[특허]Container and retaining device for packaging and unwinding coiled welding wire

Plasticos Y Alambres, S.A.

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특허 상세정보

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Container and retaining device for packaging and unwinding coiled welding wire

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B65D-085/04
미국특허분류(USC)	206/397; 206/408
출원번호	US-0195348 (2002-07-13)
발명자 / 주소	Cantu-Gonzalez, Ricardo
출원인 / 주소	Plasticos Y Alambres, S.A.
대리인 / 주소	Frommer Lawrence &
인용정보	피인용 횟수 : 11 인용 특허 : 13

초록
▼

A low-cost totally recyclable container made of corrugated cardboard for packaging a large mass of coiled welding wire is disclosed. The improved container minimizes the costs of packaging and avoids the need of large volumes for transportation and storage of empty containers to and from the welding wire manufacturing plant and at the welding plant. The container in kit form or assembled with or without the wire coil includes a wire retaining device of simple and inexpensive design to press down on the top of the coil of wire when in the container without binding against the inner walls of the container while preventing the wire which is arranged in a multitude of layers of wire loops from tangling during transportation, storage, and unwinding while providing effective means for smooth and uninterrupted payout of welding wire to automatic welding machines. The wire retaining device is secured relative to the inner wall of the container by means of plastic or metallic strips passing through peripheral openings in the retaining device, said strips being fixed to the wall at two vertically spaced points along the height of the welding wire mass. The container is fully recyclable avoiding the environmental impact caused by other packaging materials.

대표
청구항
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1. A container for packaging a welding wire coil formed by a multitude of layers of looped wire forming a generally cylindrical body of wire leaving a central cavity from which the wire can be withdrawn,said container comprising a rigid bottom portion for supporting a coil of welding wire when positioned therein; an outer wall for enclosing and protecting the sides of a coil, said outer wall having an open upper end and a lower end fixed to said bottom portion and a height taller than the height of the coil which it is adapted to contain; at least one strip-like tie-down member within said container having one end secured to said outer wall at an upper point located near the upper end of said outer wall and the other end secured at a lower point on said container located near said lower end of said outer wall and substantially vertically aligned with said upper point; a vertically movable retaining device adapted to rest on top of a coil when positioned in said container and having a first inner opening for said wire to pass there-through upon being payed out from said coil when in said container, and also having at least a second, peripheral, opening through each of which a respective tie-down member passes thus cooperating with said retaining device to prevent any loop of the coil of wire from passing upwardly in the container past said retaining device other than through said first opening and from accidental entangling of said wire during unwinding from the coil. 2. A container according to claim 1, further comprising a cover fitting over the wall of said container to enclose and protect a wire coil when positioned in said container during its transportation and storage.3. A container according to claim 2, wherein said wall and said cover are made of corrugated cardboard.4. A container according to claim 3, wherein said wall is formed by at least two layers of corrugated cardboard, and the internal corrugations of said respective cardboard layers are orientated in different directions.5. A container according to claim 3, further comprising a central core member defining with said outer wall an annular space for accommodating said welding wire coil, to prevent said multitude of looped wire layers from tangling by maintaining the loops of welding wire around said core in said annular space.6. A container according to claim 5, further comprising a pressing member adapted to exert a force on said retaining device downwardly against the top of a coil when positioned within the container.7. A container according to claim 6, further comprising a pallet-type base supporting said bottom portion of said container for its handling by frontloaders.8. A container according to claim 7, wherein said pallet-type base is made of wood.9. A container according to claim 7, wherein said pallet-type base is made of plastic material.10. A container according to claim 7, wherein said pallet-type base is made of cardboard.11. A container according to claim 7, wherein said core and said removable second cover portion are made of corrugated cardboard.12. A container according to claim 11, further comprising a coil of welding wire positioned in said container.13. A container according to claim 12, wherein said retaining device, sized to fit within said annular space comprises two concentric wire rod rings, held together by means of rigid wire rod radially extending bridges, and having at least three peripheral openings formed by radially projected openings.14. A container according to claim 2, wherein said vertical wall is made of corrugated cardboard which is externally covered with a water-based resin rendering said vertical wall of said container externally water-repellent.15. A container according to claim 14, wherein said cover has a first portion with a central opening adapted to accommodate a guide member for said wire during its unwinding from said coil and further includes a second portion in the form of a removable disk fitting within said first portion so as to close the central opening.16. A container according to claim 15, wherein said first cover portion is provided with a plurality of lateral flaps that vertically overlap a part of said outer wall.17. A container according to claim 16 wherein at least two of the lateral flaps are provided with fixing means which interact with corresponding fixing means on the upper outer overlapped part of said wall to keep the first cover portion in its position, including during unwinding of welding wire.18. A container according to claim 17, wherein said fixing means are constituted by fastening means of the hook-and-loop type.19. A container according to claim 17, wherein said fixing means are constituted by adhesive tape.20. A container kit having component parts capable of being shipped in flattened or other compact form and of being assembled into protective packaging for storage and shipment of a welding wire coil having a multitude of layers of looped wire forming a generally cylindrical body of wire leaving a central cavity from which coil the wire can be withdrawn, the kit comprising the combination of:a relatively flat and rigid bottom portion for supporting said coil of welding wire; a flattened outer wall portion capable of being curled and fixed to itself along its side edges to create a tubular form with a lower end affixed to said bottom portion at its bottom edge and with an upper end and with a height taller than the height of a coil to be protectively contained therein; at least one strip-like tie-down member of a length adapted to have one end secured to an upper point located near the upper end of said outer wall portion and the other end of said tie-down member secured to a lower point located near the lower end of said outer wall portion in a manner so as to be relatively taut and substantially vertically aligned when in the assembled form; a vertically movable retaining device adapted to rest on and press down upon a coil positioned in said container and having a first inner opening for said wire to pass therethrough when said wire is payed out from a coil in said container, and also having at least a second, peripheral, opening through any of which a respective tie-down member is adapted to be threaded thus cooperating with said retaining device to prevent any loop of a coil of said wire from passing upwardly in the container peripherally past said retainer retaining device or otherwise other than through said first opening of said retaining device and from accidental entangling of said wire during unwinding from the coil. 21. A container kit according to claim 20, wherein the container further includes a core sized to be fixed to the bottom portion and fit within the central cavity of a coil of wire and the container including the core is made of cardboard and said wall is scored to facilitate forming into a polygonal shape upon being curled into tubular form, and further comprising a flattened cover portion having the same polygonal shape with flaps adapted to be folded down at right angles and secured each to its adjacent flap to form a container lid.22. A container kit according to claim 21, wherein the retaining device comprises two concentric wire rod rings, held together by means of rigid wire rod radially extending bridges, and having at least three peripheral openings formed by radially projected openings.

이 특허에 인용된 특허 (13)

이 특허를 인용한 특허 피인용횟수: 11

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특허 상세정보

Container and retaining device for packaging and unwinding coiled welding wire

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이 특허에 인용된 특허 (13)

이 특허를 인용한 특허 피인용횟수: 11

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Container and retaining device for packaging and unwinding coiled welding wire

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이 특허에 인용된 특허 (13)

이 특허를 인용한 특허 피인용횟수: 11

IPC 상위 출원인

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상세정보조회

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IPC 상세정보(version : 201201)

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