Hollow structural rod and production method thereof

25:

• A hollow structural connecting rod of claim 24, wherein each of the first and second hollow shanks is made via flow-turning.

26:

• A hollow structural connecting rod as claimed in claim 24, wherein the joint is a weld seam.

27:

• A hollow structural connecting rod of claim 26, wherein the joint is a weld seam produced by friction.

28:

• A hollow structural connecting rod as claimed in claim 24, wherein the first and second hollow shanks each have a joint end having an added thickness of material.

29:

• A hollow structural connecting rod as claimed in claim 24, wherein the first and second hollow shanks each have a cylindrical internal surface and a cylindrical external surface.

30:

• A hollow structural connecting rod as claimed in claim 24, wherein the first and second hollow shanks each have a cylindrical internal surface and a non-cylindrical external surface.

31:

• A hollow structural connecting rod of claim 30, wherein the non-cylindrical external surface of the first and second hollow shanks has a substantially conical shape.

32:

• A hollow structural connecting rod as claimed in claim 24, wherein the first and second connecting rod elements each have an area of transition between the hollow shanks and the end fitting that has a conical exterior shape.

33:

• A hollow structural connecting rod as claimed in claim 24, wherein the first and second connecting rod elements each have an area of transition between the hollow shanks and the end fitting concerned, the area of transition including a recess made in an internal side face of the hollow shank delimiting an empty space therein.

35:

• A method of manufacturing a hollow structural connecting rod of claim 34, wherein the assembling the first and second hollow shanks to one another is carried out via welding.

36:

• A method of manufacturing a hollow structural connecting rod of claim 35, wherein the assembling the first and second hollow shanks to one another is carried out via friction welding.

37:

• A method of manufacturing a hollow structural connecting rod as claimed in claim 34, wherein the manufacturing the pre-forms is carried out so that each of the pre-forms has an added thickness of material at a joint end.

38:

• A method of manufacturing a hollow structural connecting rod as claimed in claim 34, wherein the manufacturing the pre-forms is carried out so that each of the pre-forms has a cylindrical internal surface into which a rotating mandrel can be inserted during the producing the first and second hollow shanks via flow-turning.

39:

• A method of manufacturing a hollow structural connecting rod as claimed in claim 34, wherein the producing the first and second hollow shanks from the pre-forms, via flow-turning, is carried out so that each of the first and second hollow shanks has a cylindrical external surface.

40:

• A method of manufacturing a hollow structural connecting rod as claimed in claim 34, wherein the producing the first and second hollow shanks from the pre-forms, via flow-turning, is carried out so that each of the first and second hollow shanks has a non-cylindrical external surface.

41:

• A method of manufacturing a hollow structural connecting rod of claim 40, wherein the producing the first and second hollow shanks from the pre-forms, via flow-turning, is carried out so that each of the first and second hollow shanks has a substantially conical external surface.

42:

• A method of manufacturing a hollow structural connecting rod as claimed in claim 34, wherein the assembling the first and second hollow shanks to one another is followed by producing the first and second end fittings via machining, the machining being performed in an end fitting portion of each of the pre-forms.

43:

• A method of manufacturing a hollow structural connecting rod of claim 42, wherein the producing the first and second end fittings via machining is carried out so that the first and second connecting rod elements each have an area of transition between the hollow shank and the end fitting concerned, which has a conical exterior shape.

44:

• A method of manufacturing a hollow structural connecting rod as claimed in claim 34, wherein, prior to at least one of the assembling the first and second hollow shanks to one another and the producing the first and second hollow shanks via flow-turning, the method further comprises, for each of the first and second connecting rod elements, producing via machining a recess in an internal side face of a hollow shank portion of the pre-form, an internal side face delimiting an empty space of the hollow shank portion.

45:

• A method of manufacturing a hollow structural connecting rod as claimed in claim 34, wherein the manufacturing the two pre-forms are each carried out using a solid, cylindrically-shaped element.

46:

• An assembly system configured to be interposed between an aircraft engine mounting structure and an engine, the assembly system comprising:
• a plurality of engine fasteners and connecting rods for taking up thrust forces produced by the engine,
• wherein each of the connecting rods for taking up the thrust forces is a hollow structural connecting rod as claimed in claim 24.