105/04 , B29L9/00 , B29L31/58 , B32B5/20
摘要： PURPOSE:To prevent the deformation of a foamed molded object due to CO2 generated from a foamable resin material. CONSTITUTION:A foamed molded object W has a skin material 1 composed of a laminate of a PCV sheet 3 and PP foam 4 and the foamable resin material 2 laminated to the inside of the skin material 1 and consisting of a primary foam layer 5 and a secondary foam layer 6. A large number of gas vent holes 7 are bored in the foamable resin material and CO2 is discharged to the outside through the gas vent holes 7 to prevent the expansion of the skin material 1 and the release of the primary and secondary foam layers 5,6.

6. 发明专利

JP2001287248A MOLD 失效
公开(公告)号：JP2001287248A
公开(公告)日：2001-10-16
申请号：JP2000102558
申请日：2000-04-04
申请人： HONDA MOTOR CO LTD
发明人： KOYAMA TAKESHI , ENDO MASAHARU , KAWAHIGASHI TOSHIRO
IPC分类号： B29C45/44
摘要： PROBLEM TO BE SOLVED: To perform mold opening operation without allowing an undercut part to interfere with a fixed mold while holding a molded article by a movable mold and to bend the arcuate part of the molded article while holding the arcuate part, side part and bent part of the molded article by a core mold to prevent the bending of the molded article. SOLUTION: A mold 20 is adapted in order to mold a molded article 10 like a bamper of a vehicle. A cavity 54 necessary for molding is formed by a fixed mold 21, a movable mold 22 and a core mold 40 and a taper surface 51 is formed to the back surface facing to the movable mold 22 of the core mold 40 and a swinging means 60 for swinging the core mold 40 centering around an apex 72 is provided to the core mold 40. The bend part 16 becoming the undercut part 19 of the molded article 10 is detached from the fixed mold 21 by allowing the taper surface 51 to approach the movable mold 22 by operating the shaking means 60 and the movement of the movable mold 22 is enabled.

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