公开(公告)号：US4097573A

公开(公告)日：1978-06-27

申请号：US717674

申请日：1976-08-25

Applicant: Gunnar Parmann

Inventor： Gunnar Parmann

IPC: B29B13/02 ,  B29C35/04 ,  B29C53/08 ,  B29C17/02

CPC classification number: B29C53/083 ,  B29B13/024 ,  B29C35/045 ,  B29L2023/22

Abstract: Method of bending thermoplastic pipes involving applying a source of heat to those portions of the pipe which are to be fashioned or shaped, applying a bending force to the pipe and cooling the bent pipe. The steps of the method are undertaken at one and the same location while the pipe is internally supported and has one end secured in a fixed position. Apparatus specifically designed to carry out such a method is also included.

Abstract translation: 弯曲热塑性管道的方法包括将热源施加到要形成或成形的管的那些部分，向管道施加弯曲力并冷却弯管。 该方法的步骤在同一位置进行，而管内部支撑并且一端固定在固定位置。 还包括专门设计用于执行这种方法的装置。

公开(公告)号：US4368894A

公开(公告)日：1983-01-18

申请号：US265245

申请日：1981-05-19

Applicant: Gunnar Parmann

Inventor： Gunnar Parmann

IPC: F16L47/10 ,  F16J15/12 ,  F16J15/32

CPC classification number: F16L47/10 ,  F16J15/121 ,  F16L21/03 ,  Y10T29/49872 ,  Y10T29/49876

Abstract: Reinforced sealing ring for reception in a pipe joint between an annular groove-carrying socket end and an insert end. The sealing ring consists of a main body of rubber in which there is embedded an upsplit steel ring. The sealing ring is adapted to be elastically deformable to such a degree that it can be snapped into place in the annular groove of the socket end by a simple mounting operation while it can be prevented from being torn or pressed unintentionally outwards from the annular groove after mounting. In order to achieve this the main body has a largest external diameter of between 1.08D+16 mm and 1.04D+8 mm, while the cross-sectional diameter or thickness of the steel ring is between 0.01D+2 mm and 0.005D+1 mm, where D constitutes the diameter of the pipe. The steel ring is disposed embedded in a central and/or radially outer cross-sectional portion of the main body.

Abstract translation: 用于在环形沟槽承载端和插入端之间的管接头中接收的加强密封环。 密封环由橡胶主体组成，其中嵌有一个上坡钢环。 密封环适于可弹性变形，使其能够通过简单的安装操作而被卡扣在插座端部的环形槽中的适当位置，同时可防止其从环形凹槽之后无意地从环形槽向外撕裂或压出 安装。 为了达到这个目的，主体的最大外径在1.08D + 16mm和1.04D + 8mm之间，而钢圈的截面直径或厚度在0.01D + 2mm和0.005D + 1mm，其中D构成管的直径。 钢环嵌入主体的中心和/或径向外侧横截面部分。

公开(公告)号：US4299412A

公开(公告)日：1981-11-10

申请号：US847440

申请日：1977-11-01

Applicant: Gunnar Parmann

Inventor： Gunnar Parmann

IPC: B29C57/02 ,  F16L17/03 ,  F16L47/10 ,  F16L17/02

CPC classification number: F16L21/03 ,  B29C57/025 ,  F16L17/032 ,  F16L47/10 ,  Y10T29/4981

Abstract: Combined mould and sealing element suitable for sealing off a joint between a socket end and an insert end of two cooperating pipes formed from a thermoplastic material and for being used as a portion of a body of a mould for both fabricating said socket end of the one pipe and simultaneously inserting said element in an internal groove in the socket end produced thereby. The element consists of a main body of annular form composed of an elastically yielding material housing a reinforcing core of relatively non-elastic material capable of retaining its shape relative to the main body. The main body has a radial outer portion which in its active condition is adapted to abut the bottom of the internal groove and in its inactive condition projects outwardly as a flap. Between the flap and an inner and opposing portion of the main body there is formed an opening dimensioned to facilitate ready introduction and housing of the core. The flap has a wall thickness which is locally reduced at a position remote from its free end which permits ready bending and clamping of the flap against the inner portion to close off the opening in the active condition.

Abstract translation: 适合于密封由热塑性材料形成的两个配合管的插座端和插入端之间的接头的组合的模具和密封元件，并且用作用于制造所述一个的所述插座端的模具的一部分 并且同时将所述元件插入由其制造的插座端部中的内部凹槽中。 该元件由环形主体构成，该主体由弹性屈服材料构成，该材料容纳相对于主体保持其形状的相对非弹性材料的增强芯。 主体具有径向外部，其在其有效状态下适于邻接内槽的底部，并且在其非活动状态下作为翼片向外突出。 在翼片与主体的内部和相对部分之间形成有一个开口，该开口的尺寸适于促进芯的准备引入和容纳。 翼片具有在远离其自由端的位置局部减小的壁厚，其允许翼片抵靠内部部分准备弯曲和夹紧以在活动状态下关闭开口。

公开(公告)号：US4975234A

公开(公告)日：1990-12-04

申请号：US337570

申请日：1989-04-13

Applicant: Gunnar Parmann

Inventor： Gunnar Parmann

IPC: B29C57/02 ,  B29C57/04

CPC classification number: B29C57/025 ,  Y10S425/218

Abstract: In a method for forming an end portion of a plastic pipe wherein the end portion is transferred to softened state and the end portion is provided with an internal groove by axially displacing the pipe end portion in relation to a mould ring which is thereby introduced into the pipe end portion. After the forming of the pipe end portion the mould ring is left in the pipe end portion for forming a sealing ring therein. During the forming operation the pipe end portion is supported on a mandrel. In accordance with the invention the mould ring is displaced into the pipe end portion by displacing the ring along the mandrel while the pipe end portion is in its softened condition supported by the mandrel substantially without being displaced along the mandrel.

公开(公告)号：US4336014A

公开(公告)日：1982-06-22

申请号：US187495

申请日：1980-09-15

Applicant: Gunnar Parmann

Inventor： Gunnar Parmann

IPC: B29C57/02 ,  F16L47/10 ,  B29C17/02

CPC classification number: B29C57/025 ,  F16L47/10 ,  Y10S425/044 ,  Y10S425/058 ,  Y10S425/218 ,  Y10T29/4987 ,  Y10T29/49876

Abstract: The mandrel uses a single anchoring groove in order to fixedly mount the forming and sealing element thereon for subsequent passage of a heated thermoplastic pipe end thereover. The forward wall of the anchoring groove may be directed radially outwardly or may be inclined rearwardly in order to abut the sealing portion of the element. The sealing portion fills the anchoring groove while the trailing wedge-shaped end fits into a small recess to avoid "fish-mouthing."

Abstract translation: 心轴使用单个锚定槽，以便在其上固定地安装成形和密封元件，以便随后在其上通过加热的热塑性管端。 锚定槽的前壁可以径向向外指向或可以向后倾斜以便抵靠元件的密封部分。 密封部分填充锚定凹槽，而后楔形端部装入小凹槽中以避免“鱼嘴”。

公开(公告)号：US4847094A

公开(公告)日：1989-07-11

申请号：US107782

申请日：1987-10-13

Applicant: Gunnar Parmann

Inventor： Gunnar Parmann

IPC: B29C57/02 ,  B29C57/04

CPC classification number: B29C57/025 ,  Y10S425/218

Abstract: An apparatus for forming an end portion of a plastic pipe wherein the end portion is transferred to softened state and the end portion is provided with an internal groove by axially displacing the pipe end portion in relation to a mould ring which is thereby introduced into the pipe end portion. After the forming of the pipe end portion the mould ring is left in the pipe end portion for forming a sealing ring therein. During the forming operation the pipe end portion is supported on a mandrel. In accordance with the invention the mould ring is displaced into the pipe end portion by displacing the ring along the mandrel while the pipe end portion is in its softened condition supported by the mandrel substantially without being displaced along the mandrel.

Abstract translation: 一种用于形成塑料管的端部的装置，其中端部转移到软化状态，并且端部通过相对于模环而轴向移位管端部而设置有内槽，该模环从而被引入到管中 端部。 在形成管端部之后，将模具环留在用于在其中形成密封环的管端部。 在成型操作期间，管端部被支撑在心轴上。 根据本发明，通过使环沿着心轴移位而使模具环移位到管端部，同时管端部处于由心轴支撑的软化状态，基本上不沿着心轴移位。

公开(公告)号：US4030872A

公开(公告)日：1977-06-21

申请号：US608758

申请日：1975-08-28

Applicant: Gunnar Parmann

Inventor： Gunnar Parmann

IPC: F16L21/02 ,  F16L47/08 ,  F16L47/10 ,  B29C17/00

CPC classification number: F16L47/08 ,  F16L47/10 ,  Y10S425/044 ,  Y10S425/047 ,  Y10S425/218

Abstract: Combined mould element and sealing ring suitable for sealing off a joint between a socket end and an insert end of two cooperating pipes formed from thermoplastic material and for being used as a portion of a body of a mould for both fabricating the socket end of the one pipe and simultaneously inserting the ring in an internal groove in the socket end produced thereby. The main bulk of the sealing ring is composed of elastically yielding material having within its contour at least one zone composed of relatively non-elastic material capable of rendering the zone stable as regards its shape compared with the remainder of the ring. Conveniently, such zones are formed by stiffening rings permanently connected to the main bulk of the sealing ring.

Abstract translation: 组合的模具元件和密封环适用于密封由热塑性材料形成的两个配合管的插座端和插入端之间的接头，并且用作模具的主体的一部分，用于制造一个的插座端 并且同时将环插入由其制造的插座端部中的内部凹槽中。 密封环的主要部分由弹性屈服材料组成，其弹性屈服材料在其轮廓内具有至少一个由相对非弹性材料组成的区域，该区域能够使区域与环的其余部分相比形状稳定。 方便地，这样的区域由永久连接到密封环的主体的加强环形成。

公开(公告)号：US3965715A

公开(公告)日：1976-06-29

申请号：US547441

申请日：1975-02-06

Applicant: Gunnar Parmann

Inventor： Gunnar Parmann

IPC: B29B13/02 ,  B29C35/04 ,  B29C53/08 ,  B21D7/16

CPC classification number: B29B13/024 ,  B29C53/083 ,  B29C35/045 ,  B29L2023/22

Abstract: Method of bending thermoplastic pipes involving applying a source of heat to these portions of the pipe which are to be fashioned or shaped, applying a bending force to the pipe and cooling the bent pipe. The steps of the method are undertaken at one and the same location while the pipe is internally supported and has one end secured in a fixed position. Apparatus specifically designed to carry out such a method is also included.

Abstract translation: 弯曲热塑性管道的方法包括将热源施加到要形成或成形的管道的这些部分，向管道施加弯曲力并冷却弯管。 该方法的步骤在同一位置进行，而管内部支撑并且一端固定在固定位置。 还包括专门设计用于执行这种方法的装置。

公开(公告)号：US06477111B1

公开(公告)日：2002-11-05

申请号：US09806797

申请日：2001-07-03

Applicant: Nils Lunde ,  Simon Hastings Bittleston ,  Gunnar Parmann ,  Jan-Age Langeland

Inventor： Nils Lunde ,  Simon Hastings Bittleston ,  Gunnar Parmann ,  Jan-Age Langeland

IPC: G01V138

CPC classification number: G01V1/201

Abstract: A seismic streamer comprises a substantially solid core having many of the main components of the streamer, namely hydrophones, electronics modules for digitising the outputs of the hydrophones, the main optical and electrical conductor bundles and Keviar strength members, embedded in it. The core also contains a large number of foam buoyancy elements. An outer skin surrounds the core, defining an annular gap around the core, and this annular gap is filled with open-celled polyurethane foam saturated with kerosene. The capsules containing the hydrophones communicate with the annular gap around the core, so that the kerosene can enter the capsules, each of which contains an open-celled polyurethane foam sheath to cushion the hydrophone. In an alternative construction, made possible by using the buoyancy elements in the core to render the core approximately neutrally buoyant in water, the outer skin and the polyurethane foam are omitted, and the core is used on its own as a solid streamer.

Abstract translation: 地震拖缆包括具有拖缆的许多主要部件的基本上实心的芯体，即水听器，用于数字化水听器的输出的电子模块，主光学和电导体束以及嵌入其中的Keviar强度构件。 核心还包含大量泡沫浮力元素。 外壳围绕芯部，围绕芯部限定环形间隙，并且该环形间隙填充有用煤油饱和的开孔聚氨酯泡沫。 包含水听器的胶囊与芯周围的环形间隙连通，使得煤油可以进入胶囊，每个胶囊含有开孔的聚氨酯泡沫护套以缓冲水听器。 在替代结构中，通过使用芯中的浮力元件使得芯在水中大致中性地浮起，可以省略外皮和聚氨酯泡沫，并且芯本身作为固体拖缆使用。

公开(公告)号：US4818209A

公开(公告)日：1989-04-04

申请号：US38737

申请日：1987-04-15

Applicant: Stefan Petersson ,  Bror Gustafsson ,  Gunnar Parmann

Inventor： Stefan Petersson ,  Bror Gustafsson ,  Gunnar Parmann

IPC: B29C57/02 ,  F16L21/02 ,  F16L37/084 ,  B29C57/06

CPC classification number: F16L37/0845 ,  B29C57/025 ,  Y10S277/924

Abstract: A mould and sealing ring constitutes a mould element in forming a socket end on a pipe consisting of thermoplastic material and seals the space in a pipe joint between the socket end and the spigot end of a pipe introduced into the socket end. The mould and sealing ring comprises an annular sealing portion consisting of elastically yieldable sealing material and a second substantially annular portion for reinforcing the mould and sealing ring consisting of a material which is rigid in relation to said elastically yieldable material and is connected with the elastically yieldable material at a connection surface. The sealing portion and the reinforcing portion constitute two portions positioned adjacent each other on each side of the connection surface in the axial direction of the ring for dividing the ring into a portion which is inactive from the sealing point of view and is active from the forming and locking point of view and a portion which is active from the sealing point of view is substantially inactive from the forming and locking point of view.

Abstract translation: 模具和密封圈构成在由热塑性材料构成的管上形成插座端部的模具元件，并且密封插座端部和引入插座端部的管子的插口端之间的管接头中的空间。 模具和密封环包括由弹性可屈服的密封材料组成的环形密封部分和用于加强模具和密封环的第二基本环形部分，所述模具和密封环由相对于所述弹性屈服材料是刚性的材料组成，并且与可弹性屈服的 材料在连接表面。 密封部分和加强部分构成在环的轴向方向上在连接表面的两侧彼此相邻的两个部分，用于将环分成从密封角度看无活性的部分，并且从成形 并且从形成和锁定的角度来看，锁定视点和从密封角度来看活动的部分基本上是无效的。