B29D23/003

Electrofusion fittings for lined pipes

A liner bridge for a lined pipeline has bores extending through a tubular wall and terminals fitted in the bores, each terminal being exposed to an inward side of the wall for conducting electricity to an electrofusion element. A sealing interface between each terminal and its surrounding bore has one or more projecting formations of the terminal and at least one complementary formation of the bore engaged with the or each of the projecting formations. The interface can also include a sealing mass in the bore.

Pipe Joint Manufacturing Method and Mold
20220347948 · 2022-11-03 ·

A manufacturing method for manufacturing a pipe joint including a circular tube-shaped housing and an elastically deformable circular tube-shaped seal member provided at an inner peripheral side of the housing. The pipe joint manufacturing method includes a process of placing the seal member inside a mold in a state in which the seal member is fitted to an outer periphery of a retaining pin, and a process of causing a molten resin to flow into the mold so as to mold the housing in a state in which the seal member is cooled through the retaining pin.

TUBE END DETECTION
20170361538 · 2017-12-21 ·

A method, and an apparatus associated therewith, for detecting plastic tube ends clamped in a butt welding machine, the plastic tube ends being planed by means of a plane, which can be introduced between the plastic tube ends, and subsequently being heated by means of a heating mirror, which can be introduced between the plastic tube ends, and the plastic tube ends are welded together after removal of the heating mirror, the plane and/or the heating mirror being tilted in between the plastic tube ends by means of a controlled movement, wherein detection or sensing of the plastic tube ends during the controlled movement of tilting in the plane and/or the heating mirror is carried out by means of at least one sensor arranged on the plane and/or on the heating mirror.

Post mount cable rail installation system
11261606 · 2022-03-01 · ·

An example post mount system may include a mounting pipe having a plurality of threaded holes for securing at least one hardware item, and a support pipe for fitting over the mounting pipe, where the support pipe includes a plurality of holes that are aligned with the plurality of threaded holes of the mounting pipe.

AUTO EXTRUDED SPLIT/SPHERICAL TEE AND FULL ENCIRCLEMENT SADDLE
20220055328 · 2022-02-24 ·

The disclosure describes an automated system and method to manufacture extruded split tees, spherical tees, and full encirclement saddle (FES) component parts. The system and method provide for the manufacture of pipe reinforcement components from raw material plates, comprising: an input storage for the raw material plates; one or more ovens for heating the plates; one or more extrusion presses for extruding the heated raw material plates into one or more pipe reinforcement components and an output storage for the pipe reinforcement components. A robotic device is adapted to automatically access and perform operations at the input storage, at the one or more ovens, at the one or more extrusion presses, and at the output storage.

Inductive welding of plastic objects with electrically interrupted heating means
11254063 · 2022-02-22 · ·

Described is a heating means for thermally connecting two objects each having a plastic material, wherein, during the connecting, a first inner object is surrounded at least partially by a second outer object, and the heating means surrounds the first inner object at least partially along a complete circumferential course around the first inner object, and is located between the first inner object and the second outer object. The heating means has a ribbon-type structure. The ribbon-type structure has an auxiliary heating material, which is inductively heatable, wherein the auxiliary heating material is spatially distributed or arranged along the circumferential course such that an electrical conductivity is interrupted at at least one position along the complete circumferential course around the first inner object. Further described are an arrangement and a system each having such a heating means as well as a method for thermally connecting two plastic objects.

Method of joining pipes and apparatus for facilitating the same
09791085 · 2017-10-17 ·

An apparatus and method for joining pipes includes a plate for melting mating surfaces of the pipes to be joined. Additionally, the apparatus utilizes a vacuum in order to push the first and second pipes together in lieu of hand or mechanical pressure which may be inconsistent. Additionally, the vacuum allows the pipes to be joined to settle on each other in order to create a pressure about a periphery of the end of the pipe being joined to the other pipe. The consistent pressure creates a very strong joint between the first and second pipes.

Tube connectors based on a polyamide composition

A tube connector made from a polyamide composition, the polyamide composition including at least one first polyamide A having an average number of carbon atoms per nitrogen atom C.sub.A and at least one second polyamide B having an average number of carbon atoms per nitrogen atom C.sub.B, wherein C.sub.A≤8.5 and C.sub.B≥7.5, and wherein C.sub.A<C.sub.B. The composition may include a third polyamide C having an average number of carbon atoms per nitrogen atom C.sub.C, wherein C.sub.B≤C.sub.C.

Method for manufacturing a connector
09744693 · 2017-08-29 · ·

A method and apparatus for manufacturing a connector for a container for medical use intended to administer fluid, the connector including a main body defining an inner channel for fluid to pass through and at least one continuous or discontinuous bead, projecting inside the channel. The method includes: a) producing a tubular conduit with no bead projecting inside the channel, b) inserting at least partially into the tubular conduit a mandrel having, on its outer surface, at least one continuous or discontinuous annular recess, whose dimensions and shape correspond to those of a continuous or discontinuous bead to be formed in the inner channel, c) partially heating the tubular conduit, the part including at least the conduit portion placed at the at least one recess when the mandrel has been positioned in the tubular conduit, such that the material of the tubular conduit fills the at least one recess.

Method for producing a tubular hollow body, and tubular hollow body

The invention relates to a method for producing a tubular hollow body (1) with at least three pipe openings, partly or completely consisting of plastics material. It is provided that a lost core pipe (9), which has a connection opening (13, 14) on each of its ends and has at least one docking opening (11) along its length, is produced, that the core pipe (9) is introduced into a cavity of a mold, with two non-lost core pieces (17, 18) being arranged with one of their ends (3, 4) respectively against the connection openings (13, 14) in a sealing manner and a non-lost core part (19) being arranged with one end against the docking opening (11) in a sealing manner, in that plastics material (25) is then introduced into the mold cavity to encapsulate the core pipe (9), the core pieces (17, 18) and the core part (19) and that, once the plastics material (25) has cured, the core pieces (17, 18) and the core part (19) are withdrawn from the hollow body (1) created. The invention also relates to a corresponding hollow body (1).