Gusset for a light-weight bag and a bag assembled therefrom
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A45C-005/14
A45C-013/00
A45C-013/36
출원번호
US-0347541
(2003-01-17)
발명자
/ 주소
Fenton, Timm J.
Scicluna, Paul V.
Powell, Dick H.
출원인 / 주소
Tumi, Inc.
대리인 / 주소
Baker Botts LLP
인용정보
피인용 횟수 :
8인용 특허 :
10
초록▼
A light-weight side gusset for a bag includes a formed composite frame having a peripheral raised region and a depressed central region. An opening through the depressed central region forms a relatively narrow border portion around the inner periphery of the raised region. A central panel correspon
A light-weight side gusset for a bag includes a formed composite frame having a peripheral raised region and a depressed central region. An opening through the depressed central region forms a relatively narrow border portion around the inner periphery of the raised region. A central panel corresponding in configuration to the outline of the depressed region is attached to the border portion of the depressed region to cover the opening therethrough. The composite frame is made up of a moldable substrate, e.g. ethyl vinyl acetate foam, an outer layer wear-resistant material, e.g., high-denier nylon or poly/nylon combination, and, preferably, an inner adherent layer, e.g., the loop half of a hook-and-loop fabric. Methods of manufacturing the composite frame, a gusset including such frame, and a bag including such gusset are also disclosed.
대표청구항▼
1. A gusset for a bag, comprising:a formed composite frame substantially corresponding in configuration to the outline of a side of the bag and having an inner surface, an outer surface, an upper edge, a lower edge and two side edges, the composite frame comprising an intermediate substrate and a we
1. A gusset for a bag, comprising:a formed composite frame substantially corresponding in configuration to the outline of a side of the bag and having an inner surface, an outer surface, an upper edge, a lower edge and two side edges, the composite frame comprising an intermediate substrate and a wear-resistant material adhered to an outer surface of the substrate; a region of the frame bordering the upper edge, the lower edge and the two side edges thereof being formed outwardly from said edges to define a raised region surrounding a depressed region centrally of the frame; the depressed central region having an opening therethrough forming a border portion of the depressed region around the interior periphery of the raised region; and a central panel substantially corresponding in configuration to the outline of the depressed region and secured to the border portion of the depressed region of the frame and covering the opening therethrough. 2. The gusset of claim 1, wherein the substrate is comprised of moldable synthetic material.3. The gusset of claim 2, wherein the synthetic material is ethyl vinyl acetate foam.4. The gusset of claim 1, wherein the wear-resistant material adhered to the outer surface of the substrate is a non-stretchable fabric.5. The gusset of claim 4, wherein the non-stretchable fabric is a high-denier content fabric.6. The gusset of claim 5, wherein the non-stretchable fabric is a nylon or poly/nylon combination.7. The gusset of claim 1, wherein the wear-resistant material adhered to the outer surface of the substrate is a non-woven synthetic material.8. The gusset of claim 1, wherein the depressed central region of the frame extends over at least half of the distance between the two side edges, and over at least half of the distance between the upper and lower edges, of the frame.9. The gusset of claim 8, wherein the opening in the depressed central region of the frame extends over substantially the full area of the depressed central region, whereby the border portion of the depressed central region is relatively narrow in comparison to the size of the opening.10. The gusset of claim 1, wherein the raised region of the frame is of substantially the same width along the upper edge and over at least the upper half of the side edges of the frame.11. The gusset of claim 1, further comprising at least one formed indentation in the raised region of the frame corresponding in configuration to an external member to be mounted on the frame.12. The gusset of claim 11, wherein the formed indentation is located at least in part adjacent the lower edge of the frame and corresponds in configuration to a wheel assembly to be mounted on the frame.13. The gusset of claim 12, wherein the formed indentation also extends in part adjacent the side edge of the frame corresponding to a back region of the bag.14. The gusset of claim 12, further comprising a second indentation formed in the raised region of the frame adjacent the lower edge thereof and corresponding in configuration to a front support foot of the bag.15. The gusset of claim 1, wherein the central panel is stitched to the border portion of the depressed central region of the frame.16. The gusset of claim 1, wherein the central panel comprises an inner stiffening member, an intermediate cushioning member, and an outer covering material.17. The gusset of claim 16, wherein the stiffening member of the central panel is comprised of press board, the cushioning member is comprised of open-cell foam material, and the covering material is a fabric.18. The gusset of claim 16, wherein the stiffening member, the cushioning member and the covering material are assembled together and secured as an assembly to the frame.19. The gusset of claim 1, wherein the central panel is recessed below the level of the raised region of the frame.20. The gusset of claim 1, wherein the combined structure of the composite frame and the central panel flexes under external load but exhibits shape-memory to restore the outline of the gusset upon relief of the external load.21. The gusset of claim 1, wherein the composite frame further comprises an adherent material on an inner surface of the substrate.22. The gusset of claim 21, wherein the adherent material is the loop half of a hook-and-loop fabric.23. A bag, comprising:(a) a body having a top, a bottom, a front, a back and two ends; and (b) a gusset attached to each of the two ends of the body, each gusset comprising (1) a formed composite frame substantially corresponding in configuration to the outline of one end of the bag and having an inner surface, an outer surface, an upper edge, a lower edge and two side edges, the composite frame comprising an intermediate substrate and a wear-resistant material adhered to an outer surface of the substrate; (2) the region of the frame bordering the upper edge, the lower edge and the two side edges thereof being formed outwardly from said edges to define a raised region surrounding a depressed region centrally of the frame; (3) the depressed central region having an opening therethrough forming a border portion of the depressed region around the interior periphery of the raised region; and (4) a central panel substantially corresponding in configuration to the outline of the depressed region and secured to the border portion of the depressed region of the frame and covering the opening therethrough; and (c) each gusset being attached at its upper edge, lower edge and two side edges to the top, bottom, front and back, respectively, of the body and extending therebetween to form one end of the bag. 24. The bag of claim 23, wherein the substrate is comprised of moldable synthetic material.25. The bag of claim 24, wherein the synthetic material is ethyl vinyl acetate foam.26. The bag of claim 23, wherein the wear-resistant material adhered to the outer surface of the substrate is a non-stretchable fabric.27. The bag of claim 26, wherein the non-stretchable fabric is a high-denier content fabric.28. The bag of claim 27, wherein the non-stretchable fabric is a nylon or poly/nylon combination.29. The bag of claim 23, wherein the wear-resistant material adhered to the outer surface of the substrate is a non-woven synthetic material.30. The bag of claim 23, wherein the composite frame further comprises an adherent material on an inner surface of the substrate.31. The bag of claim 30, wherein the adherent material is the loop half of a hook-and-loop fabric.32. The bag of claim 23, wherein the depressed central region of the frame extends over at least half of the distance between the two side edges, and over at least half of the distance between the upper and lower edges, of the frame.33. The bag of claim 32, wherein the opening in the depressed central region of the frame extends over substantially the full area of the depressed central region, whereby the border portion of the depressed central region is relatively narrow in comparison to the size of the opening.34. The bag of claim 23, wherein the raised region of the frame is of substantially the same width along the upper edge and over at least the upper half of the side edges of the frame.35. The bag of claim 23, further comprising at least one formed indentation in the raised region of the frame corresponding in configuration to an external member to be mounted on the frame.36. The bag of claim 35, wherein the formed indentation is located at least in part adjacent the lower edge of the frame and corresponds in configuration to a wheel assembly to be mounted on the frame.37. The bag of claim 36, wherein the formed indentation also extends in part adjacent the side edge of the frame attached to the back of the bag.38. The bag of claim 36, further comprising a second indentation formed in the raised region of the frame adjacent the lower edge thereof and corresponding in configuration to a front support foot of the bag.39. The bag of claim 23, wherein the central panel is stitched to the border portion of the depressed central region of the frame.40. The bag of claim 23, wherein the central panel comprises an inner stiffening member, an intermediate cushioning member, and an outer covering material.41. The bag of claim 40, wherein the stiffening member of the central panel is comprised of press board, the cushioning member is comprised of open-cell foam material, and the covering material is a fabric.42. The bag of claim 40, wherein the stiffening member, the cushioning member and the covering material are assembled together and secured as an assembly to the frame.43. The bag of claim 23, wherein the central panel is recessed below the level of the raised region of the frame.44. The bag of claim 23, wherein the combined structure of the composite frame and the central panel of each gusset flexes under external load but exhibits shape-memory to restore the outline of the bag upon relief of the external load.45. The bag of claim 23, wherein at least the front and the back of the body are made of soft material.46. The bag of claim 45, wherein the soft material is a ballistic nylon.47. The bag of claim 23, wherein the upper, lower and two side edges of each gusset are sewn to the ends of the top, bottom, front and back, respectively, of the body.48. The bag of claim 23, further comprising a liner covering the inner surface of the composite frame of each gusset and being attached to the composite frame.49. The bag of claim 48, wherein the composite frame further comprises an adherent material on an inner surface of the substrate; andthe side of the liner facing the composite frame is adapted, at least in the portion thereof overlying the border portion of the depressed region, to adhere to the adherent material on the composite frame, whereby the liner is attachable to the gusset at least around the inner periphery of the raised region thereof. 50. The bag of claim 49, wherein:the liner is attached to the side edge of the gusset that is attached to the front of the bag; and the side of the liner facing the composite frame is adapted, in the portion overlying at least in part the region of the composite frame bordering the edges of the composite frame attached to the top, bottom and back of the bag, to adhere to the adherent material on the composite frame, whereby the liner is attachable to the gusset along the edges thereof attached to the top, bottom and back of the bag. 51. The bag of claim 49, wherein:the adherent material on the composite frame is the loop half of a hook-and-loop fabric; and at least said portions of the liner being adapted to adhere to the adherent material on the composite frame having affixed thereto the hook half of the hook-and-loop fabric.
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