US 11,940,076 B2
Fitting collar and tube-fitting assemblies incorporating fitting collars
Justin Edward Gill, Everett, WA (US); Daniel L. Moore, Edmonds, WA (US); and Glenn B. Newell, Marysville, WA (US)
Assigned to AVTECHTYEE INC., Everett, WA (US)
Filed by AVTECHTYEE INC., Everett, WA (US)
Filed on Dec. 10, 2021, as Appl. No. 17/548,419.
Application 17/344,669 is a division of application No. 15/616,406, filed on Jun. 7, 2017, granted, now 11,041,585, issued on Jun. 22, 2021.
Application 17/548,419 is a continuation of application No. 17/344,669, filed on Jun. 10, 2021.
Claims priority of provisional application 62/347,513, filed on Jun. 8, 2016.
Prior Publication US 2022/0099228 A1, Mar. 31, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. F16L 47/14 (2006.01); B21D 39/04 (2006.01); C08L 63/00 (2006.01)
CPC F16L 47/14 (2013.01) [B21D 39/04 (2013.01); C08L 63/00 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A tube assembly comprising:
a fitting having a first end opposite a second end;
at least a section of the fitting having an annular outer tapered surface reducing in diameter in a direction axially along an axial direction toward one of said first and second ends;
a tube having a portion over the annular outer tapered surface; and
an annular collar having an inner surface over an outer surface of the portion of the tube, wherein the collar in cross-section as viewed along a plane extending axially along a diameter of the collar comprises a first section and a second section radially adjacent to the first section, wherein the second section surrounds the first section, wherein said collar comprises a fiber reinforced composite material comprising fibers and resin, wherein substantially all fibers forming one of the first and second sections are axially oriented, and wherein the other of the first and second sections comprises fibers oriented generally transverse to the axial direction.