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1. (WO2018226974) SEATING ARRANGEMENT AND METHOD OF CONSTRUCTION
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The invention claimed is:

1. A seating arrangement, comprising:

a base member; and

an integrally formed support member coupled to the base member and supporting a seat moveable from an upright position to a reclined position, wherein a portion of the support member is bendable as the seat moves from the upright position to the reclined position such that a first side of the support member is put in tension and a second side generally opposite the first side is put in compression, and wherein the first side includes a tensile substrate so that the first side has a higher modulus of elasticity than the second side.

2. The seating arrangement of claim 1, wherein the portion of the support member that is bendable is positioned rearward of the base member.

3. The seating arrangement of either one of claims 1 and 2, wherein the first side is an upper side of the support member.

4. The seating arrangement of any one of claims 1-3, wherein the tensile substrate includes elongate fiberglass strands.

5. The seating arrangement of claim 4, wherein the fiberglass strands are in-molded within a thermoplastic.

6. The seating arrangement of claim 1, wherein the support member is positioned forwardly of the base member.

7. The seating arrangement of claim 6, further comprising:

a rear member extending between the base and the seat, wherein the base member, the support member, the seat and the rear member cooperate to form a flexible, four-bar arrangement.

8. The seating arrangement of either one of claims 6 and 7, wherein the rear member is substantially rigid.

9. The seating arrangement of claim 1, wherein the tensile substrate includes plurality of strands.

10. The seating arrangement of claim 9, wherein the plurality of strands includes glass fiber.

11. The seating arrangement of either one of claims 9 and 10, wherein the plurality of strands extend in a substantially fore-to-aft direction.

12. The seating arrangement of any one of claims 1-11, wherein all the tensile substrate is located in the first side.

13. The seating arrangement of any one of claims 1-12, wherein the bendable portion of the support member comprises a thermoplastic.

14. The seating arrangement of claim 13, wherein the tensile substrate comprise a material configured to bond to the thermoplastic.

15. The seating arrangement of any one of claims 1-14, wherein the bendable portion of the support member has a modulus of elasticity of greater than or equal to about 1,600,000 psi.

16. A seating arrangement, comprising:

a first portion of a seating component;

a second portion of the seating component movable with respect to the first portion between a first position and a second position; and

a transition portion of the seating component positioned between and integral with the first and second portions and configured to deform as the second portion is moved between the first and second position, the transition portion including a side in tension as the transition portion is deformed, a side under compression as the transition portion is deformed and a plurality of longitudinally-aligned strands where a majority of the plurality of strands of the transition portion are positioned in the side in tension, wherein the plurality of strands bias the second portion from the second position toward the first position.

17. The seating arrangement of claim 16, further comprising:

a seat shell that includes the first portion, the second portion and the transition portion.

18. The seating arrangement of either of claims 16 and 17, wherein the first portion includes a seat portion configured to support a seated user, and the second portion includes a back portion extending substantially upward from the seat portion.

19. The seating arrangement of any one of claims 16-18, further comprising:

a back configured to support the back of a seated user, wherein the transition portion flexes as a back of the seating arrangement moves between an upright position and a reclined position and biases the back from the from the reclined position toward the upright position.

20. The seating arrangement of any one of claims 16-19, wherein the plurality of strands include glass fiber.

21. The seating arrangement of any one of claims 16-20, wherein the plurality of strands extend in a substantially fore-to-aft direction.

22. The seating arrangement of any one of claims 16-21, wherein all of the plurality of strands are located in the side in tension of the transition portion.

23. The seating arrangement of any one of claims 16-22, wherein the transition portion comprises a thermoplastic.

24. The seating arrangement of claim 23, wherein the plurality of strands comprise a material configured to bond to the thermoplastic.

25. The seating arrangement of any one of claims 16-24, wherein the transition portion has a modulus of elasticity of greater than or equal to about 1,600,000 psi.

26. The seating arrangement of any one of claims 16-25, further comprising:

a seat shell that includes a seat portion connected to the first portion and a back portion connected to the second portion, wherein the seat shell is separate from the first portion, the second portion and the transition portion.

27. The seating arrangement of claim 26, wherein the seat portion and the back portion are an integral, single piece.

28. A seating arrangement, comprising:

a base member; and

an integrally formed support member coupled to the base member and supporting a seat moveable from an upright position to a reclined position, wherein a first portion of the support member positioned rearward ly of the base member is bendable such that an upper layer of the first portion is put in tension, and wherein a second portion of the support member positioned forwardly of the base member is bendable such that a lower layer of the second portion is put in tension, wherein the upper layer of the first portion and the lower layer of the second portion includes at least one tensile substrate.

29. The seating arrangement of claim 28, wherein the at least one tensile substrate includes a plurality of elongated strands.

30. The seating arrangement either one of claims 28 and 29, wherein the at least one tensile substrate includes glass fiber.

31. The seating arrangement of claim 29, wherein the plurality of elongated strands are in-molded within a thermoplastic.

32. The seating arrangement of claim 28, further comprising:

a rear member extending between the base and the seat, wherein the base member, the support member, the seat and the rear member cooperate to form a flexible, four-bar arrangement.

33. The seating arrangement of claim 32, wherein the rear member is substantially rigid.

34. The seating arrangement of either one of claims 29-32, wherein the plurality of strands extend in a substantially fore-to-aft direction.

35. The seating arrangement of any one of claims 28-34, wherein at least one of the first and second portions comprise a thermoplastic.

36. The seating arrangement of claim 35, wherein the tensile substrate comprise a material configured to bond to the thermoplastic.

37. The seating arrangement of any one of claims 28-36, wherein at least one of the first and second portions has a modulus of elasticity of greater than or equal to about 1,600,000 psi.

38. A method of constructing a seating arrangement, comprising:

providing a first material comprising a plurality of strands extending lengthwise with respect to one another;

placing the first material in a mold; and

molding a second material to the first material to form a seating component having a first portion, a second portion, and a deformable transition portion positioned between the first and second portions, a side in tension as the transition portion is deformed and a side under compression as the transition portion is deformed, wherein a majority of the strands are positioned in the side in tension.

39. The method of claim 38, wherein the first portion includes a seat portion configured to support a seated user, and the second portion includes a back portion extending substantially upward from the seat portion.

40. The method of claim 38, wherein the seating component includes a back configured to support the back of a seated user, wherein the transition portion flexes as a back of the seating arrangement moves between an upright position and a reclined position and biases the back from the from the reclined position toward the upright position.

41. The method of any one of claims 38-40, wherein the plurality of strands include glass fiber.

42. The method of any one of claims 38-41, wherein the plurality of strands include carbon fiber.

43. The method of any one of claims 38-42, wherein the plurality of strands extend in a substantially fore-to-aft direction.

44. The method of any one of claims 38-43, wherein the transition portion comprises a thermoplastic.

45. The method of any one of claims 38-44, wherein the plurality of strands comprise a material configured to bond to the thermoplastic.

46. The method of any one of claims 38-45, wherein the transition portion has a modulus of elasticity of greater than or equal to about 1,600,000 psi.

47. The method of any one of claims 38-46, wherein all of the plurality of strands are located in the side in tension.

48. The method of claim 45, further comprising:

providing a seat shell that includes a seat portion connected to the first portion and a back portion connected to the second portion, wherein the seat shell is separate from the first portion, the second portion and the transition portion.

49. The method of claim 48, wherein the seat portion and the back portion are an integral, single piece.

50. A method of making a reinforced chair component, comprising:

positioning a first section of glass fiber tape on a first side of a mold;

positioning a second section of glass fiber tape on a second side of the mold such that the two sections of tape are at least partially spaced apart from one another within the mold; and

injecting a polymeric material into the mold over the first and second sections of tape to mold the component, wherein the first section of tape is positioned adjacent a first surface of the component and the second section of tape is positioned adjacent a separate surface of the component at least partially spaced apart from one another in the molded component.

51. The method of claim 50, wherein the first section of tape and the second section of tape are spaced apart in different planes.

52. The method of claim 51, wherein the planes are in a spaced, substantially parallel relation to one another.

53. The method of either one of claims 51 and 52, further comprising: a tape carrier that includes a central carrier portion, and wherein the first and second sections extend in opposite directions from the central carrier portion.

54. The method of any one of claims 50-53, wherein the first and second sections are entirely spaced from one another.

55. The method of any one of claims 50-54, wherein the first tape and the second tape are separate from one another.

56. The method of any one of claims 50-55, wherein glass fibers of the glass fiber tape are longitudinally aligned with one another.

57. The method of any one of claims 50-56, wherein the first section of the glass fiber tape is positioned in a first area of the component that is in tension, and the second section of the glass fiber tape is position in a second area of the component that is in tension.

58. The method of any one of claims 50-57, wherein the first surface is an upper surface and the second surface is a bottom surface.

59. A seating arrangement, comprising:

a seat portion configured to support a seated user;

a back portion extending substantially upward from the seat portion and movable with respect to the portion between an upright position and a reclined position; and a biasing member that is separate from the seat portion and the back portion and that includes a stranded material and a side in tension and a side in compression as the back portion is moved from the upright position toward the reclined position, wherein the stranded material includes a plurality of longitudinally-extending strands, wherein a majority of the plurality of strands are located within the first side, and wherein the biasing member biases the back portion from the reclined position to the upright position.

60. The seating arrangement of claim 59, further comprising:

a transition portion positioned between and connected to the portions, the transition portion includes the side in tension and side under compression configured to deflect as the second portion is moved between the first and second positions.

61. The seating arrangement of claim 60, wherein the first, second and transition portions are a single, integral piece.

62. The seating arrangement of either one of claims 60 and 61, wherein the transition portion comprises a thermoplastic.

63. The seating arrangement of any one of claims 59-62, wherein the plurality of strands comprise a material configured to bond to the thermoplastic.

64. The seating arrangement of any one of claims 1-49 and 59-63, wherein the thermoplastic includes at least one of polypropylene, nylon 6 and nylon 66.

65. The seating arrangement of any one of claims 60-64, wherein the transition portion has a modulus of elasticity of greater than or equal to about 1,600,000 psi.

66. The seating arrangement of any one of claims 59-65, wherein the plurality of strands include glass fiber.

67. The seating arrangement of any one of claims 59-66, wherein the plurality of strands extend in a substantially fore-to-aft direction.

68. The seating arrangement of any one of claims 1-49 and 59-67, wherein the seating arrangement comprises an office chair assembly.