US2350421A - Method of producing inlaid jewels - Google Patents

Method of producing inlaid jewels Download PDF

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US2350421A
US2350421A US375470A US37547041A US2350421A US 2350421 A US2350421 A US 2350421A US 375470 A US375470 A US 375470A US 37547041 A US37547041 A US 37547041A US 2350421 A US2350421 A US 2350421A
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jewels
plastic
mould
jewel
pattern
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US375470A
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William P Schoder
Joseph P Ruth
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William P Schoder
Joseph P Ruth
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B44DECORATIVE ARTS
    • B44CPRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C5/00Processes for producing special ornamental bodies
    • B44C5/005Processes for producing special ornamental bodies comprising inserts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/02Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
    • B29C43/18Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. compression moulding around inserts or for coating articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/02Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
    • B29C43/20Making multilayered or multicoloured articles
    • B29C43/203Making multilayered articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/68Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers, e.g. foam blocks
    • B29C70/70Completely encapsulating inserts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B44DECORATIVE ARTS
    • B44CPRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C1/00Processes, not specifically provided for elsewhere, for producing decorative surface effects
    • B44C1/26Inlaying with ornamental structures, e.g. niello work, tarsia work
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B44DECORATIVE ARTS
    • B44CPRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C3/00Processes, not specifically provided for elsewhere, for producing ornamental structures
    • B44C3/04Modelling plastic materials, e.g. clay
    • B44C3/046Modelling plastic materials, e.g. clay using a modelling surface, e.g. plate
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2033/00Use of polymers of unsaturated acids or derivatives thereof as moulding material B29K2035/00 takes precedence
    • B29K2033/04Polymers of esters
    • B29K2033/12Polymers of methacrylic acid esters, e.g. PMMA, i.e. polymethylmethacrylate
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/06Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
    • B29K2105/16Fillers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/25Solid
    • B29K2105/251Particles, powder or granules
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2705/00Use of metals, their alloys or their compounds, for preformed parts, e.g. for inserts
    • B29K2705/08Transition metals
    • B29K2705/14Noble metals, e.g. silver, gold or platinum
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0018Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular optical properties, e.g. fluorescent or phosphorescent
    • B29K2995/002Coloured
    • B29K2995/0021Multi-coloured
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0018Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular optical properties, e.g. fluorescent or phosphorescent
    • B29K2995/0025Opaque
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0018Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular optical properties, e.g. fluorescent or phosphorescent
    • B29K2995/0026Transparent
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2011/00Optical elements, e.g. lenses, prisms
    • B29L2011/0016Lenses
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00Other particular articles
    • B29L2031/722Decorative or ornamental articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00Other particular articles
    • B29L2031/743Jewellery
    • B29L2031/7434Medals
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/55Processes for making jewelry

Description

June 6, 1944., w. P. SCHODER ET AL 2,350,421 METHOD PRODUCING INLAID JEWELS Filed Jan. 22, 1941 /n.ven t ors W/ll/am P. Schqaer Joseph 1? Ruth Attorney Patented June 6, 1944 METHOD OF PRODUCING INLAID JEWELS William P. Schoder and Joseph P. Ruth, 1

\ Denver, Colo.

Application January 22, 1941, Serial No. mm

' 2 Claims. (Cl' 18-59) This invention relates to the ornamental .arts, and more particularly to the production of jewels or gems designed to attract and please the eye and adapted for use in an almost infinite variety of specific settings or mountings.

A further object of the invention is to provide an improved method of producing synthetic jewels from readily-available materials.

A further object of the invention-is to provide an improved method of producing inlaid jewels in the form of unitary, homogeneous, moulded assemblies.

A further object of the invention is to provide an improved method for embedding an inlaid pattern in a synthetic jewel.

A further object of the invention is to provide an improved method of producing inlaid jewels which is simple and inexpensive of practice, which is readily adaptable to the production of jewels of varying sizes, forms, and patterns, which is susceptible of use in the production of jewels from various specific materials, and which may conveniently be given effect through known and readily-available apparatus.

Our invention consists in the sequence ofsteps whereby such jewel is produced, all as hereinafter set forth, pointed out in our claims, and illustrated by the accompanying drawing, in which Figure 1 is a cross section vertically through conventionalized moulding means as initially charged for the production of our improved jewels. Figure 2 is a view similar to Figure 1 showing the relative position assumed by elements ofthe moulding apparatus upon completion of the moulding operation. Figures 3, 4, 5, 6, and 1 are face views of various forms, sizes, and patterns of inlaid jewels produced in accordance with the principles of our invention. Figures 8, 9, l0, l1, and 12 are side'elevations, respectively, of the jewels shown in Figures 8, 4, 5, 6, and 7.

Our improved jewel is a novel and attractive manufactured product particularly adapted for use in and with costume jewelry of high quality, and is susceptible of production as a durable, homogeneous unitin various specific sizes, forms, patterns, and colors, for use as settings in rings, bracelets, brooches, pins, and as ornamental studs and buttons. The jewel consists, essentlalLv, oi a homogeneous moulded plastic body comprising a transparent, lenticular face portion and a pigmented opaque back portion, and a mosaic pattern of metallic particles embedded in and for view through the lenticular face portion adjacent the opaque back portion.

The improved jewel is susceptible of production through the use of various specific materials, but is most conveniently and practically formed from a combination of plastic material susceptible of being moulded by means of relatively low temperatures and moderate pressures wherein the pattern is formed of metallic particles having a melting point well above that necessary to mould the associated plastic. Particularly desirable results have been obtained through the use of Lucite, a methyl-methacrylate, synthetic resin having a melting point of approximately 200 degrees F., as a mouldable plastic and native flake gold as a material for the mosaic patterns, the showing of the drawing illustrating actual jewels formed from the materials named.

In the construction of the. improved jewels, it is convenient to utilize conventional moulding apparatus of the type illustrated in the drawing, which apparatus may include a base portion l5, formed of suitable metal or equivalent heatconducting material, and adapted to be heated by suitable means, such as an electrical element i6.- The mould base I! is provided with an upwardly-opening chamber adapted to receive the material to be moulded, and a follower member i'|,'ot metal or like heat-conducting material, is adapted to ,flt closely within and slide relative to the chamber of the base portion in such manner as to apply pressure to the contents of said chamber. The follower I1 is arranged to be heated, as by means of an electrical element It, andis adapted to cooperate with means for the application of pressure acting to force said follower downwardly within the .chamber of the base portion, such means being indicated in the Figure 2 at it.

' In utilizing the typical apparatus shown and described for production of the improved jewels, the lower end of the chamber in the mould base I! is concaved to the curvature desired on the finished face of the completed jewel, and the lower portion 01' said chamber is then charged with a quantity. of transparent plastic in raw form, the quantity of material used'being determined by the thickness oi the lens desired on the completed jewel and the shrinkage coefllcient indicating the ratio between the volumes of the 65 may be manually developed by the juntaposition tially used in the and arrangement of flakes and particles suiiiciently resistant to heat as to preserve their original character during the moulding of the plastic. The particles or flakes constituting the mosaic pattern are indicated at 20 and the initial charge of plastic material in raw form is indicated in place within the mould base it by the numeral it. After the mosaic pattern has been laid within the mould base", it is preferably covered by a relatively thin layer of the same transparent plastic in raw form as was inimould charge. such a layer of transparent material being designated by. the numeral 22, and the mould charge is then completedv by a layer I! of pigmented and opaque plastic in raw form, this plastic preferably being of the same character and mouldable properties as that utilized in the initial mould charge and the layer 23 being of such thickness as may be necessary to produce the desired thickness of backing portion in the finished Jewel.

With the mould charge completed as abovedescribed, the follower i1 is inserted in the mould chamber of the base portion and heat is applied through the elements It and ll to that'degree necessary to melt the plastic of the mould charge without altering or destroying the mosaic pattern formed by the flakes It, a suitable pressure being maintained on the upper end of the follower il during and subsequent to the melting operation so as to compact and fully set'the melted plastic in a homogeneous unit wherein the mosaic pattern is embedded. As is customary in typical plastic-moulding operations. heating of the mould elements is discontinued after melting of the'plastic is completed, and pressure is maintained on the mould contents during cooling thereof. .The completed jewel formed as above described will present a lenticular, clear, transparent face portion 24 wherein is embedded the mosaic pattern 28 and behind which is the opaque, colored backing layer 26 against which the pattern stands out in bold relief. As will be immediately apparent, the colored backing portion or the jewel may be moulded directly 4' against the mosaic pattern, and the face portion of the jewel may be tinted without destroying its essential transparency, all of which is well within the contemplation of the instant invention.

Figures 3 to 12, inclusive, illustrate various forms and specific shapes to which the improved jewels may be moulded, theexamples shown being but a few of the variations possible in the finished. product through convenient adaptation 'ofmold size and specific shape. The mosaic pat-.v

larlysuitable material from which to develop the improved jewels in accordance with our improved method. it is to be noted that any plastic or equivalent material mouldable to both transparent and opaque form at temperatures that will not damage or destroy the pattern material, may be utilized, and that any material not affected by the molding heat and pressure may be utilized in place of the gold flakes for development of the mosaic pattern. Likewise, the pattern to be embedded in the finished jewel ml-y be a unitary designformed in advance by stamping or moulding, but an effect much to be preferred is obtained when the native gold flakes are assembled for cooperation in a mosaic pattern or design.

Since many changes, variations, and modifications inthe-specific form, construction. and arrangement of the elements shown and described. and in the specific relationship of steps hereabove set forth, may be had without departing from the spirit of our invention. we wishrto be understood as being limited solely by the scope of the appended claims, rather than by any details of the illustrative showing and foregoing I description.

We claim as our invention:'

1 1. The method of producing inlaidjewels terns susceptible of developmentln the finished jewel are limited in number and variety only by the shape and character of metallic particles available and by the skill of'the designer, the

native gold flakes hereabove mentioned being particularlydesirable because of the great variety of flake size and shape and the consequent ease of their use in the development ofdesired pat- While it has been above noted that Lucite in combination with native gold flakes is a particuwherein the inlay is magnifled in apparent floating relation against a contrasting back round, which consists of charging a concaved mould with a quantity of raw, transparent plastic material suillcient to form a relatively-deep, convex lens,-

laying an open mosaic pattern of heat-resistant particles on the smoothed, substantially-plane upper surface of the initial mould charge, covering, said pattern with a shallow layer of the same raw transparent plastic material, completing the mould charge with a layer of raw plastic material pigmented to be opaque in final moulded condition, and applying heat and pressure to the charged mold to respectively melt and compact the plastic in homogeneous, enclosing relation throughand about saidtpattem.

2. The method of producing inlaid Jewels wherein the inlay is magnified in apparent floating relation against a contrasting background, which consists of charging a concaved mould with a quantity of raw, transparent methylmethacrylate, synthetic resin sufllcient to form a relatively-deep,. convex lens, laying an open mosaic pattern of native gold flakes on the smoothed, substantially-plane upper surface of the initial mould charge, covering said pattern with a shallow layer of raw, transparent methylmethacrylate, synthetic resin, completing the mould charge with a layer of raw, black methylmethacrylate, synthetic resin, and applying heat and pressure to. the charged mould to respectively melt and compact the plastic as a homogeneous mass penetrating and enclosing the pattern for view through the transparent lens portion.in slightly-spaced relation forwardly of the opaque backing portion. a

WIILIAM P. SCHODER.

JOSEPH P. RUTH.

US375470A 1941-01-22 1941-01-22 Method of producing inlaid jewels Expired - Lifetime US2350421A (en)

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Cited By (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2451913A (en) * 1945-10-05 1948-10-19 Walter J Brice Plastic ornamental article
US2499577A (en) * 1946-08-23 1950-03-07 Menasco Mfg Company Method of inspecting welds
US2560117A (en) * 1947-01-31 1951-07-10 Robert W Mallary Sign
US2747230A (en) * 1952-04-24 1956-05-29 Finn H Magnus Method for producing plastic encased articles
DE961028C (en) * 1952-09-17 1957-03-28 Stebler Saner Metallwarenfabri A method of embedding deposits in the form of meshes, grids, fonts, grasses od. Like. In Kunstharzkoerper
US2871152A (en) * 1955-12-06 1959-01-27 Frank J Tobin Laminated tile
US2972784A (en) * 1958-03-04 1961-02-28 Arthur S La Pine & Company Method of encapsulating a magnet with polytetrafluoroethylene
US3002866A (en) * 1956-05-15 1961-10-03 Us Rubber Co Inking roll
US3038828A (en) * 1958-03-31 1962-06-12 Goodyear Tire & Rubber Decorative plastic floor covering or the like and method of making the same
US3070883A (en) * 1959-06-09 1963-01-01 Grathwohl Kenneth Tuthill Disposable razor
US3187444A (en) * 1961-08-28 1965-06-08 Gen Electric Specimen mounting
US3294887A (en) * 1960-11-15 1966-12-27 Altermatt Max Process for manufacturing elongated members of plastic, particularly of synthetic resin, which have eyelike portions and are reinforced by inserts consisting preferably of fiber materials
US3348319A (en) * 1965-05-24 1967-10-24 Mary C Harrison X-ray demonstration prism
US3379603A (en) * 1959-04-24 1968-04-23 Barnette Stanley Ronald Cast plastic laminates and cast plastic articles of manufacture
US3412575A (en) * 1966-01-18 1968-11-26 Feldman Charles Jewelry article including thin metal and dielectric films
US3886248A (en) * 1969-08-15 1975-05-27 Donald C Nicholson Method of making plastic embedded specimens
US4067947A (en) * 1976-12-27 1978-01-10 Camillus Cutlery Co. Method of fabricating a decorative knife handle
US4259388A (en) * 1977-08-23 1981-03-31 The D. L. Auld Company Medallion-like articles, lamp lenses and method for their manufacture
US4263734A (en) * 1979-08-31 1981-04-28 Bradshaw Vincent L Method of making a ceramic article and article of manufacture
USRE33175E (en) * 1974-06-12 1990-03-06 The D. L. Auld Company Method for making decorative emblems
US5273795A (en) * 1992-08-01 1993-12-28 Reinhold Hoffmann Imitation gem
US5517831A (en) * 1993-01-08 1996-05-21 Korite Minerals Limited Mammoth ivory jewellery and process for manufacture thereof
NL1002739C2 (en) * 1996-01-12 1997-05-21 Standard Group Holding Bv A method for having a transparent envelope surrounding an object.
NL1004987C2 (en) * 1996-01-12 1997-09-17 Standard Group Holding Bv A method of using a spherical, transparent envelope surrounding an object.
US6601409B1 (en) * 1997-12-30 2003-08-05 Marbleous World B.V. Method for manufacturing successive spherical glass articles with figurines accommodated therein, and articles obtained with the method
US20090324877A1 (en) * 2008-06-27 2009-12-31 Shenzhen Futaihong Precision Industry Co., Ltd. Housing and method for fabricating the same
WO2014074610A1 (en) * 2012-11-09 2014-05-15 Acufocus, Inc. Process for manufacturing an intraocular lens
CN104053536A (en) * 2012-01-18 2014-09-17 蒙布兰克-桑普洛有限公司 Method for producing a partly transparent body with a color gradient, and a partly transparent body with a color gradient
US8864824B2 (en) 2003-06-17 2014-10-21 Acufocus, Inc. Method and apparatus for aligning a mask with the visual axis of an eye
US9005281B2 (en) 2009-08-13 2015-04-14 Acufocus, Inc. Masked intraocular implants and lenses
US9138142B2 (en) 2003-05-28 2015-09-22 Acufocus, Inc. Masked intraocular devices
US9204962B2 (en) 2013-03-13 2015-12-08 Acufocus, Inc. In situ adjustable optical mask
US9427922B2 (en) 2013-03-14 2016-08-30 Acufocus, Inc. Process for manufacturing an intraocular lens with an embedded mask
US9427311B2 (en) 2009-08-13 2016-08-30 Acufocus, Inc. Corneal inlay with nutrient transport structures
US9433267B1 (en) * 2010-04-13 2016-09-06 Levitation Jewelry LLC Jewelry process
US9545303B2 (en) 2011-12-02 2017-01-17 Acufocus, Inc. Ocular mask having selective spectral transmission
US9943403B2 (en) 2014-11-19 2018-04-17 Acufocus, Inc. Fracturable mask for treating presbyopia
US10004593B2 (en) 2009-08-13 2018-06-26 Acufocus, Inc. Intraocular lens with elastic mask

Cited By (53)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2451913A (en) * 1945-10-05 1948-10-19 Walter J Brice Plastic ornamental article
US2499577A (en) * 1946-08-23 1950-03-07 Menasco Mfg Company Method of inspecting welds
US2560117A (en) * 1947-01-31 1951-07-10 Robert W Mallary Sign
US2747230A (en) * 1952-04-24 1956-05-29 Finn H Magnus Method for producing plastic encased articles
DE961028C (en) * 1952-09-17 1957-03-28 Stebler Saner Metallwarenfabri A method of embedding deposits in the form of meshes, grids, fonts, grasses od. Like. In Kunstharzkoerper
US2871152A (en) * 1955-12-06 1959-01-27 Frank J Tobin Laminated tile
US3002866A (en) * 1956-05-15 1961-10-03 Us Rubber Co Inking roll
US2972784A (en) * 1958-03-04 1961-02-28 Arthur S La Pine & Company Method of encapsulating a magnet with polytetrafluoroethylene
US3038828A (en) * 1958-03-31 1962-06-12 Goodyear Tire & Rubber Decorative plastic floor covering or the like and method of making the same
US3379603A (en) * 1959-04-24 1968-04-23 Barnette Stanley Ronald Cast plastic laminates and cast plastic articles of manufacture
US3070883A (en) * 1959-06-09 1963-01-01 Grathwohl Kenneth Tuthill Disposable razor
US3294887A (en) * 1960-11-15 1966-12-27 Altermatt Max Process for manufacturing elongated members of plastic, particularly of synthetic resin, which have eyelike portions and are reinforced by inserts consisting preferably of fiber materials
US3187444A (en) * 1961-08-28 1965-06-08 Gen Electric Specimen mounting
US3348319A (en) * 1965-05-24 1967-10-24 Mary C Harrison X-ray demonstration prism
US3412575A (en) * 1966-01-18 1968-11-26 Feldman Charles Jewelry article including thin metal and dielectric films
US3886248A (en) * 1969-08-15 1975-05-27 Donald C Nicholson Method of making plastic embedded specimens
USRE33175E (en) * 1974-06-12 1990-03-06 The D. L. Auld Company Method for making decorative emblems
US4067947A (en) * 1976-12-27 1978-01-10 Camillus Cutlery Co. Method of fabricating a decorative knife handle
US4259388A (en) * 1977-08-23 1981-03-31 The D. L. Auld Company Medallion-like articles, lamp lenses and method for their manufacture
US4263734A (en) * 1979-08-31 1981-04-28 Bradshaw Vincent L Method of making a ceramic article and article of manufacture
US5273795A (en) * 1992-08-01 1993-12-28 Reinhold Hoffmann Imitation gem
US5517831A (en) * 1993-01-08 1996-05-21 Korite Minerals Limited Mammoth ivory jewellery and process for manufacture thereof
US5531023A (en) * 1993-01-08 1996-07-02 Korite Minerals Limited Method of manufacturing mammoth ivory jewelry
NL1002739C2 (en) * 1996-01-12 1997-05-21 Standard Group Holding Bv A method for having a transparent envelope surrounding an object.
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