IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0992655
(2001-11-13)
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발명자
/ 주소 |
- Roesch, Mark A.
- Revlock, Sr., Dennis P.
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출원인 / 주소 |
- The Lamson & Sessions Co.
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대리인 / 주소 |
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인용정보 |
피인용 횟수 :
18 인용 특허 :
63 |
초록
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A gangable electrical unit for positioning an electrical component beside an electrical outlet box includes a bracket with a wall structure and means for mounting the wall structure of the bracket on a wall of an electrical outlet box. In one embodiment, the means for mounting the wall structure of
A gangable electrical unit for positioning an electrical component beside an electrical outlet box includes a bracket with a wall structure and means for mounting the wall structure of the bracket on a wall of an electrical outlet box. In one embodiment, the means for mounting the wall structure of the bracket on a wall of an electrical outlet box is a pair of clips associated with the wall structure of the bracket for resiliently grasping a wall of an electrical outlet box when positioned adjacent thereto. In another embodiment, the means for mounting the wall structure of the bracket on a wall of an electrical outlet box is an adhering element positioned on an outward facing wall of the bracket. The clips and adhering element may be used simultaneously to adjoin the gangable unit to an electrical outlet box. A further embodiment includes a break-away stop extending outwardly from the wall structure of the bracket. The invention also relates to a ganged electrical outlet box incorporating the gangable electrical unit.
대표청구항
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A gangable electrical unit for positioning an electrical component beside an electrical outlet box includes a bracket with a wall structure and means for mounting the wall structure of the bracket on a wall of an electrical outlet box. In one embodiment, the means for mounting the wall structure of
A gangable electrical unit for positioning an electrical component beside an electrical outlet box includes a bracket with a wall structure and means for mounting the wall structure of the bracket on a wall of an electrical outlet box. In one embodiment, the means for mounting the wall structure of the bracket on a wall of an electrical outlet box is a pair of clips associated with the wall structure of the bracket for resiliently grasping a wall of an electrical outlet box when positioned adjacent thereto. In another embodiment, the means for mounting the wall structure of the bracket on a wall of an electrical outlet box is an adhering element positioned on an outward facing wall of the bracket. The clips and adhering element may be used simultaneously to adjoin the gangable unit to an electrical outlet box. A further embodiment includes a break-away stop extending outwardly from the wall structure of the bracket. The invention also relates to a ganged electrical outlet box incorporating the gangable electrical unit. the FVAUL free volume of the absorbent composition is about 20% to about 50%. 12. The absorbent composition of claim 1, wherein the FVAUL free volume of the absorbent composition is about 25% to about 50%. 13. The absorbent composition of claim 1, wherein the surface crosslinked polymer is evenly disbursed within the fibrous matrix. 14. The absorbent composition of claim 1, wherein the surface crosslinked polymer is poly(acrylic acid). 15. The absorbent composition of claim 1, wherein the surface crosslinked polymer comprises about 95% by weight of poly(acrylic acid) and about 3% by weight of a crosslinking agent. 16. The absorbent composition of claim 15, wherein the crosslinking agent is methylene bisacrylamide. 17. The absorbent composition of claim 15, wherein the surface crosslinked polymer additionally comprises a neutralizing agent. 18. The absorbent composition of claim 17, wherein the neutralizing agent is triethanol amine. 19. The absorbent composition of claim 1, wherein the wettable fibers are selected from the group consisting of natural fibers, synthetic fibers, and combinations thereof. 20. The absorbent composition of claim 1, wherein the wettable fibers are selected from the group consisting of wood pulp (fluff), cotton linters, polyethylene, polypropylene, polyesters, copolymers of polyesters and polyamides, and combinations thereof. 21. The absorbent composition of claim 1, wherein the wettable fibers are selected from the group consisting of wood pulp fibers, meltblown synthetic fibers and combinations thereof. 22. An absorbent composition prepared by the process comprising: providing a first layer of wettable fibers; distributing on the first layer of wettable fibers a layer of surface crosslinked polymer; providing a second layer of wettable fibers on top of the layer of surface crosslinked polymer; and calendaring said layers to form the wettable fibers into a fibrous matrix having the surface crosslinked polymer disbursed therein, said surface crosslinked polymer comprising about 70% by weight to about 95% by weight the absorbent composition and said wettable fibers comprising about 5% by weight to about 30% by weight of the absorbent composition, said absorbent composition having a Finite Volume Absorbency Under Load (FVAUL) value of at least about 60 cc after 10 minutes, said FVAUL value being determined by Finite Volume Absorbency Under Load Method. 23. The absorbent composition of claim 22, wherein the surface crosslinked polymer is bipolar. 24. The absorbent composition of claim 22, wherein the surface crosslinked polymer provides minimal gel-blocking properties upon absorption of liquid. 25. The absorbent composition of claim 22, wherein the surface crosslinked polymer constitutes about 85% by weight to about 95% by weight of the combined weight of the fiberous matrix and the surface crosslinked polymer. 26. The absorbent composition of claim 22, wherein the surface crosslinked polymer constitutes about 90% by weight to about 95% by weight of the combined weight of the fiberous matrix and the surface crosslinked polymer. 27. The absorbent composition of claim 22, wherein said wettable fibers constitute about 5% by weight to about 15% by weight of the combined weight of the fiberous matrix and the surface crosslinked polymer. 28. The absorbent composition of claim 22, wherein said wettable fibers constitute about 5% by weight to about 10% by weight of the combined weight of the fiberous matrix and the surface crosslinked polymer. 29. The absorbent composition of claim 22, wherein the surface crosslinked polymer comprises a mixed-bed ion-exchange superabsorbent polymer composition. 30. The absorbent composition of claim 22, wherein the FVAUL free volume of the absorbent composition is about 20% to about 70%. 31. The absorbent composition of claim 22, wherein the FVAUL free volume of the absorbent composition is about 20% to about 60%. 32. The absorbent composition of claim 22, wherein the FV AUL free volume of the absorbent composition is about 20% to about 50%. 33. The absorbent composition of claim 22, wherein the FVAUL free volume of the absorbent composition is about 25% to about 50%. 34. The absorbent composition of claim 22, wherein the surface crosslinked polymer is evenly disbursed within the fibrous matrix. 35. The absorbent composition of claim 22, wherein the surface crosslinked polymer is poly(acrylic acid). 36. The absorbent composition of claim 22, wherein the surface crosslinked polymer comprises about 95% by weight of poly(acrylic acid) and about 3% by weight of a crosslinking agent. 37. The absorbent composition of claim 36, wherein the crosslinking agent is methylene bisacrylamide. 38. The absorbent composition of claim 36, wherein the surface crosslinked polymer additionally comprises a neutralizing agent. 39. The absorbent composition of claim 38, wherein the neutralizing agent is triethanol amine. 40. The absorbent composition of claim 22, wherein the wettable fibers are selected from the group consisting of natural fibers, synthetic fibers, and combinations thereof. 41. The absorbent composition of claim 22, wherein the wettable fibers are selected from the group consisting of wood pulp (fluff), cotton linters, polyethylene, polypropylene, polyesters, copolymers of polyesters and polyamides, and combinations thereof. 42. The absorbent composition of claim 22, wherein the wettable fibers are selected from the group consisting of wood pulp fibers, meltblown synthetic fibers and combinations thereof. 43. An absorbent composition comprising: a surface crosslinked polymer; wherein the absorbent composition has a Finite Volume Absorbency Under Load FVAUL value of at least about 60 cc after 10 minutes, said FVAUL value being determined by the formula FVs=20.268·Ts-[R·W/ρsap]-[(1-R)·W/ρpulp]; and Tsis thickness of the sample (cm), R is ratio of SAP to sample weight (g/g), W is mass of the sample (g), ρsapis density of SAP (g/cm3), and ρpulpis density of pulp(g/cm3). 44. An absorbent article comprising: a permeable topsheet; a substantially impermeable backsheet; and an absorbent core disposed between the permeable topsheet and the substantially impermeable backsheet, said absorbent core comprising an absorbent composition comprising about 5% by weight to about 30% by weight of a fibrous matrix comprising wettable fibers and about 70% by weight to about 95% by weight of a surface crosslinked polymer, said surface crosslinked polymer being disbursed within said fibrous matrix; wherein the absorbent composition has a Finite Volume Absorbency Under Load FVAUL value of at least about 60 cc after 10 minutes, said FVAUL value being determined by the formula FVs=20.268·Ts-[R·W/ρsap]-[(1-R)·W/ρpulp]; and Tsis thickness of the sample (cm), R is ratio of SAP to sample weight (g/g), W is mass of the sample (g), ρsapis density of SAP (g/cm3), and ρpulpis density of pulp(g/cm3). 45. The absorbent article of claim 44, wherein the surface crosslinked polymer is bipolar. 46. The absorbent article of claim 44, wherein the surface crosslinked polymer provides minimal gel-blocking properties upon absorption of liquid. 47. The absorbent article of claim 44, wherein the surface crosslinked polymer constitutes about 85% by weight to about 95% by weight of the combined weight of the fiberous matrix and the surface crosslinked polymer. 48. The absorbent article of claim 44, wherein the surface crosslinked polymer constitutes about 90% by weight to about 95% by weight of the combined weight of the fiberous matrix and the surface crosslinked polymer. 49. The absorbent article of claim 44, wherein said wettable fibers constitute about 5% by weight to about 15% by weight of the combined weight of the fibero us matrix and the surface crosslinked polymer. 50. The absorbent article of claim 44, wherein said wettable fibers constitute about 5% by weight to about 10% by weight of the combined weight of the fiberous matrix and the surface crosslinked polymer. 51. The absorbent article of claim 44, wherein the surface crosslinked polymer comprises a mixed-bed ion-exchange superabsorbent polymer composition. 52. The absorbent article of claim 44, wherein the FVAUL free volume of the absorbent composition is about 20% to about 70%. 53. The absorbent article of claim 44, wherein the FVAUL free volume of the absorbent composition is about 20% to about 60%. 54. The absorbent article of claim 44, wherein the FVAUL free volume of the absorbent composition is about 20% to about 50%. 55. The absorbent article of claim 44, wherein the FVAUL free volume of the absorbent composition is about 25% to about 50%. 56. The absorbent article of claim 44, wherein the surface crosslinked polymer is evenly disbursed within the fibrous matrix. 57. The absorbent article of claim 44, wherein the surface crosslinked polymer is poly(acrylic acid). 58. The absorbent article of claim 44, wherein the surface crosslinked polymer comprises about 95% by weight of poly(acrylic acid) and about 3% by weight of a crosslinking agent. 59. The absorbent article of claim 58, wherein the crosslinking agent is methylene bisacrylamide. 60. The absorbent article of claim 58, wherein the surface crosslinked polymer additionally comprises a neutralizing agent. 61. The absorbent article of claim 60, wherein the neutralizing agent is triethanol amine. 62. The absorbent article of claim 44, wherein the wettable fibers are selected from the group consisting of natural fibers, synthetic fibers, and combinations thereof. 63. The absorbent article of claim 44, wherein the wettable fibers are selected from the group consisting of wood pulp (fluff), cotton linters, polyethylene, polypropylene, polyesters, copolymers of polyesters and polyamides, and combinations thereof. 64. The absorbent article of claim 44, wherein the wettable fibers are selected from the group consisting of wood pulp fibers, meltblown synthetic fibers and combinations thereof. 65. The absorbent article of claim 44, wherein the absorbent article is a nighttime diaper. 66. The absorbent article of claim 44, wherein the absorbent article is a long-term use diaper. 67. The absorbent article of claim 44, wherein the absorbent article is a travel diaper. 68. An absorbent composition comprising: about 5% by weight to about 30% by weight of a fibrous matrix comprising wettable fibers; about 70% by weight to about 95% by weight of a surface crosslinked polymer, said surface crosslinked polymer being disbursed within said fibrous matrix; wherein the absorbent composition has a Finite Volume Absorbency Under Load (FVAUL) value of at least about 60 cc after 10 minutes, said FVAUL value being determined by the formula FVs=20.268·Ts-[R·W/ρsap]-[(1-R)·W/ρpulp]; and Tsis thickness of the sample (cm), R is ratio of SAP to sample weight (g/g), W is mass of the sample (g), ρsapis density of SAP (g/cm3), and ρpulpis density of pulp(g/cm3);
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