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1. 发明授权

US6026980A One-piece blow-molded closed plastic drum with handling ring and method of molding same 有权
标题翻译：一体式吹塑密封塑料桶及其成型方法
公开(公告)号：US6026980A
公开(公告)日：2000-02-22
申请号：US310894
申请日：1999-05-12
申请人： John H. Malik , John J. Mikula , Robert A. Julien
发明人： John H. Malik , John J. Mikula , Robert A. Julien
IPC分类号： B29C49/04 , B29B11/10 , B29C35/16 , B29C49/16 , B29C49/18 , B29C49/20 , B29C49/22 , B29C49/48 , B29C49/54 , B29K105/06 , B29L22/00 , B65D1/12 , B65D1/16 , B65D25/22 , B65D90/00
CPC分类号： B65D25/22 , B29C49/18 , B29C49/4802 , B29C49/541 , B65D1/16 , B29C2035/1616 , B29C2049/2008 , B29C2049/2013 , B29C2049/2073 , B29C2049/4807 , B29C2049/4812 , B29C2049/548 , B29C2049/5844 , B29C49/04 , B29C49/041 , B29C49/22 , B29K2105/12 , B29K2995/0068 , B29L2031/7126 , B29L2031/7154 , Y10S220/01
摘要： A one-piece blow-molded closed plastic drum having an integrally-formed compression-molded handling ring and method of molding same is provided. The drum has structural strength and stability to resist breakage of the drum upon impact due to tipping or dropping of the drum. The drum includes a generally cylindrical body portion and a head portion integrally-molded with an upper end of the body portion including a transition area around and between the upper end of the body portion and a top of the drum in the head portion. The transition area has an outside curved surface of a predetermined radius so that an outside surface of the body portion is positioned in a tangential plane in close proximity to a tangential plane along the outer circumferential surface of the handling ring and/or an inside curved surface with at least one radius, preferably a double ogee with three predetermined radii, so that no acute angles are formed between inside surfaces at the transition area.
摘要翻译：提供了一体式吹塑密封塑料鼓，其具有一体形成的压缩成型处理环及其成型方法。滚筒具有结构强度和稳定性，以抵抗由于滚筒的倾翻或掉落而撞击时滚筒的破损。滚筒包括大致圆柱形主体部分和与主体部分的上端一体模制的头部，其包括主体部分的上端和头部中的滚筒顶部之间的过渡区域。过渡区域具有预定半径的外侧弯曲表面，使得主体部分的外表面位于紧邻处理环的外周表面的切向平面和/或内部弯曲表面的切向平面中具有至少一个半径，优选具有三个预定半径的双眼，使得在过渡区域的内表面之间不形成锐角。

2. 发明授权

US6024245A One-piece blow-molded closed plastic drum with handling ring and method of molding same 失效
公开(公告)号：US6024245A
公开(公告)日：2000-02-15
申请号：US312710
申请日：1994-09-27
申请人： John H. Malik , John J. Mikula , Robert A. Julien
发明人： John H. Malik , John J. Mikula , Robert A. Julien
IPC分类号： B29C49/04 , B29B11/10 , B29C35/16 , B29C49/16 , B29C49/18 , B29C49/20 , B29C49/22 , B29C49/48 , B29C49/54 , B29K105/06 , B29L22/00 , B65D1/12 , B65D1/16 , B65D25/22 , B65D90/00
CPC分类号： B65D25/22 , B29C49/18 , B29C49/4802 , B29C49/541 , B65D1/16 , B29C2035/1616 , B29C2049/2008 , B29C2049/2013 , B29C2049/2073 , B29C2049/4807 , B29C2049/4812 , B29C2049/548 , B29C2049/5844 , B29C49/04 , B29C49/041 , B29C49/22 , B29K2105/12 , B29K2995/0068 , B29L2031/7126 , B29L2031/7154 , Y10S220/01
摘要： A one-piece blow-molded closed plastic drum having an integrally-formed compression-molded handling ring and method of molding same is provided. The drum has structural strength and stability to resist breakage of the drum upon impact due to tipping or dropping of the drum. The drum includes a generally cylindrical body portion and a head portion integrally-molded with an upper end of the body portion including a transition area around and between the upper end of the body portion and a top of the drum in the head portion. The transition area has an outside curved surface of a predetermined radius so that an outside surface of the body portion is positioned in a tangential plane in close proximity to a tangential plane along the outer circumferential surface of the handling ring and/or an inside curved surface with at least one radius, preferably a double ogee with three predetermined radii, so that no acute angles are formed between inside surfaces at the transition area.

3. 发明授权

US5543107A Blow molding a closed plastic drum including two speed compression molding of an integral handling ring 失效
标题翻译：吹塑一个封闭的塑料桶，包括一体式处理环的两速压缩成型
公开(公告)号：US5543107A
公开(公告)日：1996-08-06
申请号：US401466
申请日：1995-03-09
申请人： John H. Malik , John J. Mikula , Robert A. Julien
发明人： John H. Malik , John J. Mikula , Robert A. Julien
IPC分类号： B29C49/04 , B29B11/10 , B29C35/16 , B29C49/16 , B29C49/18 , B29C49/20 , B29C49/22 , B29C49/48 , B29C49/54 , B29K105/06 , B29L22/00 , B65D1/12 , B65D1/16 , B65D25/22 , B29C49/30 , B29C49/56
CPC分类号： B65D25/22 , B29C49/18 , B29C49/4802 , B29C49/541 , B65D1/16 , B29C2035/1616 , B29C2049/2008 , B29C2049/2013 , B29C2049/2073 , B29C2049/4807 , B29C2049/4812 , B29C2049/548 , B29C2049/5844 , B29C49/04 , B29C49/041 , B29C49/22 , B29K2105/12 , B29K2995/0068 , B29L2031/7126 , B29L2031/7154 , Y10S220/01
摘要： A closed one-piece plastic drum having an integral handling ring at a head end is formed in a blow mold having mold halves and an articulating mold section. While the mold is open and the articulating section is spaced from the mold halves, a heated plastic parison is placed in the open mold and blown at a first blowing pressure (30-60 psi) to completely expand the parison into the shape of the inside surface of the mold and fill the open articulating section. This blow molding step forms an open handling ring as well as the drum body. A second blowing operation at a second lower pressure (15-40 psi) is then performed to stabilize the expanded parison inside the mold. The mold articulating section is closed during the second blowing operation in first and second sequences. In each sequence, the articulating section is moved over a different distance and at a different speed while compressing the blow-molded open handling ring into a solid handling ring. After the articulating section is completely closed, a third blowing operation at a third pressure (90-110 psi) is performed. The third pressure is higher than both the first and second pressures and is held for a sufficient time to allow cooling of the molded plastic drum.
摘要翻译：在具有半模和铰接模具部分的吹塑模具中形成具有头端整体处理环的封闭的单件塑料桶。当模具打开并且铰接部分与半模分开时，将加热的塑料型坯放置在开模中，并以第一吹塑压力（30-60psi）吹塑以将型坯完全膨胀成内部的形状模具的表面并填充开放的铰接部分。该吹塑步骤形成开放的处理环以及鼓体。然后在第二较低压力（15-40psi）下进行第二吹制操作，以使模具内部的膨胀型坯稳定。在第二次吹送操作期间，模具关节部分在第一和第二序列中被关闭。在每个顺序中，铰接部分在不同的距离和不同的速度下移动，同时将吹塑成型的开放处理环压缩成固体处理环。在关节部分完全关闭之后，执行在第三压力（90-110psi）下的第三次吹动操作。第三压力高于第一和第二压力，并且保持足够的时间以允许模制塑料滚筒的冷却。

4. 发明授权

US06182853B2 Plastic drum 失效
标题翻译：塑料桶
公开(公告)号：US06182853B2
公开(公告)日：2001-02-06
申请号：US09255056
申请日：1999-02-22
申请人： Robert A. Julien
发明人： Robert A. Julien
IPC分类号： B65D634
CPC分类号： B65D25/22 , B65D1/16
摘要： The present invention is directed to a plastic drum that includes a cylindrical shaped sidewall and a planar shaped head. A transition section is molded with and disposed between the head and the sidewall. A handling ring is positioned on the transition section and has a base that is disposed below the head and interior to the sidewall. The plastic drum is formed by the steps of: providing a mold having an inner surface that defines a cylindrical shaped sidewall, a planar shaped head, a transition section between the sidewall and the head and a handling ring; and molding a sidewall and the head, a transition section between the head and the sidewall, and a handling ring to extend from the transition section, the handling ring being positioned on the transition section below the head and interior to the sidewall.
摘要翻译：本发明涉及一种塑料鼓，其包括圆柱形的侧壁和平面形的头部。过渡部分模制并设置在头部和侧壁之间。处理环位于过渡部分上，并且具有设置在头部下方并且在侧壁内部的基部。塑料鼓由以下步骤形成：提供具有限定圆柱形侧壁的内表面的模具，平面形状的头部，侧壁和头部之间的过渡部分以及处理环; 并且模制侧壁和头部，头部和侧壁之间的过渡部分以及从过渡部分延伸的处理环，处理环位于头部下方的过渡部分和侧壁内部。

5. 发明授权

US06419109B1 Tighthead drum 失效
标题翻译：紧头鼓
公开(公告)号：US06419109B1
公开(公告)日：2002-07-16
申请号：US09802140
申请日：2001-03-08
申请人： Robert A. Julien , John H. Malik
发明人： Robert A. Julien , John H. Malik
IPC分类号： B65D800
CPC分类号： B65D25/22 , B29C49/04 , B29C49/4802 , B65D1/16
摘要： A one piece thermoplastic tighthead drum having a drum body, a bottom, a top and at least one handling ring, at least one of said top and/or bottom including a raised central section surrounded by an annular groove defined by a groove floor, a first sidewall connecting the groove floor and the raised central section and a second sidewall comprising at least a portion of the handling ring. The drum body, the top and/or bottom having the handling ring associated with it and the handling ring converge in an area of merger, the interior surface of which comprises a smooth undulating surface having at least four radii. The configuration provides a double hinge for minimizing the effects of drop impact in the area of merger.
摘要翻译：一种具有鼓体，底部，顶部和至少一个处理环的热塑性密封鼓，所述顶部和/或底部中的至少一个包括由凹槽底板限定的环形凹槽包围的凸起中心部分，第一侧壁连接槽底板和凸起中心部分，第二侧壁包括至少一部分处理环。鼓体，具有与其相关联的处理环的顶部和/或底部以及处理环会聚在合并区域中，其内表面包括具有至少四个半径的平滑起伏表面。该配置提供了一个双铰链，用于最小化合并领域的落差影响的影响。

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