Moulding body

专利摘要:
The present invention relates to a tubular shaped body wound from a plurality of layers of covered cardboard, in which the wavelength of the cardboard extends in the longitudinal axis direction. The shaped bodies are formed such that at least a part of the layers 2 lying on each other are positively bonded to each other.
公开号:KR20010078295A
申请号:KR1020010005086
申请日:2001-02-02
公开日:2001-08-20
发明作者:외르크 브라케만
申请人:추후제출；브라케만 페어파쿵엔 게엠베하 운트 코. 카게；
IPC主号:

专利说明:

Molded body {MOULDING BODY}
[7] The present invention relates to a molded article according to the preamble of claim 1.
[8] Such shaped bodies are known, for example, from German Utility Model Design No. 298 13 984.
[9] The shaped bodies are proved as a whole, especially with regard to load capacity.
[10] For this reason, the use area is extensively expanded, whereby the molded body is produced with a high number of parts.
[11] Of course, it is of course impossible to produce economically desirable dimensions, since the individual layers which form the walls of the shaped body have to be glued together, in particular for forming and fixing the shaped body.
[12] Thus, cardboard is wound around the core to produce shaped bodies, only if cardboard covered with one side is used. This is because, especially when viewed in cross section, the shaped body must be wound with great force when it is square or square. However, using cardboard covered on one side, sufficient load capacity can be achieved by only a corresponding number of cardboard layers.
[13] It is an object of the present invention to form shaped bodies of different types, which can be produced in a simple and low cost and in which the load capacity can be improved.
[1] 1 is a perspective view of a molded article not yet completed;
[2] 2 is a perspective view of a completed molded body.
[3] Explanation of symbols on the main parts of the drawings
[4] 1: section 2: floor
[5] 3: snap-in tongue 4: snap-in opening
[6] 5: line
[14] This object is achieved by a shaped body having the features of claim 1.
[15] It is particularly important that the present invention enables a very simple production compared to the prior art, and that multiple sections can be produced in the working process without the need to glue individual layers. Here, the sections are then individually wound only for complete efficiency and fixed in the area of the last layer, for example by means of adhesive tape.
[16] Positive engagement is achieved, for example, by punching out snap-in tongues and snap-in openings that are joined to each other in a wound state, wherein the snap-in tongue and snap-in openings provide a secure frictional bond that ensures sufficient fixation of the layer. Correspond to each other enough.
[17] The section that determines the position in the predetermined bend area can be simply bent when wound into a polygon or forward shaped body in plan view by having a bend line for material weakening during punching. This makes it possible to use cardboard covered on both sides, thereby increasing the stability so that high loads can be accommodated or the wall thickness of the molded body can be reduced, especially with regard to axial pressure load reduction, resulting in a material Reduced use
[18] As mentioned, the present invention offers very economical manufacturing possibilities, allowing a number of sections to be produced during the continuous operation of the punching machine at the same time. In addition, up to ten sections can be punched out of the cardboard at the same time, from which a shaped body is produced which can be used as the plate bottom.
[19] Here, the sections are firstly connected to each other, and the connection region is formed to facilitate the separation of subsequent individual sections.
[20] With regard to further processing, section production in this manner provides a great advantage as long as the section can be stacked as a plate with firstly flat traits, thereby producing a large support advantage.
[21] Further preferred embodiments of the invention are set forth in the dependent claims.
[22] Embodiments of the present invention are illustrated by the accompanying drawings below.
[23] 1 shows a section 1 for a tubular shaped body which can be made of cardboard covered on both sides.
[24] The section 1 is formed in a strip shape and divided into sections, which sections form a layer 2 formed by winding a molded body composed of a plurality of layers 2.
[25] Here, the lengths of the layers 2 separated from each other by the fold lines 5 are estimated to the extent that the gapless support of the individual layers 2 appears when wound continuously.
[26] The fold line 5, which is provided transversely to the longitudinal axis but parallel to the wavelength propagation and formed by material weakening in this region, enables smooth bending of the section when it is wound into a shaped body.
[27] The partial region of the fold line is provided with a snap-in tongue 3 and a snap-in opening 4 which engage each other when the individual layers 2 are wound by punching. Here, the dimensions of the snap-in tongue 3 and the snap-in opening 4 are such that a frictional bond, which secures the individual layers to each other at the time of joining, appears.
[28] Preferably, the layer 2 forming the outer surface is formed without the snap-in tongue 3 or the snap-in opening 4, thereby producing a closed outer surface.
[29] The last layer 2 forming the outer surface is bonded with the underlying layer, so that a fixed connection appears upon interaction with the positive bond provided by the snap-in tongue 3 and the snap-in opening 4.
[30] According to the present invention, shaped bodies of different types are formed, which can be produced simply and at low cost, and in which load capacity can be improved.

权利要求:
Claims (8)
[1" claim-type="Currently amended] In a tubular molded body wound into multiple layers of covered cardboard, in which the corrugation of the cardboard extends in the longitudinal axis direction,
A molded article characterized in that at least a part of the adjacently laid layers (2) are positively bonded to each other.
[2" claim-type="Currently amended] The method of claim 1,
A molded body characterized in that a snap-in tongue (3) and a snap-in opening (4) are provided corresponding to each other for positive engagement.
[3" claim-type="Currently amended] The method of claim 1,
A molded body characterized in that a line (5) extending in the wavelength direction of the cardboard is provided on the side which forms the inner side of the individual layer.
[4" claim-type="Currently amended] The method of claim 3, wherein
The molded body characterized in that the said broken line (5) is formed by material weakening.
[5" claim-type="Currently amended] The method according to any one of claims 1 to 4,
Molded body, characterized in that the snap-in tongue (3) or snap-in opening (4) is arranged in the region of the fold line (5).
[6" claim-type="Currently amended] The method of claim 2,
Molded body characterized in that the snap-in tongue (3) and the snap-in opening (4) are designed to be placed adjacent by frictional engagement.
[7" claim-type="Currently amended] The method of claim 1,
Molded body, characterized in that the layer (2) is made of cardboard covered both sides.
[8" claim-type="Currently amended] The method of claim 1,
A shaped body, characterized in that the last layer (2) forming the outer surface is bonded to the underlying layer (2).

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同族专利:

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公开号 | 公开日

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EP1122179A1|2001-08-08|

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CN1178824C|2004-12-08|

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CN1317438A|2001-10-17|

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US20010011517A1|2001-08-09|

引用文献:

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公开号 | 申请日 | 公开日 | 申请人 | 专利标题

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法律状态:
2000-02-03|Priority to EP00102353.0

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2000-02-03|Priority to EP20000102353

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2001-02-02|Application filed by 추후제출, 브라케만 페어파쿵엔 게엠베하 운트 코. 카게

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2001-08-20|Publication of KR20010078295A

优先权:

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申请号 | 申请日 | 专利标题

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EP00102353.0|2000-02-03|

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EP20000102353|EP1122179A1|2000-02-03|2000-02-03|Article shaped by wounding of corrugated paperboard|