US1897198A - Paper board - Google Patents
Paper board Download PDFInfo
- Publication number
- US1897198A US1897198A US201667A US20166727A US1897198A US 1897198 A US1897198 A US 1897198A US 201667 A US201667 A US 201667A US 20166727 A US20166727 A US 20166727A US 1897198 A US1897198 A US 1897198A
- Authority
- US
- United States
- Prior art keywords
- board
- lacquer
- coating
- box
- bending
- 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 - Lifetime
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Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21J—FIBREBOARD; MANUFACTURE OF ARTICLES FROM CELLULOSIC FIBROUS SUSPENSIONS OR FROM PAPIER-MACHE
- D21J1/00—Fibreboard
- D21J1/08—Impregnated or coated fibreboard
Definitions
- My invention relates to the production of a paper board, particularly box board, having a coating thereon of great thinness which is applied after the board is made, and which imparts to the board not only an attractive appearance, but also gives to 1t bending qualities.
- the appearance factor of my improved paper board lies in the use of a surfacing material, in a very thin coat, which contains a substance that will give a striking crystalline effect, which will obscure any faults in color or coating of the paper board, and largely eliminate the effect of blemishes.
- the strength factor of my improved board lies in the use of a cellulose lacquer in a very thin coat, which gives bending qualities to the board due to the fact that lthe lacquer is very flexible, and prevents the board from cracking when bent.
- My invention is of great economic value in many ways. For example, in the construction of large, inexpensive boxes, particularly for dry cleaners, clothing dealers and the like, Where the boxes must have a large area, and be shipped knocked down, the large expanse of surface whether color coated or not will be likely to include appearance defects, which, if small sized blanks were cut from the strip of paper board would not be so apparent; and the sett-ing up of the boxes, Whether scored or not, will be likely to crack the board along the' line of fold of the tabs and tongues.
- my invention am enabled to employ a cheap grade of board in light weight, without expensive outer layers and without costly printing to supply this type of box, and still give a very satisfactory product of high appearance value, and superior in bending qualities to grades of board which are much more expensive to make than the cost of my board plus the coating.
- Figure l is a plan view of a piece of board, showing the novel lacquered surface.
- Figure 2 is a section showing in exagger- 1927. Serial No. 201,667.
- the coating consists of a very thin layer applied with a roll and doctor, a printing roll, spraying and doctoring, or in any other desired way, which lacquer is thin and contains in its composition some 'substance which will crystallize so thatv the lacquer will solidify in the form of crystals. Lacquer of this type can be given a Wide range of color from the darker to the more delicate shades of all colors, and the crystalline structure can be va.- ried 4by nature of the added constituent and by the mode of drying. Thus, a rapid drying of the board under heat will give a different eii'ect than a slower drying without so much heat, or without heat.
- Lacquers of this type having crystalline mode of solidil'ication are on the market.
- the Dupont Company for example, makes such a lacquer.
- crystallizing substances have been used in connection with paints and varnishes, the resultant appearance being imparted due to the fact that the crystalline substance builds up a surface which resembles a cross section taken through a solid crystalline body.
- a lacquer which may be used for this purpose, a cellulose lacquer body to which salicylic acid has been added, with or without coloring substances, will serve.
- the board so coated can be scored, or it can be scored before it is coated, or left unscored in making up box blanks, or for other uses.
- the crystalline additions usually organic in nature, tend to some degree to lengthen the time of drying of the coating, so that the penetration of the lacquer is increased thereby. I tind it valuable to give some more penetration than would be permitted with the most rapid dryers among the cellulose solvents, in order to get enhanced strength characteristics.
- the bending qualities of the board are dependent upon the nature of the pyroxylinor other cellulose product, which is quite tough and resilient, and irrespective of the appearance resulting from the crystallinel effect, the 100 use of lacquer by itself, in a 'thin layer on paper board, is of great value, particularly in the box art, because of permitting cheaper quite striking ⁇ in its appearance, even though- ⁇ it be so thin as to be partially transparent, and the crystalline surface will so attract the eye as to obscure irregularities, even though by close inspection they will be discovered.
- .box board may be scored and bent w obscure the irregularities of the under coating.
- the crystalline ei'ect is one which is sufliciently broken up and often irridescent enough itself in appearance, to avoid showing up any defects in the application ofthe lacquer which contains the crystallizing material.
- That method of protecting poorly bending box board from cracking at the score lines which consists in coating said box board, at the score lines, at least, with a layer of cellulose lacquer.
- Non-bending box board having a tough and elastic surface coating of cellulose lacquer bonded to the surface bers whereby's'aid 'thout described myinvention, what cracking.
- N on-bending box board having a tough and elastic surface coating ofcellulose lacquer bondedsto the surface fibers whereby said box board may bc'scored and bent without cracking, said cellulose lacquer having a crystalline characteristic whereby the blemishes in the face of the board are obscured.
- v 5..A method of producing a box with sound score lines from poorly bending box board which comprises coating so-called non-bending box board with a thin layer of a flexible cohesive and strong coating subsecure by Letstance, afterward scoring said box board and bending it to form a finished article.
- a method of making boxes with sound scores from poorly bending box board which comprises treating so-called non-bending box board with a cellulose lacquer to produce a thin superficial layer of lacquer thereon, and afterward scoring said box board and bending it to produce a finished article.
- a method of producing attractive boxes with sound scores from poorly bending box board with boxboard having surface blemishes which lcomprises coating non-bending box board, having a relatively unsightly surface, with a cellulose lacquer having a crystalline formation and sufficient opacity to obscure said surface blemishes, afterwards scoring said box board and bending it to form the nished article.
Description
Feb. 14, 1933.
c. L. KELLER 1,897,198
PAPER BOARD Filed June 27 l 1927 A TTORNEY.
Patented Feb. 14, 1933 UNITED STATES PATENT OFFICE.
CHARLES L. KILLER, 0F GLENDALE, OHIO, ASSIGNOR TO THE RICHARDSON COMPANY,
OF LOCKLAND, OHIO, A
PAPER BOARD Application led June 27,
My invention relates to the production of a paper board, particularly box board, having a coating thereon of great thinness which is applied after the board is made, and which imparts to the board not only an attractive appearance, but also gives to 1t bending qualities.
The appearance factor of my improved paper board lies in the use of a surfacing material, in a very thin coat, which contains a substance that will give a striking crystalline effect, which will obscure any faults in color or coating of the paper board, and largely eliminate the effect of blemishes. The strength factor of my improved board lies in the use of a cellulose lacquer in a very thin coat, which gives bending qualities to the board due to the fact that lthe lacquer is very flexible, and prevents the board from cracking when bent.
My invention is of great economic value in many ways. For example, in the construction of large, inexpensive boxes, particularly for dry cleaners, clothing dealers and the like, Where the boxes must have a large area, and be shipped knocked down, the large expanse of surface whether color coated or not will be likely to include appearance defects, which, if small sized blanks were cut from the strip of paper board would not be so apparent; and the sett-ing up of the boxes, Whether scored or not, will be likely to crack the board along the' line of fold of the tabs and tongues. By my invention I am enabled to employ a cheap grade of board in light weight, without expensive outer layers and without costly printing to supply this type of box, and still give a very satisfactory product of high appearance value, and superior in bending qualities to grades of board which are much more expensive to make than the cost of my board plus the coating.
I accomplish my objectsl by that certain construction to be hereinafter more specilically pointed out and claimed.
In the drawing y i Figure l is a plan view of a piece of board, showing the novel lacquered surface.
Figure 2 is a section showing in exagger- 1927. Serial No. 201,667.
ated form the thickness of the board and of the layer of cellulose lacquer.
I have indicated a piece of paper board having the body 1, and the coating 2. The coating consists of a very thin layer applied with a roll and doctor, a printing roll, spraying and doctoring, or in any other desired way, which lacquer is thin and contains in its composition some 'substance which will crystallize so thatv the lacquer will solidify in the form of crystals. Lacquer of this type can be given a Wide range of color from the darker to the more delicate shades of all colors, and the crystalline structure can be va.- ried 4by nature of the added constituent and by the mode of drying. Thus, a rapid drying of the board under heat will give a different eii'ect than a slower drying without so much heat, or without heat.
Lacquers of this type having crystalline mode of solidil'ication are on the market. The Dupont Company, for example, makes such a lacquer. Also crystallizing substances have been used in connection with paints and varnishes, the resultant appearance being imparted due to the fact that the crystalline substance builds up a surface which resembles a cross section taken through a solid crystalline body. As an example of a lacquer which may be used for this purpose, a cellulose lacquer body to which salicylic acid has been added, with or without coloring substances, will serve.
The board so coated can be scored, or it can be scored before it is coated, or left unscored in making up box blanks, or for other uses. The crystalline additions, usually organic in nature, tend to some degree to lengthen the time of drying of the coating, so that the penetration of the lacquer is increased thereby. I tind it valuable to give some more penetration than would be permitted with the most rapid dryers among the cellulose solvents, in order to get enhanced strength characteristics.
The bending qualities of the board are dependent upon the nature of the pyroxylinor other cellulose product, which is quite tough and resilient, and irrespective of the appearance resulting from the crystallinel effect, the 100 use of lacquer by itself, in a 'thin layer on paper board, is of great value, particularly in the box art, because of permitting cheaper quite striking` in its appearance, even though-\ it be so thin as to be partially transparent, and the crystalline surface will so attract the eye as to obscure irregularities, even though by close inspection they will be discovered.
Also in color coated paperboard, where 'the coating is thin and applied with the great- 'est economy, the regularity of the coating, -while often suicient for small sized boxes,`
is frequently not good enough for a box of large area, such as a suit box. A top coating of the crystalline lacquer over the under coat of color will give much enhanced effects, and
.box board may be scored and bent w obscure the irregularities of the under coating. Furthermore, the crystalline ei'ect is one which is sufliciently broken up and often irridescent enough itself in appearance, to avoid showing up any defects in the application ofthe lacquer which contains the crystallizing material.
Having thus I claim as new and desire to ters Patent, is':- 4 i p v1. That method of protecting poorly bending box board from cracking at the score lines, which consists in coating said box board, at the score lines, at least, with a tenacious layer of va flexible substance.
2. That method of protecting poorly bending box board from cracking at the score lines, which consists in coating said box board, at the score lines, at least, with a layer of cellulose lacquer. 3. Non-bending box board having a tough and elastic surface coating of cellulose lacquer bonded to the surface bers whereby's'aid 'thout described myinvention, what cracking.
4. N on-bending box board having a tough and elastic surface coating ofcellulose lacquer bondedsto the surface fibers whereby said box board may bc'scored and bent without cracking, said cellulose lacquer having a crystalline characteristic whereby the blemishes in the face of the board are obscured. v 5..A method of producing a box with sound score lines from poorly bending box board, which comprises coating so-called non-bending box board with a thin layer of a flexible cohesive and strong coating subsecure by Letstance, afterward scoring said box board and bending it to form a finished article.
6. A method of making boxes with sound scores from poorly bending box board, which comprises treating so-called non-bending box board with a cellulose lacquer to produce a thin superficial layer of lacquer thereon, and afterward scoring said box board and bending it to produce a finished article.
7. A method of producing attractive boxes with sound scores from poorly bending box board with boxboard having surface blemishes, which lcomprises coating non-bending box board, having a relatively unsightly surface, with a cellulose lacquer having a crystalline formation and sufficient opacity to obscure said surface blemishes, afterwards scoring said box board and bending it to form the nished article. n
CHARLES L. KELLER.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201667A US1897198A (en) | 1927-06-27 | 1927-06-27 | Paper board |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201667A US1897198A (en) | 1927-06-27 | 1927-06-27 | Paper board |
Publications (1)
Publication Number | Publication Date |
---|---|
US1897198A true US1897198A (en) | 1933-02-14 |
Family
ID=22746776
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US201667A Expired - Lifetime US1897198A (en) | 1927-06-27 | 1927-06-27 | Paper board |
Country Status (1)
Country | Link |
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US (1) | US1897198A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2985075A (en) * | 1956-02-20 | 1961-05-23 | Knutsson-Hall Folke Knut | Method of manufacturing boxes of cardboard |
US3137436A (en) * | 1960-10-11 | 1964-06-16 | Int Paper Co | Paperboard overlap carton |
US3215050A (en) * | 1963-11-18 | 1965-11-02 | American Can Co | Container with pre-coated drain corner |
US3374715A (en) * | 1965-08-18 | 1968-03-26 | Agriculture Usa | Process for improving folding endurance |
US3603219A (en) * | 1966-04-04 | 1971-09-07 | Union Oil Co | Method for improving the bending quality of water resistant corrugated paperboard |
-
1927
- 1927-06-27 US US201667A patent/US1897198A/en not_active Expired - Lifetime
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2985075A (en) * | 1956-02-20 | 1961-05-23 | Knutsson-Hall Folke Knut | Method of manufacturing boxes of cardboard |
US3137436A (en) * | 1960-10-11 | 1964-06-16 | Int Paper Co | Paperboard overlap carton |
US3215050A (en) * | 1963-11-18 | 1965-11-02 | American Can Co | Container with pre-coated drain corner |
US3374715A (en) * | 1965-08-18 | 1968-03-26 | Agriculture Usa | Process for improving folding endurance |
US3603219A (en) * | 1966-04-04 | 1971-09-07 | Union Oil Co | Method for improving the bending quality of water resistant corrugated paperboard |
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