DE847099C - Method for crowning a cardboard plate or the like. - Google Patents
Method for crowning a cardboard plate or the like.Info
- Publication number
- DE847099C DE847099C DEM9289A DEM0009289A DE847099C DE 847099 C DE847099 C DE 847099C DE M9289 A DEM9289 A DE M9289A DE M0009289 A DEM0009289 A DE M0009289A DE 847099 C DE847099 C DE 847099C
- Authority
- DE
- Germany
- Prior art keywords
- cardboard
- paper
- plate
- sheet
- crowning
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
- B31B50/59—Shaping sheet material under pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B2105/00—Rigid or semi-rigid containers made by assembling separate sheets, blanks or webs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B2120/00—Construction of rigid or semi-rigid containers
- B31B2120/40—Construction of rigid or semi-rigid containers lined or internally reinforced
- B31B2120/402—Construction of rigid or semi-rigid containers lined or internally reinforced by applying a liner to already made boxes, e.g. opening or distending of the liner or the box
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
- B31B50/74—Auxiliary operations
- B31B50/741—Moistening; Drying; Cooling; Heating; Sterilizing
Landscapes
- Making Paper Articles (AREA)
Description
Zum Bombieren einer Pappplatte od. dgl., z. B. des Deckels einer Schachtel oder eines Kartons, preßt man die Platte zwischen einer gegebenenfalls erwärmten Metallmatrize und einem aus sonstigem Material hergestellten, gewölbten Stempel in die gewünschte Form. Infolge der Kostspieligkeit von .Matrizen ist dieses Verfahren aber nur zum Bonbieren von großen Stengen lohnend.For crowning a cardboard plate or the like, z. B. the lid of a box or a cardboard box, the plate is pressed between an optionally heated one Metal die and a domed stamp made of other material in the desired shape. Due to the costly nature of matrices, this method is but only worthwhile for boning large sticks.
Die Erfindung verschafft eine einfache Lösung des Problems, ohne Verwendung einer Matrize das gewünschte Ergebnis zu erzielen. Erfindungsgemäß wird die Pappplatte an nur einer Seite mit einem etwa gleich großen, in seiner vollen Ausdehnung mit stark wasserhaltigem Leim bestrichenen und dadurch verhältnismäßig stark gedehnten Bogen Papier od. dgl., z. B. aus Cellulosehaut, ausschließlich an den Rändern verklebt. .Während der Trocknung und des dadurch bedingten Schrumpfens des Papierbogens übt dieses auf den ganzen Umfang der Pappplatte nach innen gerichtete Kräfte aus, wodurch die Platte an der genannten Seite die Hohlform annimmt, an der gegenüberliegenden Seite daher gewölbt wird. Sollte man den Papierbogen in seiner vollen Ausdehnung mit der Pappplatte verkleben, so würde diese sich während der Trocknung des Leimes unvermeidlich werfen.The invention provides a simple solution to the problem without use a die to achieve the desired result. According to the invention the cardboard on only one side with an approximately equally large, in its full extent with highly water-based glue coated and thus relatively strongly stretched Sheet of paper or the like, e.g. B. made of cellulose skin, glued exclusively at the edges. Exercise during the drying process and the resulting shrinkage of the sheet of paper These forces are directed inwards over the entire circumference of the cardboard sheet, whereby the plate assumes the hollow shape on the named side, on the opposite side Side is therefore arched. One should use the sheet of paper in its full extent stick to the cardboard, so this would stick together while the glue dries inevitable throw.
Damit der niit Leim bestrichene und dadurch in seiner ganzen Ausdehnung feuchte Papierbogen sich nur am Umfang mit der Pappplatte verklebt, kann man letztere vor der Verleimung mit einem losen Schutzblatt Papier abdecken, welches nur einen verhältnismäßig schmalen Umfangsstreifen der Pappplatte frei läßt. Dieses Blatt wird dann mit dem geleimten Papierbogen verklebt, dessen Dehnung und Schrumpf es daher folgen muß.So that the uncoated with glue and thus in its entire extent damp sheets of paper are only glued to the cardboard at the periphery, the latter can be used Before gluing, cover with a loose protective sheet of paper, which is only one leaves relatively narrow peripheral strips of the cardboard free. This sheet is then glued to the glued sheet of paper, its stretching and shrinking it therefore must follow.
Während der Trocknung des Leimes erreicht der ;ich au; dem Leim entwickelnde Wasserdampf teilweise die Pappplatte, wodurch diese leichter die gewünschte Form annimmt. Nötig ist das aber nicht.While the glue is drying, the; I au; developing the glue Water vapor partially covers the cardboard panel, making it more easily the desired shape accepts. But that is not necessary.
Es wird noch bemerkt, daß das gemäß der Erfindung benutzte Papier bei Befeuchtung und während der Trocknung -ewöhnlich im wesentlichen ;ich nur in einer Richtung dehnt und schrumpft. 1's empfiehlt sich dann, diejenigen Ränder der gewöhnlich rechteckigen Pappplatte, welche der Schrumpfrichtung Bleichlaufen, zu versteifen, beispielsweise umzuflanschen oder zu beschweren und dadurch flach zu erhalten. Das erübrigt sieh aber, wenn man anstatt eines einzigen Papierbogens zwei ;ich rechtwinklig kreuzende Papierstreifen verwendet, die je zwei einander gegenüberliegende Rinder der Pappplatte verbinden, so daß die Dehnungsrichtung jedes Streifens rechtwinklig zu den durch diesen Streifen miteinander verbundenen Ränder steht. Letzteres Verfahren ist als eine nahcliegende Ausführungsfarm der Erfindung zu betrachten.It is also noted that the paper used according to the invention when moistened and during drying - usually essentially; I only in one direction expands and shrinks. 1's is then recommended to those edges of the usually rectangular cardboard, bleaching in the direction of shrinkage stiffen, for example flanged or weighed down and thereby flat obtain. This is unnecessary if you have two sheets of paper instead of a single sheet of paper ; I used strips of paper crossing at right angles, each two opposite one another Connect cattle to the cardboard sheet so that the direction of elongation of each strip is perpendicular to the edges connected by this strip. The latter method is to be regarded as an obvious embodiment of the invention.
Die schematische Zeichnung veranschaulicht im Schnitt einen entsprechend der l:rfinclung bombierten Pappdeckel eines Karton;, von innen betrachtet.The schematic drawing illustrates a corresponding section in section the l: rfinclung cambered cardboard lid of a cardboard box; viewed from the inside.
Die bombierte Oberseite des Deckels ist mit i, das Schutzblatt mit 2, der ,ganz finit Leim bestrichene Papierbogen mit 3 bezeichnet. Mine weitere 1?rklärung dürfte sich erübrigen.The convex top of the lid is marked with i, the protective sheet with 2, the sheet of paper coated with finite glue is labeled 3. Mine further 1 clarification should be superfluous.
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEM9289A DE847099C (en) | 1951-04-24 | 1951-04-24 | Method for crowning a cardboard plate or the like. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEM9289A DE847099C (en) | 1951-04-24 | 1951-04-24 | Method for crowning a cardboard plate or the like. |
Publications (1)
Publication Number | Publication Date |
---|---|
DE847099C true DE847099C (en) | 1952-08-21 |
Family
ID=7294592
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DEM9289A Expired DE847099C (en) | 1951-04-24 | 1951-04-24 | Method for crowning a cardboard plate or the like. |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE847099C (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1084124B (en) * | 1956-02-20 | 1960-06-23 | Matchall Co Aktiebolag | Method for folding and connecting two side walls of a blank provided with outwardly diverging grooves or flutes |
-
1951
- 1951-04-24 DE DEM9289A patent/DE847099C/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1084124B (en) * | 1956-02-20 | 1960-06-23 | Matchall Co Aktiebolag | Method for folding and connecting two side walls of a blank provided with outwardly diverging grooves or flutes |
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