Patent ID: 11856981
Assignee: R.Y.L. INC.
Field: Other special machines (Mechanical engineering)
Classification: CPC A  C | IPC A  C

Claim 9:
10. The method defined by claim 1 further comprising:
before said removing said rollers and said pivoting rod and applying said heat to said one end of said tube, removing said rollers and pivoting rod and applying second heat to a second section of said tube adjacent said first section;
after said applying said second heat, squeezing said second section with said tapered rollers and reinserting said pivoting rod into said one end of said tube;
rotating said pivoting rod after said inserting, wherein said first end rotates around a circumference smaller than a circumference around which said second end rotates;
removing said rollers and pivoting rod and applying third heat to third section of said tube;
after said applying third heat, squeezing said third heated section with said tapered rollers and reinserting said pivoting rod into said end of said tube corresponding to said third heated portion, said rotating said pivoting rod after said reinserting.