US3502088A - Artificial nail covering and method of preparing the same - Google Patents

Artificial nail covering and method of preparing the same Download PDF

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Publication number
US3502088A
US3502088A US559307A US3502088DA US3502088A US 3502088 A US3502088 A US 3502088A US 559307 A US559307 A US 559307A US 3502088D A US3502088D A US 3502088DA US 3502088 A US3502088 A US 3502088A
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US
United States
Prior art keywords
nail
blank
paste
catalyst
covering
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
Application number
US559307A
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English (en)
Inventor
Sven Jarby
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
INTER TAYLOR AG
Original Assignee
INTER TAYLOR AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from DK315965A external-priority patent/DK109285C/da
Priority claimed from DK67666A external-priority patent/DK116157B/da
Application filed by INTER TAYLOR AG filed Critical INTER TAYLOR AG
Application granted granted Critical
Publication of US3502088A publication Critical patent/US3502088A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q3/00—Manicure or pedicure preparations
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D31/00—Artificial nails
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
    • A61K8/81—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
    • A61K8/8141—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
    • A61K8/8152—Homopolymers or copolymers of esters, e.g. (meth)acrylic acid esters; Compositions of derivatives of such polymers

Definitions

  • a set of components for forming an artificial finger nail consists of a plastic nail blank having an inner face concavely curved in three dimensions and a paste like adhesive having an acrylic monomer base.
  • An oxidizing catalyst which is not initially present in the adhesive is provided either as a coating on the concave blank face or in a separate lacquer component of the set. The separate catalyst lacquer is applied to a digit and followed by the adhesive and the nail blank.
  • This invention relates to cosmetic compositions and their use, and particularly to an artificial nail covering.
  • the known mechanical fasteners do not hold the nail blank with sufficient force to withstand stresses encountered in normal use of a hand or foot.
  • the bonding agents heretofore employed in this art do not combine the properties desirable in such a material in a satisfactory manner.
  • the object of the invention is the provision of a decorative nail covering in which an artificial blank is attached to a digit by a bonding agent having high mechanical bonding strength and good resistance to water, aqueous detergent solutions, and other media with which the hands or feet of a wearer may normally be expected to come in contact.
  • a further object is the avoidance of contact between the nail bed or other body surfaces and materials in the nail covering which may irritate body tissues.
  • An additional object is the provision of a set of materials from which even a person lacking manual dexterity can form a nail covering very rapidly and easily.
  • the invention in one of its aspects, resides in a two-component set of materials.
  • One component is a nail blank, an elongated thin sheet of resilient solid material, whose outer and inner faces are curved in two planes perpendicular to each other, the inner face being concave and provided with an oxidizing catalyst.
  • the other component is a bonding agent for adhesively bonding the inner face of the blank to the digit to be covered.
  • the bonding agent of the invention is a paste-like adhesive mass which is free from volatile solvents and responds to contact with the catalyst on the inner face of the blank by curing and thereby adhering to the inner face as Well as to the digit, more particularly to the natural nail of the latter.
  • the adhesive material of the preferred adhesive composition of this invention contains a liquid, polymerizable organic monomer which is polymerized to a solid by contact with the catalyst on the nail blank at body temperature or even at the somewhat lower temperatures which may prevail at the exposed ti of the treated digit. The adhesive layer is thereby hardened.
  • FIG. 1 shows a finger tip provided with an artificial nail covering of the invention in side elevation, and partly in section on line II in FIG. 2;
  • FIG. 2 shows the finger tip in plan view.
  • a layer of cured bonding agent 3 covers the nail 2 and extends to the nail fold 4.
  • the layer 3 is covered, though not completely, by a thin, shape retaining, artificial nail blank 5 which is of arcuate contour not only in the longitudinal median plane of the blank, as shown in FIG. 1, but also in all planes perpendicular to the plane of FIG. 1 and to the direction of elongation of the nail blank 5, as is evident from FIG. 2.
  • the blank 5 is a resilient molded sheet of thermoplastic synthetic polymer resin containing minor amounts of plasticizer, if needed, and coloring agents, if so desired.
  • the plasticizer and coloring agents, if any, are added to the resin prior to molding so that they are uniformly distributed in the nail blank 5 from the convex outer face to the concave inner face.
  • the radii of curvature of the concave face are smaller than those of the corresponding sections of the natural nail 2 so that the latter and the nail blank 5 enclose a space whose thickness decreases from the center toward the nail fold 4 as best seen in FIG. 1.
  • the space is completely filled with cured bonding agent 3.
  • An additional amount of the bonding agent extends in a U-shape along the nail fold 4 as is evident from FIG. 2.
  • the preferred materials for the nail blank 5 are resin compositions consisting mainly of polycarbonates or of acrylic polymers, polymethyl methacrylate having particularly desirable optical, mechanical and chemical properties. It may be replaced, at least in part, by polymerized other lower alkyl esters of acrylic and methacylic acid, by polyacrylonitrile, and by polymethacrylonitrile. Many other materials are suitable for use as nail blanks, and will readily suggest themselves to those skilled in the art.
  • a protective lacquer may first be applied to the finger tip, that is, to the exposed faceof the nail 2 and to the nail fold 4 where it is expected to make contact with the bonding agent 3.
  • the lacquer is permitted to dry, and is too thin when dired to be visible on the scale of FIG. 1. It may contain a catalyst for curing the bonding agent.
  • the inner face of the nail blank 5 is coated with the same catalyst-bearing lacquer, or catalyst may be applied to the blank 5 in any other manner.
  • a layer of the bonding agent 3, which is originally a plastically deformable paste, is applied next to the finger tip 1 over the protective lacquer layer or directly to the nail 3 and other portions of the finger when a protective lacquer is not employed.
  • the inner face of the nail blank 5 is pressed against the layer of bonding agent so that air is displaced from the space between the adhesive mass and the nail blank. If the amount of bonding agent applied was greater than needed to fill the space between the blank and the 3 finger tip, the excess is extruded along the edges of the blank.
  • the blank illustrated in the drawing is somewhat undersized, that is, it does not quite. cover the nail 3.
  • the extruded portion of the bonding agent covers the remainder of the nail 3, and may be trimmed as needed.
  • the catalyst in the protective lacquer or on the underside of the nail blank dilfuses into the bonding agent and causes the same to cure rapidly.
  • EXAMPLE 1 An adhesive paste was prepared by mixing the following ingredients:
  • the strength of the bond increased in the few additional minutes required for substantially completely curing the paste, and was thereafter sufiicient to prevent separation of the blank from the natural nail by reasonable mechanical forces, such as those a natural finger nail is expected to withstand.
  • the artificial nail covering was not loosened when the wearer took a bath or immersed the hands in warm water containing a strong dishwashing or laundering detergent.
  • a nail blank consisting mainly of polymethyl methacrylate was more strongly bonded to the finger tip by the afore-described adhesive paste than the polycarbonate blank because the identical polymers in the blank and in the paste were integrally bonded to each other after curing of the paste.
  • a distinct phase boundary between the materials of the nail blank and of the cured adhesive mass could not be found under the microscope in the sectioned nail covermg.
  • a small amount of pigments or other coloring matter admixed to the resin from which the nail blank was molded did not have a measurable effect on the bond between the blank and the finger tip.
  • EXAMPLE 2 A nail blank having the shape shown in the drawing was made from polycarbonate resin by injection molding. Its inner face was coated with a lacquer prepared from 5 parts each of benzoyl peroxide and polymethyl methacrylate, and 2.5 parts methylethyl ketone, and the solvent was permitted to evaporate. The same lacquer was applied to a finger tip before the latter was covered with a layer of adhesive paste of the following composition:
  • Redox catalyst systems are preferred, and a system in which benzoyl peroxide is the oxidizing component and pure N,N-dirnethyl-p-toluidine is the reducing component has been found to combine particularly convenient properties.
  • Other redox catalyst systems suitable for inducing polymerization of acrylic monomers are known and may be employed to perform their conventional functions in this invention.
  • Acrylic bonding agents are preferred, particularly when combined with artificial nail blanks of the same or closely related material, but bonding agents based on polyesters, polycarbonates, or copolymers of acrylic monomers with' each other or with the monomeric constituents of the polyesters or the polycarbonates may readily be formulated by those skilled in the art on the basis of the above teachings.
  • the paste composition has a long shelf life as long as it does not make contact with an oxidizing catalyst or the oxidizing component of a redox polymerization catalyst system. It does not tend to spread on the digit in an uncontrolled manner so that undesired physiological effects of the unsaturated monomer on body tissues can be avoided.
  • the same considerations apply to the reducing component of a redox catalyst system which is usually a tertiary amine present in an amount of 0.5 to 1% of the monomer, and which also may have strong physiological effects in contact wtih some body tissues.
  • the paste compositions listed above cure substantially completely within seven minutes after contact with the oxidizing component of the catalyst system.
  • the time available for forming the artificial nail covering is thus limited, but amply sufficient in view of the simple method of application available with the two-component system of materials provided by this invention.
  • the short curing time makes it also practical to dispense with the use of a protective lacquer between the adhesive paste and the nail or skin if reasonable care is taken to keep the paste away from open cuts or wounds.
  • the three-dimensional curvature of the nail blank employed, and the fact that the space between nail blank and digit surface is completely filled by the cured paste when the nail covering of the invention has been formed, is responsible to a substantial extent for the good mechanical strength of the covering, and also for its resistance to water and other liquids.
  • Adhesive paste exposed by an undersized nail blank may be coated with catalyst-bearing lacquer to accelerate its curing.
  • coloring matter may be contained in the bonding agent as well as in the nail blank, and known pigments other than those specifically disclosed are obviously operative.
  • nacreous pigments is specifically contemplated to enhance the appearance of the nail blank and of those portions of the bonding agent which may become visible in the finished nail covering.
  • a set of materials for forming an artificial nail covering on a digit of a user comprising in combination:
  • shape retaining, resilient material having an outer face and an inner face, said inner face being concave in the longitudinal median plane thereof and in a plurality of planes perpendicular to said median plane;
  • bonding means for adhesively bonding said inner face to said digit, said bonding means being a pastelike adhesive mass substantially free of said catalyst and respsonsive to contact With said catalyst to cure and thereby to adhere to said inner face, said catalyst being free of said bonding means and contained in a dry layer.
  • said bonding means includes a polymerizable synthetic organic monomer adapted to be polymerized at a temperature not exceeding 37 C. by contact With said catalyst.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Birds (AREA)
  • Epidemiology (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Cosmetics (AREA)
  • Materials For Medical Uses (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Treatment And Processing Of Natural Fur Or Leather (AREA)
  • Paints Or Removers (AREA)
  • Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
US559307A 1965-06-22 1966-06-21 Artificial nail covering and method of preparing the same Expired - Lifetime US3502088A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DK315965A DK109285C (da) 1965-06-22 1965-06-22 Fremgangsmåde til opbygning af kunstige negle og materialesæt til anvendelse ved fremgangsmåden.
DK67666A DK116157B (da) 1966-02-09 1966-02-09 Fremgangsmåde til opbygning af kunstige negle.

Publications (1)

Publication Number Publication Date
US3502088A true US3502088A (en) 1970-03-24

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Family Applications (1)

Application Number Title Priority Date Filing Date
US559307A Expired - Lifetime US3502088A (en) 1965-06-22 1966-06-21 Artificial nail covering and method of preparing the same

Country Status (6)

Country Link
US (1) US3502088A (de)
AT (1) AT264846B (de)
CH (1) CH542610A (de)
DE (1) DE1617870A1 (de)
ES (1) ES328261A1 (de)
GB (1) GB1143977A (de)

Cited By (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3750684A (en) * 1972-07-13 1973-08-07 D Russell Artificial nail and method of applying the same
US3786820A (en) * 1973-02-20 1974-01-22 R Kopfer Mixer and applicator for fingernail repair material
US4007748A (en) * 1975-03-12 1977-02-15 Eve-N-Tips Industries Fingernail extension
US4222399A (en) * 1977-09-19 1980-09-16 Miruleta Ionescu Artificial nail
US4229431A (en) * 1979-02-05 1980-10-21 Lee Pharmaceuticals Method of applying self curing artificial nails
US4495172A (en) * 1980-02-04 1985-01-22 Scientific Pharmaceuticals, Inc. Nail coating
US4632134A (en) * 1984-12-07 1986-12-30 Lacuticle, Inc. Artificial fingernail construction
US4682612A (en) * 1983-08-12 1987-07-28 Zotos International, Inc. Novel process and article for preparing artificial nails
USD434529S (en) * 1999-06-03 2000-11-28 Michele Washington Fingernail enhancement
US6293283B1 (en) 1999-06-03 2001-09-25 Michele Washington Apparatus and method for covering fingernails
US6394100B1 (en) 2000-05-01 2002-05-28 Kmc Exim Corp. Reusable artificial fingernail having molded textured surface
US6488506B2 (en) * 1996-11-01 2002-12-03 John Grace Training aid for application of false nails
US20030209250A1 (en) * 2000-06-27 2003-11-13 Kmc Exim Corp. Artificial nail having a color transition portion
US20030208895A1 (en) * 2002-05-13 2003-11-13 Kmc Exim Corp. Heat-stamped metallic artificial nail
US20040079381A1 (en) * 2002-10-28 2004-04-29 Kiss Products, Inc. Artificial fingernail and fingernail extension
US20050121048A1 (en) * 2002-10-28 2005-06-09 Kiss Products, Inc. Fingernail accessory and method of forming an artificial fingernail
US20060191551A1 (en) * 2002-10-28 2006-08-31 Kiss Products, Inc. Conformable artificial fingernail and method of making same
US20060237027A1 (en) * 2002-10-28 2006-10-26 Kiss Nail Products, Inc. Artificial nail and method of forming same
US7185660B1 (en) 2004-05-13 2007-03-06 Kiss Nail Products, Inc. Artificial fingernail and method of making same
US20080289646A1 (en) * 2004-08-16 2008-11-27 Pacific World Corporation Structurally flexible artificial nails
US20090241976A1 (en) * 2008-03-26 2009-10-01 Kmc Exim Corp. Artificial nail/tip arrangements having multiple sections
WO2010020873A1 (en) * 2008-08-21 2010-02-25 Christine Sverko Repair set for fingernails comprising onychophagia prevention
US20110030711A1 (en) * 2002-10-28 2011-02-10 Kiss Nail Products, Inc. Artificial nail and method of forming same
EP1786287B1 (de) * 2004-08-16 2016-08-24 Pacific World Corporation Strukturell flexible künstliche fingernägel
US20180184780A1 (en) * 2015-06-29 2018-07-05 L V M H Recherche Article For Decorating A Person's Skin Or Nail And Method Using Such An Article
CN108495573A (zh) * 2016-01-13 2018-09-04 东实穗 美甲处理方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU527793B2 (en) * 1978-01-26 1983-03-24 Kristy Wells Inc. Sculptured artificial nail

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2688331A (en) * 1949-08-03 1954-09-07 Bogoslowsky Elizabeth Nail coating blank and method of making same
US2941535A (en) * 1957-09-16 1960-06-21 Robert J Lappe Artificial nail covering and method of applying same
US3157912A (en) * 1962-05-08 1964-11-24 Lisczawka Dorothy Finger and toe nail moulds for creating artificial finger and toe nails

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2688331A (en) * 1949-08-03 1954-09-07 Bogoslowsky Elizabeth Nail coating blank and method of making same
US2941535A (en) * 1957-09-16 1960-06-21 Robert J Lappe Artificial nail covering and method of applying same
US3157912A (en) * 1962-05-08 1964-11-24 Lisczawka Dorothy Finger and toe nail moulds for creating artificial finger and toe nails

Cited By (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3750684A (en) * 1972-07-13 1973-08-07 D Russell Artificial nail and method of applying the same
US3786820A (en) * 1973-02-20 1974-01-22 R Kopfer Mixer and applicator for fingernail repair material
US4007748A (en) * 1975-03-12 1977-02-15 Eve-N-Tips Industries Fingernail extension
US4222399A (en) * 1977-09-19 1980-09-16 Miruleta Ionescu Artificial nail
US4229431A (en) * 1979-02-05 1980-10-21 Lee Pharmaceuticals Method of applying self curing artificial nails
US4495172A (en) * 1980-02-04 1985-01-22 Scientific Pharmaceuticals, Inc. Nail coating
US4682612A (en) * 1983-08-12 1987-07-28 Zotos International, Inc. Novel process and article for preparing artificial nails
US4632134A (en) * 1984-12-07 1986-12-30 Lacuticle, Inc. Artificial fingernail construction
US6488506B2 (en) * 1996-11-01 2002-12-03 John Grace Training aid for application of false nails
USD434529S (en) * 1999-06-03 2000-11-28 Michele Washington Fingernail enhancement
US6293283B1 (en) 1999-06-03 2001-09-25 Michele Washington Apparatus and method for covering fingernails
US6394100B1 (en) 2000-05-01 2002-05-28 Kmc Exim Corp. Reusable artificial fingernail having molded textured surface
US20030209250A1 (en) * 2000-06-27 2003-11-13 Kmc Exim Corp. Artificial nail having a color transition portion
US20030208895A1 (en) * 2002-05-13 2003-11-13 Kmc Exim Corp. Heat-stamped metallic artificial nail
US6742237B2 (en) * 2002-05-13 2004-06-01 Kmc Exim Corp. Method of making a heat-stamped metallic artificial nail
US20060237027A1 (en) * 2002-10-28 2006-10-26 Kiss Nail Products, Inc. Artificial nail and method of forming same
US7677257B2 (en) 2002-10-28 2010-03-16 Kiss Nail Products, Inc. Artificial nail and method of forming same
US20060191551A1 (en) * 2002-10-28 2006-08-31 Kiss Products, Inc. Conformable artificial fingernail and method of making same
US20040079381A1 (en) * 2002-10-28 2004-04-29 Kiss Products, Inc. Artificial fingernail and fingernail extension
US7150281B2 (en) * 2002-10-28 2006-12-19 Kiss Nail Products, Inc. Conformable artificial fingernail and method of making same
US8807145B2 (en) 2002-10-28 2014-08-19 Kiss Nail Products, Inc. Artificial nail and method of forming same
US7337783B2 (en) 2002-10-28 2008-03-04 Kiss Nail Products, Inc. Fingernail accessory and method of forming an artificial fingernail
US20080251092A1 (en) * 2002-10-28 2008-10-16 Kiss Nail Products, Inc. Artificial nail and method of forming same
US8448648B2 (en) 2002-10-28 2013-05-28 Kiss Nail Products, Inc. Artificial nail and method of forming same
US8136535B2 (en) 2002-10-28 2012-03-20 Kiss Nail Products, Inc. Artificial nail and method of forming same
US20110030711A1 (en) * 2002-10-28 2011-02-10 Kiss Nail Products, Inc. Artificial nail and method of forming same
US20050121048A1 (en) * 2002-10-28 2005-06-09 Kiss Products, Inc. Fingernail accessory and method of forming an artificial fingernail
US7185660B1 (en) 2004-05-13 2007-03-06 Kiss Nail Products, Inc. Artificial fingernail and method of making same
US8210185B2 (en) * 2004-08-16 2012-07-03 Pacific World Corporation Structurally flexible artificial nails
US20080289646A1 (en) * 2004-08-16 2008-11-27 Pacific World Corporation Structurally flexible artificial nails
EP1786287B1 (de) * 2004-08-16 2016-08-24 Pacific World Corporation Strukturell flexible künstliche fingernägel
US20090241976A1 (en) * 2008-03-26 2009-10-01 Kmc Exim Corp. Artificial nail/tip arrangements having multiple sections
WO2010020873A1 (en) * 2008-08-21 2010-02-25 Christine Sverko Repair set for fingernails comprising onychophagia prevention
US20180184780A1 (en) * 2015-06-29 2018-07-05 L V M H Recherche Article For Decorating A Person's Skin Or Nail And Method Using Such An Article
US11344098B2 (en) * 2015-06-29 2022-05-31 L V M H Recherche Article for decorating a person's skin or nail and method using such an article
CN108495573A (zh) * 2016-01-13 2018-09-04 东实穗 美甲处理方法

Also Published As

Publication number Publication date
AT264846B (de) 1968-09-10
GB1143977A (en) 1969-02-26
DE1617870A1 (de) 1971-04-08
ES328261A1 (es) 1967-04-01
CH542610A (de) 1973-10-15

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