Patent ID: 11891548
Assignee: MDCM SOLUTIONS, LLC
Field: Other special machines (Mechanical engineering)
Classification: CPC C  A  B | IPC A  B  C

Claim 0:
1. A process for concentrically bonding tubes comprising:
a. providing a first outer tube having a first outside surface of a first outer diameter, and a first lumen defined by a first inside surface of a first inner diameter;
b. providing a second tube made from a fluoropolymer and having a second outside surface of a second outer diameter, said second outer diameter being smaller than the first inner diameter, and a second lumen defined by a second inside surface of a second inner diameter;
c. inserting a core into the second lumen and temporarily securing the second tube in place on the core;
d. feeding the core and the second tube through an extrusion apparatus adapted to create an adhesive layer on the second outside surface;
e. inserting the second tube into the first lumen so that the second outside surface is in face-to face registration with the first inside surface with the adhesive layer residing there between; and
f. applying a heat source to melt the adhesive layer without damaging either of the first tube and the second tube, and then removing the heat source thereby allowing the adhesive layer to cool and form a bond between the first inside surface and the second outside surface.