Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Reexamination Certificate
2000-11-08
2003-09-02
Tarazano, D. Lawrence (Department: 1773)
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
C428S518000, C427S372200, C427S388400
Reexamination Certificate
active
06613417
ABSTRACT:
FIELD OF THE INVENTION
The present invention relates to a balloon made of a synthetic resin film, such as a nylon film, on the surface of which a thin film is formed in order to conduct printing an image, characters, some so on, in good manner with the aid of a printer for use in computers. Particularly, the present invention relates to a balloon made of a synthetic resin film, which has a thin film on the surface thereof made of a polyvinyl acetate emulsion, a water-soluble polymer consisting of water and a potato starch, and a white pigment; it is printable on the thin film with a water base ink.
BACKGROUND OF THE INVENTION
Balloons made of nylon having a laminated film thereon are well known as conventional balloons made of synthetic resin. In order to print an images or designs on the surface of such balloons, a silk screen process printing is used, however, no water base ink can be used for the printing process.
When a full-color printing is required on balloons, the images or designs is directly printed on a rolled synthetic resin film before the film is processed to make up balloons, with the aid of flexography or gravure printing; the thus printed film is then processed to a bag making to be finished as balloons.
In case that it is required to print some images or designs on the surface of balloons after the bag making procedure has been taken, a screen process printing is normally used. However, the cost for plate making and printing becomes rather expensive, and there exists a technical limit in the full-color printing.
Recently, printing techniques have become such that a beautiful color printing is available near us. It is now required to easily print beautiful full-color images, such as a photo image, etc. on the surface of balloons. However, numerous costs, such as primary color separating cost, plate-making cost, and printing cost are taken; the total cost becomes about ¥300,000.—for conducting silk screen process printing, or it takes several hundreds thousand yen even for flexography or a gravure printing. It is suggested to print the images on balloons using a printer for use in computers. However, a water base ink used in the printer cannot be applicable to print images, etc. on the surface of balloons hereto, because the material of the balloon surface, such as nylon, has a hydrophobic character.
The present invention has for its purpose to solve the problem and provides novel and creative balloons made of synthetic film resin on the outer surface of which a thin film, printable with a water base ink, is formed. According to the present invention, a thin film made of macromolecular emulsion prepared with a special composition is formed on the outer surface of the balloon made of synthetic resin film, which is essentially hydrophobic; the thin film absorbs the water-base ink used in the printers and makes the ink dry.
By forming the thin film on the outer surface of balloons made of synthetic resin which accepts a water base ink used in printers for use in computers, all advantages offered by the printers can be obtained when printing an images or designs on the surface of balloons. As a result, the problem about the cost and the printing quality when printing an images or designs on the surface of balloons by the conventional method can be solved.
Furthermore, as a solution for the problem mentioned in the prior patent application filed by the present applicant, both the upper layer film and the lower layer film are used in the present invention, so that it is prevented that the adhesion of the film remarkably decreases due to a dirt or changes with time on the surface of balloons. By using the lower layer film, it can be prevented that the adhesion of the film decreases due to the change of properties of the surface of balloons, so that the upper layer film can be formed thereon in a good manner.
Particularly, by using a polyvinyl acetate, a thin film having a high transparency can be obtained; the whole amount of the water base ink from the printer is accepted to the upper layer film and the ink is reflected by the lower layer film, so that the color is transmitted through the transparent upper layer film and reflected by the lower layer film; as a result a print clearly representing the color can be obtained.
Here, the word “accept” should be is defined. “The thin film which accepts a water base ink” means a thin film having a performance that when printing is conducted with the aid of a printer for use in computers, i.e. an ink-jet type printer, fine ink dots are absorbed in the thin film without causing stain, and kept there, and the condition can be continued until the water content of the ink evaporate. The thin film, which accepts a water base ink, is, for instance, a thin film made of a mixture comprising a polyvinyl acetate emulsion, water, and a potato starch, or a thin film made of a mixture obtained by adding any other macropolymer emulsion to the emulsion made of water and any starch. The thin film should be printable with a water base ink.
It should be noted that the composition of each material and the concentration thereof are represented by weight percent according to the new measurement law, however the term “mass” is omitted here.
By forming the thin film on the surface of balloons, printers for use in computers can be used to print an images or designs on the surface of the balloon, and thus the cost for printing on the balloon can be decreased to only the cost for the ink, because no plate-making is necessary. According to the invention, a full-color printing can be realized on balloons with the printing cost of about JP¥30.
DISCLOSURE OF THE INVENTION
The balloons made of synthetic resin film according to the present invention comprises a thin film, which is printable with a water base ink, is formed on the surface thereof, wherein the film is made of a material including a polyvinyl acetate emulsion, water and any starch.
The balloons made of synthetic resin film according to the invention has an aspect that the material for the thin film, which is printable with a water base ink, further comprises a white pigment and the starch is a potato starch.
The balloons according to the present invention has another aspect in that the thin film, which is printable with a water-base ink, is made of a material including an adhesive in a condition of emulsion, water and any starch.
The balloons according to the present invention has still another aspect in that the material of the thin film, which is printable with a water base ink, further includes a white pigment and the starch is a potato starch.
More concretely, the balloons made of synthetic resin film on the surface of which a thin film, that is printable with a water base ink, is formed according to the invention has a characteristic in that: a first emulsion is obtained by mixing a potato starch and water with a ratio of 4% to 96%~20% to 80% and being subjected to a heat treatment, and a second emulsion for forming a thin film is obtained by adding a polyvinyl acetate emulsion containing a water content of 45~55% to the first emulsion with a ratio of 6 to 4~8 to 2; the thus obtained second emulsion is formed on the surface of the balloons to form the thin film thereon with the aid of a screen process printing. Further, the balloons made of synthetic resin film according to the invention has another aspect in that the balloon comprises an adhesive and a sheet having a thin film, which is printable with a water base ink; wherein the film sheet is attached to the balloon surface by means of the adhesive; the thin film is obtained in such a manner that a first emulsion is obtained by mixing a potato starch and water with a ratio of 7% to 93%~13% to 87%, adding a white pigment thereto, and being subjected to a heat treatment; a second emulsion for forming a thin film is obtained by adding a polyvinyl acetate emulsion containing a water content of 55% to the first emulsion; and the thus obtained second emulsion is formed on the surface of said sheet. The balloon made of synthetic resi
Norris & McLaughlin & Marcus
Tarazano D. Lawrence
Transworld Information Inc.
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