1460899735-65e157e5-013d-46a6-869e-7309191936e3

1. A process for producing a resin composition, comprising steps of:
(1) melt-kneading an ethylene copolymer containing an ethylene unit and a glycidyl group-carrying monomer unit with a modified polyolefin resin produced by modifying a polyolefin resin with an unsaturated carboxylic acid andor an unsaturated carboxylic acid derivative, thereby making a melted resin; and
(2) melt-kneading the melted resin with a polyester fiber at a temperature lower than a melting point of the polyester fiber;

wherein the resin composition contains 100 parts by weight of the polyester fiber, 1 to 600 parts by weight of the ethylene copolymer, and 0.3 to 500 parts by weight of the modified polyolefin resin, and contents Bx, By, Cx and Cy satisfy following formula (1),
0.05\u2266Cx\xb7CyBx\xb7By\u22660.5\u2003\u2003(1)
Bx being a content of the ethylene copolymer in the resin composition; By being a content of the glycidyl group-carrying monomer unit in the ethylene copolymer; Cx being a content of the modified polyolefin resin in the resin composition; and Cy being a content of a unit of the unsaturated carboxylic acid andor a unit of the unsaturated carboxylic acid derivative in the modified polyolefin resin.
2. The process according to claim 1, wherein step (1) melt-kneads further 30 to 850 parts by weight of a polyolefin resin, per 100 parts by weight of the polyester fiber.
3. A process for producing a resin composition, comprising steps of:
(1) melting an ethylene copolymer containing an ethylene unit and a glycidyl group-carrying monomer unit, or a modified polyolefin resin produced by modifying a polyolefin resin with an unsaturated carboxylic acid andor an unsaturated carboxylic acid derivative, thereby making a melted resin;
(2) melt-kneading the melted resin with a polyester fiber at a temperature lower than a melting point of the polyester fiber, thereby making a mixture; and
(3) melt-kneading the mixture with the ethylene copolymer or the modified polyolefin resin, whichever is not utilized in step (1), at a temperature lower than a melting point of the polyester fiber;

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. An apparatus for pumping or compressing a fluid, the apparatus comprising:
a housing having a front wall, a rear wall and one or more side walls interconnecting the front and rear walls to define a fluid rotation chamber;
at least one inlet;
an impeller located at least partially within the at least one inlet such that at least a portion of the impeller extends outwardly beyond at least
a portion of the housing; and
at least one outlet,

wherein rotation of the impeller causes fluid entering the apparatus through the at least one inlet to rotate within the fluid rotation chamber prior to exiting the apparatus through the at least one outlet.
2. An apparatus according to claim 1 wherein the housing is substantially cylindrical.
3. An apparatus according to claim 1 wherein the at least one inlet is located substantially centrally in the front wall.
4. An apparatus according to claim 1 wherein the front wall comprises a raised portion at or adjacent the at least one inlet that projects outwardly from a surface of the front wall.
5. An apparatus according to claim 4 wherein the impeller is located at least partially within the raised portion.
6. An apparatus according to claim 1 wherein the at least one outlet is located tangentially to the direction of rotation of fluid within the fluid rotation chamber.
7. An apparatus according to claim 1 wherein the at least one outlet is located at a point in the housing remote from the at least one inlet.
8. An apparatus according to claim 1 wherein the at least one outlet is in fluid communication with an outlet passageway, the outlet passageway being substantially square or rectangular in cross-section along at least a portion of its length.
9. An apparatus according to claim 1 wherein the impeller comprises a discharge portion located within the fluid rotation chamber.
10. An apparatus for pumping or compressing a fluid, the apparatus comprising:
a housing having a front wall, a rear wall and one or more side walls interconnecting the front and rear walls to define a fluid rotation chamber;
at least one inlet;
rotation means adapted to impart rotation to fluid entering the apparatus; and
at least one outlet,

wherein rotation of the rotation means causes fluid entering the apparatus through the at least one inlet to rotate within the fluid rotation chamber prior to exiting the apparatus through the at least one outlet.
11. An apparatus according to claim 10 wherein the rotation means comprises one or more impellers, magnetic or magnetizable members, water jets, or any combination thereof.
12. An apparatus according to claim 10 wherein the at least one inlet is located substantially centrally in the front wall.
13. An apparatus according to claim 10 wherein the rotation means is located wholly within the fluid rotation chamber.
14. An apparatus according to claim 10 wherein the rotation means is located adjacent the rear wall of the fluid rotation chamber.
15. An apparatus according to claim 14 wherein the apparatus is provided with anti-cavitation means extending between the rotation means and the front wall of the fluid rotation chamber.
16. An apparatus according to claim 15 wherein the front wall of the fluid rotation chamber is provided with one or more recesses adapted to receive a at least a portion of the anti-cavitation means.
17. An apparatus for pumping or compressing a fluid, the apparatus comprising:
a housing having a front wall, a rear wall and one or more side walls interconnecting the front and rear walls to define a fluid rotation chamber;
at least one inlet;
an impeller located at least partially within the at least one inlet; and
at least one outlet,

wherein rotation of the impeller causes fluid entering the apparatus through the at least one inlet to rotate within the fluid rotation chamber prior to exiting the apparatus through the at least one outlet, and wherein the angle at which the front and rear walls join the one or more side walls is substantially a right angle.
18. An apparatus according to claim 17 wherein the cross-sectional shape of the fluid rotation chamber is square or rectangular.
19. An apparatus according to claim 17 wherein the at least one inlet is located substantially centrally in the front wall.
20. An apparatus according to claim 1 wherein the apparatus further comprises one or more outlet tubes having a first end located within the fluid rotation chamber and a second end located at or beyond the at least one outlet.
21. An apparatus according to claim 20 wherein each of the at least one outlets is provided with one or more outlet tubes.
22. An apparatus according to claim 10 wherein the apparatus further comprises one or more outlet tubes having a first end located within the fluid rotation chamber and a second end located at or beyond the at least one outlet.
23. An apparatus according to claim 22 wherein each of the at least one outlets is provided with one or more outlet tubes.
24. An apparatus according to claim 17 wherein the apparatus further comprises one or more outlet tubes having a first end located within the fluid rotation chamber and a second end located at or beyond the at least one outlet.
25. An apparatus according to claim 24 wherein each of the at least one outlets is provided with one or more outlet tubes.
26. An apparatus according to claim 1 wherein the apparatus further comprises anti-cavitation means.
27. An apparatus according to claim 26 wherein the anti-cavitation means is adapted to rotate within the fluid rotation chamber.
28. An apparatus according to claim 26 wherein the anti-cavitation means is attached to the impeller.
29. An apparatus according to claim 10 wherein the apparatus further comprises anti-cavitation means.
30. An apparatus according to claim 29 wherein the anti-cavitation means is adapted to rotate within the fluid rotation chamber.
31. An apparatus according to claim 29 wherein the anti-cavitation means is attached to the impeller.
32. An apparatus according to claim 17 wherein the apparatus further comprises anti-cavitation means.
33. An apparatus according to claim 32 wherein the anti-cavitation means is adapted to rotate within the fluid rotation chamber.
34. An apparatus according to claim 32 wherein the anti-cavitation means is attached to the impeller.
35. An apparatus according to claim 1 wherein rotation of the impeller or rotation means is actuated by a motor having a motor shaft that associated the impeller or rotation means.
36. An apparatus according to claim 35 wherein the motor shaft is provided with sealing means adapted to prevent fluid leakage from within the apparatus entering the motor.
37. An apparatus according to claim 36 wherein the sealing means comprises an annular seal having one or more angled surfaces on its external anor internal surfaces, the annular seal being adapted to seal against the motor shaft as the motor shaft rotates.
38. An apparatus according to claim 10 wherein rotation of the impeller or rotation means is actuated by a motor having a motor shaft that associated the impeller or rotation means.
39. An apparatus according to claim 38 wherein the motor shaft is provided with sealing means adapted to prevent fluid leakage from within the apparatus entering the motor.
40. An apparatus according to claim 39 wherein the sealing means comprises an annular seal having one or more angled surfaces on its external anor internal surfaces, the annular seal being adapted to seal against the motor shaft as the motor shaft rotates.
41. An apparatus according to claim 17 wherein rotation of the impeller or rotation means is actuated by a motor having a motor shaft that associated the impeller or rotation means.
42. An apparatus according to claim 41 wherein the motor shaft is provided with sealing means adapted to prevent fluid leakage from within the apparatus entering the motor.
43. An apparatus according to claim 42 wherein the sealing means comprises an annular seal having one or more angled surfaces on its external anor internal surfaces, the annular seal being adapted to seal against the motor shaft as the motor shaft rotates.