Patent classifications
B29C66/52294
ELECTROFUSION JOINT
An electrofusion joint includes a main body and a heating wire. The main body is configured to be connected to a first resin pipe and a second resin pipe containing a thermoplastic resin. The heating wire is disposed in the main body. The heating wire includes a conducting wire and an insulating cover film that is provided around the conducting wire. The insulating cover film has a melting point of at least 230 degrees.
ELECTROFUSION JOINT AND FUSION METHOD
The electrofusion joint includes a tubular main body, a stopper portion, a first heat generating section, and a second heat generating section. The tubular main body includes a joint receiving portion. The stopper portion projects inward on the inner surface of the main body. The first heat generating section includes a heating wire wound and arranged at the joint receiving portion. The second heat generating section includes a heating wire wound so that wound parts are adjacent to each other and the heating wire is disposed in the stopper portion. The first heat generating section includes at least one heat generating portion in which the heating wire is wound so that the wound parts are adjacent to each other.
Pipe manipulation apparatus and methods
A pipe manipulation apparatus having a base frame and a sliding end slidable towards and away from the base frame, each of the base frame and sliding end having at least one pipe support coupled with a press clamp pivotable between an open position and a closed position, wherein in the open position, a pipe is placeable on to the at least one pipe support and, in the closed position, the inner surfaces of the press clamp and the pipe support define a bore in which a lengthwise portion of the pipe is receivable. The pipe manipulation apparatus may be portable, tiltable, and/or rotatable to accommodate pipes of various locations and angles.
ELECTROFUSION JOINT AND FUSION METHOD
The electrofusion joint includes a tubular main body, a stopper portion, a first heat generating section, and a second heat generating section. The tubular main body includes a joint receiving portion. The stopper portion projects inward on the inner surface of the main body. The first heat generating section includes a heating wire wound and arranged at the joint receiving portion. The second heat generating section includes a heating wire wound so that wound parts are adjacent to each other and the heating wire is disposed in the stopper portion. The first heat generating section includes at least one heat generating portion in which the heating wire is wound so that the wound parts are adjacent to each other.
Electrofusion joint
An electrofusion joint includes a main body and a heating wire. The main body is configured to be connected to a resin pipe containing a thermoplastic resin. The heating wire is in the main body. The heating wire includes a conducting wire and an insulating cover film that is around the conducting wire. The insulating cover film has a melting point of at least 230 degrees.
Production line for PFCs with FMDs
A production line for PFCs with FMDs includes a conveyor system, a supply system, and an installation system. The conveyor system is operable to convey PFCs. The supply system includes a roller stage. The roller stage operable to feed FMDs. The installation system includes an installation tool. The installation tool includes a mandrel, a platen, a platen heater, and a platen actuator. The installation tool is configured to receive FMDs from the roller stage in part around the mandrel and in part around the platen, configured to insert into PFCs on the conveyor system, and operable to install FMDs thereto by the operation of the platen heater to heat the platen and the platen actuator to radially expand the platen.
METHOD FOR CONNECTING TWO PLASTIC PIPES TOGETHER, AS WELL AS AN INDUCTION CONNECTING SLEEVE FOR USE IN THE METHOD
To connect two plastic pipes 3 together, an induction connection sleeve 1 is used, which is provided with annular recesses 5 into which the pipes 3 with the ends 3A are pushed. Subsequently, induction heating elements 9 present in the induction connecting sleeve are heated with induction hand pliers 21 and the induction connecting sleeve is pressed against the end 3A of one of the tubes 3. The induction connection sleeve fuses to the tube. Because the induction hand pliers 21 are provided with ribs 27, grooves 19 are pressed into the pipe wall 3B in order to check whether sufficient heating and pressing has taken place over the entire circumference to obtain a gastight connection.