1. A system for forming a pipe carcass, the system comprising:
a first series of forming rollers configured for forming a primary carcass strip material; and
a second series of forming rollers configured for forming a second strip material into a shape different than the primary carcass strip material,
wherein the primary carcass strip material and the second strip material, after being fed through the first and second series of rollers, respectively, are each fed concurrently into a plurality of winding rolls for assembly with one another.
2. The system of claim 1, further comprising a main rotor being rotatable about a pivot axis, wherein the plurality of winding rolls are coupled to a front face of the main rotor.
3. The system of claim 1, further comprising a main rotor being rotatable about a pivot axis, wherein the first and second series of forming rollers are coupled to a front face of the main rotor.
4. The system of claim 3, wherein the second series of forming rollers are disposed on the front face of the main rotor in a concave shape relative to a pivot axis of the main rotor.
5. The system of claim 1, further comprising a main rotor being rotatable about a pivot axis, wherein a spool for holding the second strip material is coupled to a front face of the main rotor.
6. The system of claim 1, further comprising a main rotor being rotatable about a pivot axis, wherein the second series of forming rollers are at a location spaced apart from a front face of the main rotor.
7. The system of claim 1, further comprising a main rotor being rotatable about a pivot axis, wherein a spool for holding the second strip material is spaced apart from a front face of the main rotor.
8. The system of claim 1, wherein the second strip material is guided in a pathway that is both circumferentially and axially offset from the primary carcass strip material.
9. The system of claim 1, further comprising at least one dancer roller associated with the primary carcass strip material, and at least one additional dance roller associated with the second strip material.
10. The system of claim 1, wherein the second strip material comprises a plurality of different sections, wherein a first section of the second strip material at least partially overlaps with a second section of the second strip material.
11. The system of claim 10, wherein the first and second sections of the second strip material each comprise a first segment that is generally parallel to a horizontal axis, and a second segment that is also generally parallel to the horizontal axis yet vertically offset from the first segment, wherein the second segment of the first section at least partially overlaps with the first segment of the second section in an assembled state.
12. The system of claim 11, wherein at least one of the first and second sections of the second strip material further comprises a nesting segment disposed between the first and second segments, wherein the nesting segment extends into a gap of the primary carcass strip in an assembled state.
13. The system of claim 12, wherein first and second portions of the nesting segment are angled relative to each other.
14. The system of claim 11, wherein at least one of the first and second sections of the second strip material further comprises a nesting segment disposed at an end of the first segment that is opposite the end at which the second segment is positioned, wherein the nesting segment extends into a gap of the primary carcass strip in an assembled state.
15. The system of claim 14, wherein the nesting segment is angled relative to the first segment.
16. A method for forming a pipe carcass, the method comprising:
forming a primary carcass strip material using a first series of forming rollers;
forming a second strip material into a shape different than the primary carcass strip material using a second series of forming rollers; and
subsequently feeding the primary carcass strip material and the second strip material into a plurality of winding rolls for assembly with one another.
17. The method of claim 16, wherein the second series of forming rollers are at a location spaced apart from a front face of a main rotor.
18. The method of claim 16, wherein a spool for holding the second strip material is spaced apart from a front face of a main rotor.
19. A system for forming a pipe carcass, the system comprising:
a primary carcass strip material; and
a second strip material having a shape different than the primary carcass strip material,
wherein the primary carcass strip material and the second strip material are each fed concurrently into a plurality of winding rolls for assembly with one another, and
wherein the second strip material comprises a plurality of different sections, wherein a first section of the second strip material at least partially overlaps with a second section of the second strip material.
20. The system of claim 19, wherein the first and second sections of the second strip material each comprise a first segment that is generally parallel to a horizontal axis, a second segment that is also generally parallel to the horizontal axis yet vertically offset from the first segment, wherein the second segment of the first section at least partially overlaps with the first segment of the second section in an assembled state.
21. The system of claim 20, wherein at least one of the first and second sections of the second strip material further comprises a nesting segment disposed between the first and second segments, wherein the nesting segment extends into a gap of the primary carcass strip in an assembled state.
22. The system of claim 21, wherein first and second portions of the nesting segment are angled relative to each other.
23. The system of claim 20, wherein at least one of the first and second sections of the second strip material further comprises a nesting segment disposed at an end of the first segment that is opposite the end at which the second segment is positioned, wherein the nesting segment extends into a gap of the primary carcass strip in an assembled state.
24. The system of claim 23, wherein the nesting segment is angled relative to the first segment.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A compound of formula B:
or a pharmaceutically acceptable salt thereof,
wherein,
R1 is
which is substituted with 1-4 substituents, selected from alkoxy,
R2 is hydrogen or alkyl;
R3 is hydrogen or methyl;
R4 is hydrogen or methyl; and
R6 is hydrogen.
2. A compound of formula C:
or a pharmaceutically acceptable salt thereof,
wherein,
R1 is heteroaryl, which is substituted with 1-4 substituents, selected from alkoxy,
R2 is hydrogen or methyl;
R3 is hydrogen;
R4 is hydrogen; and
R6 is hydrogen.
3. A compound of formula D:
or a pharmaceutically acceptable salt thereof,
wherein,
R1 is heteroaryl, wherein R1 is substituted-with 1-4 substituents, selected from alkoxy,
R2 is hydrogen or alkyl;
R6 is hydrogen or alkyl;
each R7 is independently alkyl, alkenyl, aryl, arylalkyl, heteroaryl, heterocycloalkyl, cycloalkyl, alkoxy, NH(alkyl), NH(aryl), N(alkyl)(alkyl), N(alkyl)(aryl), halo, nitro, or cyano; and
p is 0-6.