公开(公告)号：US08709318B2

公开(公告)日：2014-04-29

申请号：US12979848

申请日：2010-12-28

Applicant: Guillermo Monteil ,  Samuel Gjorven

Inventor： Guillermo Monteil ,  Samuel Gjorven

IPC: B29C51/42

CPC classification number: B29C57/025

Abstract: An improved pipe belling process is shown which features a mandrel having a specially designed backup or forming collar. The backup collar has an outer contact surface which forms an undulating pattern when viewed in cross section. The undulating surface reduces the contact area between the outer contact surface of the collar and the lip region of a plastic pipe being belled, thereby lowering the coefficient of friction that exists between the pipe lip region and the collar.

Abstract translation: 示出了改进的管道收缩过程，其特征在于具有专门设计的备用或成形套环的心轴。 备用套环具有外部接触表面，当从横截面观察时形成起伏的图案。 起伏的表面减小了轴环的外接触表面和正在被罩住的塑料管的唇部区域之间的接触面积，从而降低了管唇缘区域和套环之间存在的摩擦系数。

公开(公告)号：US20080007062A1

公开(公告)日：2008-01-10

申请号：US11895917

申请日：2007-08-28

Applicant: Jim Jones ,  Bradford Corbett ,  Gerardo Darce ,  Randall Chinchilla

Inventor： Jim Jones ,  Bradford Corbett ,  Gerardo Darce ,  Randall Chinchilla

IPC: F16L17/00

CPC classification number: F16L47/08 ,  B29C57/025 ,  F16L37/0925 ,  F16L47/12 ,  Y10T29/49865 ,  Y10T29/4987 ,  Y10T29/49876

Abstract: A method and apparatus for restraining pipe against both internal and external forces at a pipe or fitting connection and to join and seal at least two pipes to form a pipeline is shown featuring an improved restraining and sealing mechanism. The restraining and sealing mechanism includes a circumferential housing and a companion sealing ring which are received within a mating groove provided in the belled end of a female pipe. The circumferential housing has an interior region which contains a gripping ring insert. The sealing ring and housing are integrally located within a belled pipe end during belling operations.

Abstract translation: 一种用于限制管道抵抗管道或配件连接处的内部和外部力并连接和密封至少两个管道以形成管道的方法和装置被示出具有改进的约束和密封机构。 限制和密封机构包括周向壳体和配套密封环，其被接纳在设置在母管的罩壁中的配合槽内。 周向壳体具有包含夹环插入件的内部区域。 密封环和壳体在钟罩操作期间一体地位于鼓形管端内。

公开(公告)号：US20060119100A1

公开(公告)日：2006-06-08

申请号：US11120550

申请日：2005-05-03

Applicant: Jim Jones ,  Bradford Corbett ,  Gerardo Darce ,  Randall Chinchilla

Inventor： Jim Jones ,  Bradford Corbett ,  Gerardo Darce ,  Randall Chinchilla

IPC: F16L17/00

CPC classification number: F16L47/08 ,  B29C57/025 ,  F16L37/0925 ,  F16L47/12 ,  Y10T29/49865 ,  Y10T29/4987 ,  Y10T29/49876

Abstract: A method and apparatus for restraining pipe against both internal and external forces at a pipe or fitting connection and to join and seal at least two pipes to form a pipeline is shown featuring an improved restraining and sealing mechanism. The restraining and sealing mechanism includes a circumferential housing and a companion sealing ring which are received within a mating groove provided in the belled end of a female pipe. The circumferential housing has an interior region which contains a gripping ring insert. The sealing ring and housing are integrally located within a belled pipe end during belling operations.

Abstract translation: 一种用于限制管道抵抗管道或配件连接处的内部和外部力并连接和密封至少两个管道以形成管道的方法和装置被示出具有改进的约束和密封机构。 限制和密封机构包括周向壳体和配套密封环，其被接纳在设置在母管的罩壁中的配合槽内。 周向壳体具有包含夹环插入件的内部区域。 密封环和壳体在钟罩操作期间一体地位于鼓形管端内。

公开(公告)号：US4723905A

公开(公告)日：1988-02-09

申请号：US867630

申请日：1986-05-27

Applicant: Efrain D. Vassallo ,  Jose E. Valls

Inventor： Efrain D. Vassallo ,  Jose E. Valls

IPC: B29C57/02 ,  B29C55/00 ,  B29C55/22

CPC classification number: B29C57/025 ,  Y10S425/218

Abstract: Apparatus for seating a gasket in a plastic pipe bell is disclosed which includes providing a peripheral groove in a belling mandrel and seating a specially designed hard plastic ring in the groove. The hard plastic ring is molded to provide exterior ramps for forming an annular pocket in the pipe bell and is inwardly configured to provide a secure seating surface to receive and retain a resilient gasket thereon. The mandrel is urged into a preheated end of the pipe and vacuum forces are employed to pull the end of the pipe about the periphery of the mandrel and tightly against the exterior ramps of the hard plastic ring for forming the bell shape. Upon sufficient cooling of the pipe end, the mandrel is withdrawn and the plastic ring remains encapsulated within the bell shape. Upon removal of the mandrel, a resilient gasket is then seated within the bell in intimate overall contact with the seating surface of the plastic ring.

Abstract translation: 公开了一种用于将垫圈放置在塑料管钟中的装置，其包括在鼓形心轴中提供周边凹槽并且将专门设计的硬塑料环放置在凹槽中。 硬塑料环被模制以提供用于在管状钟形中形成环形袋的外部斜面，并且向内构造成提供固定的座表面以在其上容纳和保持弹性垫圈。 心轴被推入管道的预热末端，并且采用真空力将管道的端部围绕心轴的周边拉紧，并紧紧地抵靠硬塑料环的外部斜面以形成钟形。 在管端充分冷却后，取出心轴，塑料环保持封装在钟形状内。 在去除心轴时，弹性垫圈随后与塑胶环的座面完全接触地安置在钟罩内。

公开(公告)号：US4625383A

公开(公告)日：1986-12-02

申请号：US712718

申请日：1985-03-18

Applicant: Efrain D. Vassallo ,  Jose E. Valls

Inventor： Efrain D. Vassallo ,  Jose E. Valls

IPC: B29C57/04 ,  B29C57/02 ,  B29C57/08

CPC classification number: B29C57/025 ,  Y10S264/50 ,  Y10S425/218 ,  Y10T29/49861 ,  Y10T29/49872

Abstract: A method for seating a gasket in a plastic pipe bell is disclosed which includes providing a peripheral groove in a belling mandrel and seating a specially designed hard plastic ring in the groove. The hard plastic ring is molded to provide exterior ramps for forming an annular pocket in the pipe bell and is inwardly configured to provide a secure seating surface to receive and retain a resilient gasket thereon. The mandrel is urged into a preheated end of the pipe and vacuum forces are employed to pull the end of the pipe about the periphery of the mandrel and tightly against the exterior ramps of the hard plastic ring for forming the bell shape. Upon sufficient cooling of the pipe end, the mandrel is withdrawn and the plastic ring remains encapsulated within the bell shape. Upon removal of the mandrel, a resilient gasket is then seated within the bell in intimate overall contact with the seating surface of the plastic ring.

Abstract translation: 公开了一种用于将垫圈放置在塑料管钟中的方法，其包括在钟形心轴中设置周边凹槽并且将专门设计的硬塑料环放置在凹槽中。 硬塑料环被模制以提供用于在管状钟形中形成环形袋的外部斜面，并且向内构造成提供固定的座表面以在其上容纳和保持弹性垫圈。 心轴被推入管道的预热末端，并且采用真空力将管道的端部围绕心轴的周边拉紧，并紧紧地抵靠硬塑料环的外部斜面以形成钟形。 在管端充分冷却后，取出心轴，塑料环保持封装在钟形状内。 在去除心轴时，弹性垫圈随后与塑胶环的座面完全接触地安置在钟罩内。

公开(公告)号：US4457886A

公开(公告)日：1984-07-03

申请号：US102654

申请日：1979-12-12

Applicant: Petrus M. Acda ,  Jacob Karreman

Inventor： Petrus M. Acda ,  Jacob Karreman

IPC: B29C57/02 ,  B29C7/00

CPC classification number: B29C57/02 ,  B29C57/025

Abstract: The invention relates to a process for the production of coupling pieces which possess an undercut annular groove optionally provided with a sealing ring, in which process a sleeve, having an internal diameter which increases in steps towards the open end, is initially preformed, the terminal part of the sleeve is postformed in order to form the annular groove, after having optionally introduced a sealing ring into the preformed sleeve, and, during preforming, only the terminal part of the preformed sleeve is kept at the deformation temperature and the remainder of the preformed sleeve is cooled, the terminal part of the preformed sleeve being cooled after postforming.The device according to the invention comprises a forming mandrel, the front part of which possesses a cooling chamber and the rear part of which possesses heating means, a postforming ring, which can move radially and axially and is equipped with a cooling chamber, and optionally a moulding sheath, a closing ring, which is equipped with heating means, and a member for introducing the sealing ring, which member can move radially and axially.

Abstract translation: 本发明涉及一种用于生产具有可选地设有密封环的底切环形槽的联接件的方法，其中最初预先形成具有向开口端逐步增加的内径的套筒 在将可选择地将密封环引入预成型套筒之后，套筒的一部分被成形以便形成环形槽，并且在预成形期间，只有预制套筒的端部保持在变形温度，并且其余部分 预制套筒被冷却，预成型套筒的端部部分在成形后被冷却。 根据本发明的装置包括成形心轴，其前部具有冷却室，其后部具有加热装置，可以径向和轴向地移动并配备有冷却室的成形环，并且可选地 装有加热装置的成型护套，封闭环，以及用于引导密封环的构件，该构件可以径向和轴向移动。

公开(公告)号：US4315630A

公开(公告)日：1982-02-16

申请号：US154668

申请日：1980-05-30

Applicant: David W. French ,  Robert W. Heisler ,  Antonio Maldarella, Jr. ,  Gilbert W. Vanhoy

Inventor： David W. French ,  Robert W. Heisler ,  Antonio Maldarella, Jr. ,  Gilbert W. Vanhoy

IPC: B29C57/02 ,  B29C57/06 ,  F16L47/08 ,  F16J15/32

CPC classification number: B29C57/06 ,  B29C57/025 ,  F16L47/08

Abstract: Joints for thermoplastic pipe. The necessity of providing a sealing ring between the socket and spigot of such a joint results in forming a ring groove in the socket and affixing the sealing ring within this ring groove. The present invention contemplates forming a sealing ring groove 6 so configured around a sealing ring 11 with a substantially axially incompressible portion 12 to lock the sealing ring in place and also to enhance the ease of assembly and ability of the thus assembled joint to structurally withstand elevated hydrostatic pressures. Also disclosed is an apparatus 20 and 44 for forming the preferred socket configuration.

Abstract translation: 热塑管接头。 在这种接头的插座和插口之间设置密封环的必要性导致在插座中形成环形槽并将密封环固定在该环形槽内。 本发明设想形成密封环槽6，该密封环槽6围绕具有基本上轴向不可压缩部分12的密封环11构成，以将密封环锁定在适当的位置，并且还增强组装的容易性和由此组装的接头在结构上承受升高的能力 静水压力。 还公开了一种用于形成优选插座构造的装置20和44。

公开(公告)号：US3942935A

公开(公告)日：1976-03-09

申请号：US419186

申请日：1973-11-26

Applicant: Robert Walter Heisler

Inventor： Robert Walter Heisler

IPC: B29C57/02 ,  B29C17/00

CPC classification number: B29C57/025 ,  Y10S425/218

Abstract: A method of forming the bell end of a bell and spigot joint connecting two pipes together is disclosed herein and utilizes a mandrel assembly including an elongated core and a retractable ramp arrangement. A sealing gasket is positioned around the core and to one side of the ramp arrangement. Thereafter, an end section of a heat deformable pipe, heated to its deformable state, is moved concentrically over the core, retractable ramp arrangement and sealing gasket to form an enlarged sleeve or bell having an inner circumferential groove within which the sealing gasket is located. During this movement, as the heated end section approaches the sealing gasket, the ramp arrangement causes the end section to deform outwardly and over the gasket, whereupon the ramp arrangement retracts inwardly for allowing the outwardly deformed end section to shrink back to the core and around the gasket.

Abstract translation: 本文公开了一种形成将两个管连接在一起的喇叭口和插口接头的钟形端的方法，并且使用包括细长芯和可伸缩斜面布置的心轴组件。 密封垫圈围绕芯部和斜坡装置的一侧定位。 此后，加热到其可变形状态的热变形管的端部部分同心地移动到芯部，可缩回斜面布置和密封垫圈上，以形成具有密封垫圈所在的内周槽的扩大的套管或钟形件。 在该运动期间，当加热的端部接近密封垫圈时，斜面布置使得端部部分向外变形并且越过垫圈，于是斜面装置向内缩回以允许向外变形的端部部分收缩回到芯部和周围 垫圈。

公开(公告)号：US3924999A

公开(公告)日：1975-12-09

申请号：US48962474

申请日：1974-07-18

Applicant: JOHNS MANVILLE

Inventor： HARRIS ALLAN ,  HUFF LEMUEL HAMPTON

IPC: B29C57/02 ,  F16L47/08 ,  B29C1/00

CPC classification number: F16L47/08 ,  B29C57/025 ,  Y10S425/218

Abstract: The bell end of a bell and spigot pipe is disclosed herein and includes an inner-circumferential groove within which a circumferential sealing gasket is located. The groove has a particular configuration which provides resistance to gasket displacement during assembly of a bell and spigot joint. In a preferred configuration, the gasket is locked in the groove. This is accomplished, as disclosed herein, by initially forming the groove around a sealing gasket and core section. Thereafter, the groove configuration is altered to provide increased resistance to gasket displacement, preferably to lock the gasket within the groove.

公开(公告)号：US3836622A

公开(公告)日：1974-09-17

申请号：US26799972

申请日：1972-06-30

Applicant: FORSHEDA IDEUTVECKLING AB

Inventor： SPORRE S

IPC: B29C57/02 ,  F16L47/08 ,  B29D3/00

CPC classification number: F16L47/08 ,  B29C57/025 ,  Y10S425/218 ,  Y10T29/4994

Abstract: A method of forming pipes wherein the pipe wall may be constructed from fiber or threaded reinforced plastic and is formed on a mandrel and the pipe wall is provided with an inner annular wall for receiving elements in the form of a ring which is stretched onto the mandrel and the pipe wall is formed around the mandrel and the sealing ring.