CA1178518A - Transferably flocked fiber sticker and method for producing same - Google Patents
Transferably flocked fiber sticker and method for producing sameInfo
- Publication number
- CA1178518A CA1178518A CA000387567A CA387567A CA1178518A CA 1178518 A CA1178518 A CA 1178518A CA 000387567 A CA000387567 A CA 000387567A CA 387567 A CA387567 A CA 387567A CA 1178518 A CA1178518 A CA 1178518A
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- synthetic resin
- flocked
- adhesive
- transferably
- layer
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- Treatment Of Fiber Materials (AREA)
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Abstract
ABSTRACT OF THE DISCLOSURE:
A transferably flocked fiber sticker which comprises a number of fibers releasably flocked at one end to a base sheet by release adhesive and a fiber transfer layer applied in a desired design or pattern to the end of the fibers opposite from the end of the fibers releasably flocked to the base sheet. The fiber transfer layer comprises a thermoplastic synthetic resin design adhesive layer with or without hot melt adhesive included therein and a penetrative adhesive layer applied over the design of pattern layer and containing resiliency imparting agent or resiliency assistant.
The method for producing the transferably flocked fiber sticker.
A transferably flocked fiber sticker which comprises a number of fibers releasably flocked at one end to a base sheet by release adhesive and a fiber transfer layer applied in a desired design or pattern to the end of the fibers opposite from the end of the fibers releasably flocked to the base sheet. The fiber transfer layer comprises a thermoplastic synthetic resin design adhesive layer with or without hot melt adhesive included therein and a penetrative adhesive layer applied over the design of pattern layer and containing resiliency imparting agent or resiliency assistant.
The method for producing the transferably flocked fiber sticker.
Description
Thls invention relates to a method of producing a sticker for use in atransferably flocked fi~er design material.
There have been proposed and practically employed a wide variety of transferably flocked fiber stickers and most of the prior art transferably flocked fiber stickers basically comprise (1) a fiber flocked base assembly including a base sheet formed of paper, c~oth or the like, a release adhesive layer applied to one surface of the base sheet and capable of releasably flocking fibers to the base sheet and a number of fibers releasably flocked at one end in closely adjacent and erect relation-ship to the adhesive applied sur-face of the base sheet by electrostatic blowing or the like, and (2) a thermoplastic synthetic resin adhesive transfer layer applied in a desired pattern or design to the opposi~e end of selected ones of the flocked fibers and capable of per-manently securing the fibers to a permanent support member such as a shirt or the like.
~n the transfer of the fibers in the desired design or pattern from the fiber flocked base assembly onto the shirt, the sticker is placed onto the shirt to bring the fiber transfer layer into contact with the shirt laid on a suitable stationary pad or the like and pressing the sticker against the shirt by the use o a heated iron, for example.
The heat-ironing fuses the thermoplastic synthetic resin adhesive forming the fiber transfer layer which in turn adheres to the shirt to thereby secure the end of the fibers opposite from the end thereof releasably flocked to the base sheet to the shirt. When the thermoplastic synthetic resin adhesive cools down, the fibers are firmly held on the shirt.
Next, when the fiber flocked base assembly is to be 178~8 ..i.., ? ~r-, 7~
separated from the shirt, the releasably flocked fibers to which the transfer layer is applied are separated from the base sheet and permanently transferred onto and left on the shirt with the rest of the fibers to which the transfer layer is not applied remaining on the base sheet.
As a result, the pattern or design defined by the transferred fibers is formed on the shirt in the mirror image with respect to the applied thermoplastic synthetic resin adhesive transfer layer.
The transferably flocked fiber stickers of the above-mentioned type are disclosed in Japanese Patent Application Publications Nos. 4768/1961 and 35619/1978, Japanese Patent Application No. 86541/1973, Japanese Utility Model Applications No. 90892/1973 and U.S. Patents Nos.
4,142,929 and 4,201,810, for example.
In the prior art transferably flocked fiber stickers disclosed in the above-mentioned Japanese patent and utility model applications and U.S. patents, when the fibers releasably flocked to the base sheet are to be colored, the fiber flocked base assembly is imparted thereto coloring ability or the fiber flocked base assembly is so prepared that the releasably flocked fibers can be easily separated from the base sheet when the fibers are desired to be transferred from the fiber flocked base assembly onto a shirt. And as for the formation of the fiber transfer layer of the thermoplastic synthetic resin adhesive at the end of the fibers opposite from the end thereof releasably flocked to the base sheet, the fiber transfer layer is formed by merely applying thermoplastic synthetic resin adhesive to the adjacent end of the releasably flocked fibers or by applying thermoplastic synthetic resin adhesive having powdery hot melt synthetic resin adhesive distributed therein to the adjacent end of the releasably * See page 12 for further particulars .
5:1~
flocked fibers. Alternatively, as traditionally practiced in the paddi~g and lining cloth production, a thermoplastic synthetic resin adhesive layer is first applied to the adjacent end of the releasably flocked fibers and hot melt synthetic resin adhesive is then spread over the adhesive layer to be caused to adhere to the layer.
The present invention is to provide a novel and improved method for producing a transferably flocked fiber sticker which is improved over the prior art methods for producing transferably flocked fiber stickers.
Accordingly, the present invention is herein broadly claimed as a method for producing a trans-ferably flocked fiber sticker comprising the steps ofproviding a base sheet, applying a release adhesive layer to one surface of said base sheet, said release adhesive being capable of releasably flocking fibers to said base sheet, releasably flocking a number of fibers at one end in closely adjacent and erect relation-ship to the adhesive applied surface of said base sheet by electrostatic blowing to thereby provide a fiber flocked base assembly, applying a thermoplastic synthetic resin adhesive in a desired design or pattern to the end of said fibers opposite from the end of the fibers releasably flocked to said base sheet to provide a design layer, applying powdery hot melt synthetic resin adhesive in the form of a paste in water or other aqueous solution to said design layer, heat drying the resulting product to evaporate the moisture content in said paste adhesive and at the same time partially fuse the hot melt synthetic resin adhesive so as to cause the hot melt synthetic resin adhesive to said design layer to thereby provide a penetrative layer and cooling the resulting product to firmly unite said design layer and f ~7~3518 penetrative layer together to provide a composite fiber transfer adhesive layer.
~ The above and other objects and attendant advantages of the present invention will be more readily apparent to those skilled in the art from a reading of the following detailed description in conjunction with the accompanying drawings which show one preferred embodiment of the invention for illustration purpose only, but not for limiting the scope of the same in any way.
Fig. 1 is a cross-sectional view of one embodiment of the trasferably flocked fiber sticker constructed in accordance with the present invention;
~ Fig. 2 is an explanative cross-sectional view showing the manner in which the releasably flocked fibers are transferred from the fiber flocked base assembly of the sticker of Fig. 1 onto a permanent support , , . . . , _ , _ . . , . _ _ member such :~1'7~35~ ~3 as a shirt or the like;
Fig. 3 is a cross-sectional view of the design formed on the shirt by the fibers transferred thereon;
Figs. 5, 7 and 9 are cross-sectional views of prior art transferably flocked fiber stickers showing the disadvantages inherent in the prior art stickers; and Figs. 6, 8 and 10 are cross-sectional views of designs formed on the shirt by the fibers transferred from the stickers as shown in Figs. 5, 7 and 9, respectively~
The present invention will be now described referring to the accompanying drawings and more particularly, to Figs.
1 to 3 inclusive thereof in which the preferred embodiment of the transferably flocked fiber sticker of the invention is shown. In the production of the transferably flocked fiber sticker, a base sheet 1 formed of paper, cloth or the like is provided, a release adhesive layer 2 i.s applied to one surface of the base sheet 1, a number of fibers 3 are releasably flocked at one end in closely adjacent and erect relationshi.p to the adhesi.ve applied surface of the base sheet 2G 1 by electrostaticbJ.owi.ng or the like to provide a fiber flocked base assembly 4, a thermoplastic synthetic resin adhesive design layer 5 with or without powdery hot melt synthetic resin contained therein is applied in a desired design or pattern to the opposite end of the flocked fibers 3, powdery hot metal synthetic resin adhesive in a paste form in water or other aqueous solution having resiliency imparting agent or resiliency assistant contained therein is applied to the side of the transfer layer 5 opposite from the fibers, the resulting product is dried under heating whereby the moisture content of the paste adhesive is evaporated and the hot melt synthetic resin adhesive which is the principal component in the paste is partially fused to cause the 3lt7853.~3 resiliency imparting agent or resiliency assistant contained in the hot melt synthetic resin adhesive to adhere to the design layer 5 to thereby form a penetrative adhesive layer 6, and the resulting product is cooled to solidify so that the design or pattern layer 5 and penetrativelayer 6 unite together to form a composite fiber transfer adhesive layer 7 resulting in a transferably flocked fiber sticker 8 (Fig.
1) .
In producing the transferably flocked fiber sticker by the ahove-mentioned method, the design or pattern layer 5 of thermoplastic synthetic resin adhesive with powdery hot melt synthetic resin adhesive contained therein to be applied to the end of the fibers opposite from the end thereof releas-ably flocked to the base sheet is formed by means of the silk screen printing by the use of a silk screen having a desired design or pattern printed thereon.
The powdery hot melt synthetic resin adhesive in the paste form in water or other liquid chemical having resiliency imparting agent or resiliency assistant con-tained therein is applied to the design or pattern adhesivelayer by means of the silk screen printing with the use of a silk screen having a design or pattern similar to that printed on the silk screen used in the formation of the design layer printed thereon.
The thermoplastic synthetic resin adhesive forming the design or pattern layer at the end of the releasably flocked fibers opposite from the end thereof flocked to the base sheet is one having a fusing point higher than that of the powdery hot melt synthetic resin adhesive to be contained therein, but lower that that of the hot melt synthetic resin adhesive constituting the paste adhesive to be applied to the design or pattern layer and such design or pattern layer forming J~
thermoplastic synthetic resin adhesives include acrylic synthetic resins, vinyl acetate synthetic resins and vinyl chloride synthetic resins.
The powdery hot melt synthetic resin which is the principalcomponent forming the paste adhesive to be applied to the design or pattern layer may be nylon synthetic resin or polyester synthetic resin and the resiliency imparting agent and resiliency assistant to be contained in the hot melt synthetic resin adhesive include frother and latex resin as resili.ency imparting agent and thickener, surfactant and defoamer as resiliency assistant.
Next, the transfer of the releasably flocked fibers from the fiber flocked base assembly onto a permanent support member such as snirt will be described referring to Fig. 2. The transferably flocked fiber sticker 8 is placed onto a permanent support member such as a shirt 9 to bring the fiber into contact with the shirt laid on a suitable support pad 9 and the sticker 8 is pressed against the shirt by means of a heated iron (not shown).
The ironing partially fuses the thermoplastic synthetic resin forming the design or pattern layer 5 applied to the end of the releasably flocked fibers 3 opposite from the end thereof flocked to the base sheet 1 and enhances the bridging action of the synthetic resin adhesive of the design layer. Thereafter, the sticker 8 is cooled to solidify so as to firmly hold the adjacent end of the fibers 3 therein.
The ironing also fuses the hot melt synthetic resin adhesive containing the resiliency imparting agent and resiliency assistant therein which forms the principal component of the penetrative adhesive layer 6 applied to the design or pattern layer 5 and the fused hot melt adhesive adheres to both the shirt 9 and design layer 5.
Upon the cooling of the sticker 8, the desi~n or 5~
pattern layer 5 formed of thermoplastic synthetic resin adhesive forms a fiber end holding layer and the hot~melt synthetic resin adhesive, resiliency imparting agent a;nd resiliency assistant forming the penetrative adhesive~layer 6 firmly secure the design or pattern layer 5 to the shirt 9 (see Fig. 2).
When the thermoplastic synthetic resin adhesive forming the design or pattern layer 5 contains the powdery hot melt synthetic resin adhesive, as the transferably flocked fiber sticker 8 is subjected to the heat from the iron the hot melt resin adhesive oozes out of the design layer 5 to cooperate with the components of the penetrative adhesive layer 6 in firmly securing the fibers 3 to the shirt 9.
Therefore, after the transferably flocked fiber sticker 8 has cooled down, when the fiber flocked base assembly 4 of the sticker 8 is desired to be peeled off the shirt 9, since the fibers 3 are releasably flocked to the base sheet 1 by the release adhesive layer 2, the fibers to which the composite flber transfer adhesive layer 7 is applied are separated from the base sheet 1 and firmly held on the shirt 9 and the rest of the fibers to which the penetrative adhesive layer 6 is not applied remain on the base sheet 1.
As a result, a design or pattern which does full justice to that of the composite fiber transfer layer 7 is formed on the shirt 9 (see Fig. 3).
According to the conventional methods for producing transferably flocked fiber stickers, the transferably flocked fiber stickers are produced by the methods for producing paddings and linings as disclosed in Japanese Patent Application PublicationsNos. 2042/1963 and 20869/1971. That is, a thermoplastic synthetic resin adhesive is applied in a design or pattern to the end of selected ones of the fibers 3 opposite s~
from the end thereof releasably flocked to the base sheet 1 to form a design or pattern layer 5 and powdery hot melt synthetic resin adhesive is then spread over the design layer 5 to form an adhesive layer 6 which adheres to the design layer 5 (see Fig. 4).
However, in the methods disclosed in the Japanese patent application publications referred hereinabove, it is very difficult to uniformly spread the powdery hot metal synthetic resin adhesive 6 over the thermoplastic synthetic resin adhesive design layer 5. Thus, if the powdery hot melt synthetic resin adhesive 6 is spread unevenly over the thermoplastic synthetic resin adhesive design layer 5 and allowed to adhere to the latter in the unevenly spread pattern to thereby form an uneven fiber transfer adhesive layer 7 (see Fig. 5), the fibers 3 transferred on the permanent support member 9 such as the shirt would havevarying heights resulting in the formation of an unsightly design or pattern (see Fig. 6).
In addition, it is also very difficult to spread fine powdery hot melt synthetic resin adhesive 6 precisely along the contour of the design or pattern defined by the thermoplastic synthetic resin adhesive design layer 5. If the fine powdery hot melt synthetic resin adhesive 6 is not spread precisely along the contour of the design or pattern defined by the thermoplastic synthetic resin adhesive design layer 5 (see Fig. 7), the thus formed fiber transfer adhesive layer 7 will form a design or pattern having an indefinitely defined contour on the shirt 9 (see Fig. 8).
If the hot melt synthetic resin adhesive 6 is also spread apart from the contour of design or pattern defined by the thermoplastic synthetic resin adhesive layer 5 in addition to along the contour of the design and adheres 5~3 thereto (see Fig. 9), the transferred fibers 3 will not form a design or pattern having a desired or necessary contour on the shirt 9 (see Fig. 10) because fibers 3 other than those which form the design or pattern are transferred onto the shirt~
In order to eliminate the disadvantages inherent in the conventional methods for producing transferably flocked fiber stickers as described hereinahove, hitherto, any excess of the powdery hot metal synthetic resin adhesive 6 spread over the fibers 3 which are not used for forming the design or pattern was removed from such fibers. However, the excess hot metal adhesive removal has to be performed in such a manner that the portion of the powdery hot melt synthetic resin adhesive 6 spread over the design or pattern defined by the design layer 5 is left on the design layer 5 while the portion of the hot metal adhesive 6 spread over the fibers which do not contribute to the formation of the design or pattern is removed from such fibers requiring skilled hand an~ a rather long time period.
If the excess hot metal adhesive removal operation is performed by unskilled hand, it may result in the removal of the hot melt adhesive 6 from the design or pattern forming fibers 3 to thereby form an unacceptable design or pattern.
During the excess hot metal adhesive removal operation, the removed hot metal adhesive 5 and the fibers which have fallen off the base sheet 1 tend to fly about within the working space and thus, the removal operation is detrimental to the health of workers.
Thus, the present invention is to eliminate the difficulties inherent in the conventional methods for producing transferably flocked fiber stickers by combining the conventional methods in which the design or pattern ~1'7~S~3 layer of thermoplastic synthetic resin adhesive adapted to bind the end of the fibers opposite from the end thereof releasably flocked to the base sheet is formed at the first-mentioned end of the fibers and the invention as disclosed in Japanese patent application No. 88526/1979.
This application was filed in the name of Tokyo Houlaisha Co. Ltd. (inventor Shigehiko HIGASHIGUCHI) on July 12, 1979, laid open as Publication No. 13159/1981 on February 9, 1981 and is still pendingD According to the present invention, by the above-mentioned combination, trans-ferably flocked fiber stickers can be efficiently produced by forming a uniform penetrative adhesive layer exactly in conformity with the contour of the design or pattern layer formed at the end of the fibers opposite from the end thereof releasably flocked to the base sheet to thereby form a composite fiber transfer layer.
According to the present invention, since the fiber transfer adhesive layer is formed in a design or pattern, when transferred onto a permanent support member such as a shirt, the fibers can form a design or pattern in exactly conforming with the design or pattern defined by the fiber transfer adhesive layer on the shirt. In addition, since the penetrative adhesive layer of the composite fiber transfer adhesive layer contains resiliency imparting agent or resiliency assistant, the design or pattern can smoothly expand and contract in sympathy with the expansion and contraction of the shirt to thereby eliminate the disadvantages such as deformation and/or tearing of the fiber design or pattern.
While only one embodiment of the inven-tion has been shown and described in detail, it will be understood that the same is for illustration purpose only and not to be taken as a definition of the invention, reference being had for this purpose to the appended claims.
.~., ~ ,.
11~851~
Particulars of the references mentioned in page 2.
-Japanese Patent Appln. Publication No. 4768/1961was filed May 16,-1958 under Application No. 13597/1958 in the name of Shinzo Isobe,'published for opposition May 13, 1961 and registered September 18, 1961 under Patent No. 283336 in the name of the applicant; Japanese Patent Appln. Publication No. 35619/1978 was filed February 9, 1973 under Application No. 16908/1973 in the name of Sanei Chemical Co. L-td., published for opposition September 28, 1978 and registered March 18, 1980 under Patent No. 9g0039 in the name of the applicant; Japanese Patent Application No. 86541/1973 filed July 31,'1973 as an additional patent application in the names of Katsuyuki Satake and Kazuo Otomine, changed to an independent patent application with new Application No. 122800/1973 and published for opposition March 17, 1982 under Publication No. 35111/1982 and are still pending; Japanese Utility Model Application No. 90892/1973'was filed JuIy 31, 1973 in the names of Katsuyu~i Satake and Kazuo Otomine, refiled January 9, 1978, with new Application No. 99077, after the rejection of the original application, published February 19, 1980 under Publication No. 7413/1980 and registered October 30, 1980 under U.M. Reg. No. 1352369 in the names of the applicants.
U.S. patent No. 4,1~2,9Z9, granted on March 6, 1979 and U.S. patent No. 4,201,810, granted on May 6, 1980.
There have been proposed and practically employed a wide variety of transferably flocked fiber stickers and most of the prior art transferably flocked fiber stickers basically comprise (1) a fiber flocked base assembly including a base sheet formed of paper, c~oth or the like, a release adhesive layer applied to one surface of the base sheet and capable of releasably flocking fibers to the base sheet and a number of fibers releasably flocked at one end in closely adjacent and erect relation-ship to the adhesive applied sur-face of the base sheet by electrostatic blowing or the like, and (2) a thermoplastic synthetic resin adhesive transfer layer applied in a desired pattern or design to the opposi~e end of selected ones of the flocked fibers and capable of per-manently securing the fibers to a permanent support member such as a shirt or the like.
~n the transfer of the fibers in the desired design or pattern from the fiber flocked base assembly onto the shirt, the sticker is placed onto the shirt to bring the fiber transfer layer into contact with the shirt laid on a suitable stationary pad or the like and pressing the sticker against the shirt by the use o a heated iron, for example.
The heat-ironing fuses the thermoplastic synthetic resin adhesive forming the fiber transfer layer which in turn adheres to the shirt to thereby secure the end of the fibers opposite from the end thereof releasably flocked to the base sheet to the shirt. When the thermoplastic synthetic resin adhesive cools down, the fibers are firmly held on the shirt.
Next, when the fiber flocked base assembly is to be 178~8 ..i.., ? ~r-, 7~
separated from the shirt, the releasably flocked fibers to which the transfer layer is applied are separated from the base sheet and permanently transferred onto and left on the shirt with the rest of the fibers to which the transfer layer is not applied remaining on the base sheet.
As a result, the pattern or design defined by the transferred fibers is formed on the shirt in the mirror image with respect to the applied thermoplastic synthetic resin adhesive transfer layer.
The transferably flocked fiber stickers of the above-mentioned type are disclosed in Japanese Patent Application Publications Nos. 4768/1961 and 35619/1978, Japanese Patent Application No. 86541/1973, Japanese Utility Model Applications No. 90892/1973 and U.S. Patents Nos.
4,142,929 and 4,201,810, for example.
In the prior art transferably flocked fiber stickers disclosed in the above-mentioned Japanese patent and utility model applications and U.S. patents, when the fibers releasably flocked to the base sheet are to be colored, the fiber flocked base assembly is imparted thereto coloring ability or the fiber flocked base assembly is so prepared that the releasably flocked fibers can be easily separated from the base sheet when the fibers are desired to be transferred from the fiber flocked base assembly onto a shirt. And as for the formation of the fiber transfer layer of the thermoplastic synthetic resin adhesive at the end of the fibers opposite from the end thereof releasably flocked to the base sheet, the fiber transfer layer is formed by merely applying thermoplastic synthetic resin adhesive to the adjacent end of the releasably flocked fibers or by applying thermoplastic synthetic resin adhesive having powdery hot melt synthetic resin adhesive distributed therein to the adjacent end of the releasably * See page 12 for further particulars .
5:1~
flocked fibers. Alternatively, as traditionally practiced in the paddi~g and lining cloth production, a thermoplastic synthetic resin adhesive layer is first applied to the adjacent end of the releasably flocked fibers and hot melt synthetic resin adhesive is then spread over the adhesive layer to be caused to adhere to the layer.
The present invention is to provide a novel and improved method for producing a transferably flocked fiber sticker which is improved over the prior art methods for producing transferably flocked fiber stickers.
Accordingly, the present invention is herein broadly claimed as a method for producing a trans-ferably flocked fiber sticker comprising the steps ofproviding a base sheet, applying a release adhesive layer to one surface of said base sheet, said release adhesive being capable of releasably flocking fibers to said base sheet, releasably flocking a number of fibers at one end in closely adjacent and erect relation-ship to the adhesive applied surface of said base sheet by electrostatic blowing to thereby provide a fiber flocked base assembly, applying a thermoplastic synthetic resin adhesive in a desired design or pattern to the end of said fibers opposite from the end of the fibers releasably flocked to said base sheet to provide a design layer, applying powdery hot melt synthetic resin adhesive in the form of a paste in water or other aqueous solution to said design layer, heat drying the resulting product to evaporate the moisture content in said paste adhesive and at the same time partially fuse the hot melt synthetic resin adhesive so as to cause the hot melt synthetic resin adhesive to said design layer to thereby provide a penetrative layer and cooling the resulting product to firmly unite said design layer and f ~7~3518 penetrative layer together to provide a composite fiber transfer adhesive layer.
~ The above and other objects and attendant advantages of the present invention will be more readily apparent to those skilled in the art from a reading of the following detailed description in conjunction with the accompanying drawings which show one preferred embodiment of the invention for illustration purpose only, but not for limiting the scope of the same in any way.
Fig. 1 is a cross-sectional view of one embodiment of the trasferably flocked fiber sticker constructed in accordance with the present invention;
~ Fig. 2 is an explanative cross-sectional view showing the manner in which the releasably flocked fibers are transferred from the fiber flocked base assembly of the sticker of Fig. 1 onto a permanent support , , . . . , _ , _ . . , . _ _ member such :~1'7~35~ ~3 as a shirt or the like;
Fig. 3 is a cross-sectional view of the design formed on the shirt by the fibers transferred thereon;
Figs. 5, 7 and 9 are cross-sectional views of prior art transferably flocked fiber stickers showing the disadvantages inherent in the prior art stickers; and Figs. 6, 8 and 10 are cross-sectional views of designs formed on the shirt by the fibers transferred from the stickers as shown in Figs. 5, 7 and 9, respectively~
The present invention will be now described referring to the accompanying drawings and more particularly, to Figs.
1 to 3 inclusive thereof in which the preferred embodiment of the transferably flocked fiber sticker of the invention is shown. In the production of the transferably flocked fiber sticker, a base sheet 1 formed of paper, cloth or the like is provided, a release adhesive layer 2 i.s applied to one surface of the base sheet 1, a number of fibers 3 are releasably flocked at one end in closely adjacent and erect relationshi.p to the adhesi.ve applied surface of the base sheet 2G 1 by electrostaticbJ.owi.ng or the like to provide a fiber flocked base assembly 4, a thermoplastic synthetic resin adhesive design layer 5 with or without powdery hot melt synthetic resin contained therein is applied in a desired design or pattern to the opposite end of the flocked fibers 3, powdery hot metal synthetic resin adhesive in a paste form in water or other aqueous solution having resiliency imparting agent or resiliency assistant contained therein is applied to the side of the transfer layer 5 opposite from the fibers, the resulting product is dried under heating whereby the moisture content of the paste adhesive is evaporated and the hot melt synthetic resin adhesive which is the principal component in the paste is partially fused to cause the 3lt7853.~3 resiliency imparting agent or resiliency assistant contained in the hot melt synthetic resin adhesive to adhere to the design layer 5 to thereby form a penetrative adhesive layer 6, and the resulting product is cooled to solidify so that the design or pattern layer 5 and penetrativelayer 6 unite together to form a composite fiber transfer adhesive layer 7 resulting in a transferably flocked fiber sticker 8 (Fig.
1) .
In producing the transferably flocked fiber sticker by the ahove-mentioned method, the design or pattern layer 5 of thermoplastic synthetic resin adhesive with powdery hot melt synthetic resin adhesive contained therein to be applied to the end of the fibers opposite from the end thereof releas-ably flocked to the base sheet is formed by means of the silk screen printing by the use of a silk screen having a desired design or pattern printed thereon.
The powdery hot melt synthetic resin adhesive in the paste form in water or other liquid chemical having resiliency imparting agent or resiliency assistant con-tained therein is applied to the design or pattern adhesivelayer by means of the silk screen printing with the use of a silk screen having a design or pattern similar to that printed on the silk screen used in the formation of the design layer printed thereon.
The thermoplastic synthetic resin adhesive forming the design or pattern layer at the end of the releasably flocked fibers opposite from the end thereof flocked to the base sheet is one having a fusing point higher than that of the powdery hot melt synthetic resin adhesive to be contained therein, but lower that that of the hot melt synthetic resin adhesive constituting the paste adhesive to be applied to the design or pattern layer and such design or pattern layer forming J~
thermoplastic synthetic resin adhesives include acrylic synthetic resins, vinyl acetate synthetic resins and vinyl chloride synthetic resins.
The powdery hot melt synthetic resin which is the principalcomponent forming the paste adhesive to be applied to the design or pattern layer may be nylon synthetic resin or polyester synthetic resin and the resiliency imparting agent and resiliency assistant to be contained in the hot melt synthetic resin adhesive include frother and latex resin as resili.ency imparting agent and thickener, surfactant and defoamer as resiliency assistant.
Next, the transfer of the releasably flocked fibers from the fiber flocked base assembly onto a permanent support member such as snirt will be described referring to Fig. 2. The transferably flocked fiber sticker 8 is placed onto a permanent support member such as a shirt 9 to bring the fiber into contact with the shirt laid on a suitable support pad 9 and the sticker 8 is pressed against the shirt by means of a heated iron (not shown).
The ironing partially fuses the thermoplastic synthetic resin forming the design or pattern layer 5 applied to the end of the releasably flocked fibers 3 opposite from the end thereof flocked to the base sheet 1 and enhances the bridging action of the synthetic resin adhesive of the design layer. Thereafter, the sticker 8 is cooled to solidify so as to firmly hold the adjacent end of the fibers 3 therein.
The ironing also fuses the hot melt synthetic resin adhesive containing the resiliency imparting agent and resiliency assistant therein which forms the principal component of the penetrative adhesive layer 6 applied to the design or pattern layer 5 and the fused hot melt adhesive adheres to both the shirt 9 and design layer 5.
Upon the cooling of the sticker 8, the desi~n or 5~
pattern layer 5 formed of thermoplastic synthetic resin adhesive forms a fiber end holding layer and the hot~melt synthetic resin adhesive, resiliency imparting agent a;nd resiliency assistant forming the penetrative adhesive~layer 6 firmly secure the design or pattern layer 5 to the shirt 9 (see Fig. 2).
When the thermoplastic synthetic resin adhesive forming the design or pattern layer 5 contains the powdery hot melt synthetic resin adhesive, as the transferably flocked fiber sticker 8 is subjected to the heat from the iron the hot melt resin adhesive oozes out of the design layer 5 to cooperate with the components of the penetrative adhesive layer 6 in firmly securing the fibers 3 to the shirt 9.
Therefore, after the transferably flocked fiber sticker 8 has cooled down, when the fiber flocked base assembly 4 of the sticker 8 is desired to be peeled off the shirt 9, since the fibers 3 are releasably flocked to the base sheet 1 by the release adhesive layer 2, the fibers to which the composite flber transfer adhesive layer 7 is applied are separated from the base sheet 1 and firmly held on the shirt 9 and the rest of the fibers to which the penetrative adhesive layer 6 is not applied remain on the base sheet 1.
As a result, a design or pattern which does full justice to that of the composite fiber transfer layer 7 is formed on the shirt 9 (see Fig. 3).
According to the conventional methods for producing transferably flocked fiber stickers, the transferably flocked fiber stickers are produced by the methods for producing paddings and linings as disclosed in Japanese Patent Application PublicationsNos. 2042/1963 and 20869/1971. That is, a thermoplastic synthetic resin adhesive is applied in a design or pattern to the end of selected ones of the fibers 3 opposite s~
from the end thereof releasably flocked to the base sheet 1 to form a design or pattern layer 5 and powdery hot melt synthetic resin adhesive is then spread over the design layer 5 to form an adhesive layer 6 which adheres to the design layer 5 (see Fig. 4).
However, in the methods disclosed in the Japanese patent application publications referred hereinabove, it is very difficult to uniformly spread the powdery hot metal synthetic resin adhesive 6 over the thermoplastic synthetic resin adhesive design layer 5. Thus, if the powdery hot melt synthetic resin adhesive 6 is spread unevenly over the thermoplastic synthetic resin adhesive design layer 5 and allowed to adhere to the latter in the unevenly spread pattern to thereby form an uneven fiber transfer adhesive layer 7 (see Fig. 5), the fibers 3 transferred on the permanent support member 9 such as the shirt would havevarying heights resulting in the formation of an unsightly design or pattern (see Fig. 6).
In addition, it is also very difficult to spread fine powdery hot melt synthetic resin adhesive 6 precisely along the contour of the design or pattern defined by the thermoplastic synthetic resin adhesive design layer 5. If the fine powdery hot melt synthetic resin adhesive 6 is not spread precisely along the contour of the design or pattern defined by the thermoplastic synthetic resin adhesive design layer 5 (see Fig. 7), the thus formed fiber transfer adhesive layer 7 will form a design or pattern having an indefinitely defined contour on the shirt 9 (see Fig. 8).
If the hot melt synthetic resin adhesive 6 is also spread apart from the contour of design or pattern defined by the thermoplastic synthetic resin adhesive layer 5 in addition to along the contour of the design and adheres 5~3 thereto (see Fig. 9), the transferred fibers 3 will not form a design or pattern having a desired or necessary contour on the shirt 9 (see Fig. 10) because fibers 3 other than those which form the design or pattern are transferred onto the shirt~
In order to eliminate the disadvantages inherent in the conventional methods for producing transferably flocked fiber stickers as described hereinahove, hitherto, any excess of the powdery hot metal synthetic resin adhesive 6 spread over the fibers 3 which are not used for forming the design or pattern was removed from such fibers. However, the excess hot metal adhesive removal has to be performed in such a manner that the portion of the powdery hot melt synthetic resin adhesive 6 spread over the design or pattern defined by the design layer 5 is left on the design layer 5 while the portion of the hot metal adhesive 6 spread over the fibers which do not contribute to the formation of the design or pattern is removed from such fibers requiring skilled hand an~ a rather long time period.
If the excess hot metal adhesive removal operation is performed by unskilled hand, it may result in the removal of the hot melt adhesive 6 from the design or pattern forming fibers 3 to thereby form an unacceptable design or pattern.
During the excess hot metal adhesive removal operation, the removed hot metal adhesive 5 and the fibers which have fallen off the base sheet 1 tend to fly about within the working space and thus, the removal operation is detrimental to the health of workers.
Thus, the present invention is to eliminate the difficulties inherent in the conventional methods for producing transferably flocked fiber stickers by combining the conventional methods in which the design or pattern ~1'7~S~3 layer of thermoplastic synthetic resin adhesive adapted to bind the end of the fibers opposite from the end thereof releasably flocked to the base sheet is formed at the first-mentioned end of the fibers and the invention as disclosed in Japanese patent application No. 88526/1979.
This application was filed in the name of Tokyo Houlaisha Co. Ltd. (inventor Shigehiko HIGASHIGUCHI) on July 12, 1979, laid open as Publication No. 13159/1981 on February 9, 1981 and is still pendingD According to the present invention, by the above-mentioned combination, trans-ferably flocked fiber stickers can be efficiently produced by forming a uniform penetrative adhesive layer exactly in conformity with the contour of the design or pattern layer formed at the end of the fibers opposite from the end thereof releasably flocked to the base sheet to thereby form a composite fiber transfer layer.
According to the present invention, since the fiber transfer adhesive layer is formed in a design or pattern, when transferred onto a permanent support member such as a shirt, the fibers can form a design or pattern in exactly conforming with the design or pattern defined by the fiber transfer adhesive layer on the shirt. In addition, since the penetrative adhesive layer of the composite fiber transfer adhesive layer contains resiliency imparting agent or resiliency assistant, the design or pattern can smoothly expand and contract in sympathy with the expansion and contraction of the shirt to thereby eliminate the disadvantages such as deformation and/or tearing of the fiber design or pattern.
While only one embodiment of the inven-tion has been shown and described in detail, it will be understood that the same is for illustration purpose only and not to be taken as a definition of the invention, reference being had for this purpose to the appended claims.
.~., ~ ,.
11~851~
Particulars of the references mentioned in page 2.
-Japanese Patent Appln. Publication No. 4768/1961was filed May 16,-1958 under Application No. 13597/1958 in the name of Shinzo Isobe,'published for opposition May 13, 1961 and registered September 18, 1961 under Patent No. 283336 in the name of the applicant; Japanese Patent Appln. Publication No. 35619/1978 was filed February 9, 1973 under Application No. 16908/1973 in the name of Sanei Chemical Co. L-td., published for opposition September 28, 1978 and registered March 18, 1980 under Patent No. 9g0039 in the name of the applicant; Japanese Patent Application No. 86541/1973 filed July 31,'1973 as an additional patent application in the names of Katsuyuki Satake and Kazuo Otomine, changed to an independent patent application with new Application No. 122800/1973 and published for opposition March 17, 1982 under Publication No. 35111/1982 and are still pending; Japanese Utility Model Application No. 90892/1973'was filed JuIy 31, 1973 in the names of Katsuyu~i Satake and Kazuo Otomine, refiled January 9, 1978, with new Application No. 99077, after the rejection of the original application, published February 19, 1980 under Publication No. 7413/1980 and registered October 30, 1980 under U.M. Reg. No. 1352369 in the names of the applicants.
U.S. patent No. 4,1~2,9Z9, granted on March 6, 1979 and U.S. patent No. 4,201,810, granted on May 6, 1980.
Claims (7)
1. A method for producing a transferably flocked fiber sticker comprising the steps of providing a base sheet, applying a release adhesive layer to one surface of said base sheet, said release adhesive being capable of releasably flocking fibers to said base sheet, releasably locking a number of fibers at one end in closely adjacent and erect relationship to the adhesive applied surface of said base sheet by electrostatic blowing to thereby provide a fiber flocked base assembly, applying a thermoplastic synthetic resin adhesive in a desired design or pattern to the end of said fibers opposite from the end of the fibers releasably flocked to said base sheet to provide a design layer, applying powdery hot melt synthetic resin adhesive in the form of a paste in water or other aqueous solution to said design layer, heat drying the resulting product to evaporate the moisture content in said paste adhesive and at the same time partially fuse the hot melt synthetic resin adhesive so as to cause the hot melt synthetic resin adhesive to said design layer to thereby provide a penetrative layer and cooling the resulting product to firmly unite said design layer and penetrative layer together to provide a composite fiber transfer adhesive layer.
2. The method for producing a transferably flocked fiber sticker as set forth in claim 1, in which said thermoplastic synthetic resin adhesive contains powdery hot melt synthetic resin adhesive.
3. The method for producing a transferably flocked fiber sticker as set forth in claim 1, in which said thermoplastic synthetic resin adhesive is a member selected from the group consisting of acrylic synthetic resin, vinyl acetate synthetic resin and vinyl chloride synthetic resin.
4. The method for producing a transferably flocked fiber sticker as set forth in claim 1, in which said powdery hot melt synthetic adhesive in the paste form contains resiliency imparting agent.
5. The method for producing a transferably flocked fiber sticker as set forth in claim 1, in which said powdery hot melt synthetic resin adhesive in the paste form contains resiliency assistant.
6. The method for producing a transferably flocked fiber sticker as set forth in claim 4, in which said resiliency imparting agent is a member selected from the group consisting of frother and latex resin.
7. The method for producing a transferably flocked fiber sticker as set forth in claim 5, in which said resiliency assistant is a member selected from the group consisting of viscosity promoter, surfactant and defoamer.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP55141761A JPS6054858B2 (en) | 1980-10-09 | 1980-10-09 | Short fiber grafted wax pen |
| JP141761/80 | 1980-10-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1178518A true CA1178518A (en) | 1984-11-27 |
Family
ID=15299567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000387567A Expired CA1178518A (en) | 1980-10-09 | 1981-10-08 | Transferably flocked fiber sticker and method for producing same |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS6054858B2 (en) |
| AU (1) | AU6424986A (en) |
| CA (1) | CA1178518A (en) |
| ZA (1) | ZA816738B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3706528A1 (en) * | 1987-02-28 | 1988-09-08 | Du Pont Deutschland | LAYER TRANSFER MATERIAL |
| JP4726420B2 (en) | 2003-04-25 | 2011-07-20 | 日東電工株式会社 | Adhesive tape or sheet and method for producing the same |
| JP4726421B2 (en) * | 2003-04-30 | 2011-07-20 | 日東電工株式会社 | Fiber convex structure transfer sheet |
| JP2019003879A (en) | 2017-06-19 | 2019-01-10 | 住友電装株式会社 | connector |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5053122A (en) * | 1973-07-31 | 1975-05-12 | ||
| JPS5310975B2 (en) * | 1974-05-18 | 1978-04-18 | ||
| JPS5136387A (en) * | 1974-09-18 | 1976-03-27 | Takeo Suzuki | Shokuyoseiniku no meisekishokuhozonhososhorihoho |
| DE2730530A1 (en) * | 1976-09-15 | 1978-03-23 | Allied Chem | SHAVING TOOL |
| JPS5655206Y2 (en) * | 1977-07-07 | 1981-12-23 | ||
| JPS6054858A (en) * | 1983-09-02 | 1985-03-29 | Tanaka Kikinzoku Kogyo Kk | Ink jet nozzle for printer |
-
1980
- 1980-10-09 JP JP55141761A patent/JPS6054858B2/en not_active Expired
-
1981
- 1981-09-29 ZA ZA816738A patent/ZA816738B/en unknown
- 1981-10-08 CA CA000387567A patent/CA1178518A/en not_active Expired
-
1986
- 1986-10-21 AU AU64249/86A patent/AU6424986A/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5764546A (en) | 1982-04-19 |
| AU6424986A (en) | 1987-01-15 |
| JPS6054858B2 (en) | 1985-12-02 |
| ZA816738B (en) | 1982-09-29 |
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