EP1118285A1 - Chain-like structure to manufacture precious or non-precious metal ornamental products and production method thereof - Google Patents
Chain-like structure to manufacture precious or non-precious metal ornamental products and production method thereof Download PDFInfo
- Publication number
- EP1118285A1 EP1118285A1 EP01830010A EP01830010A EP1118285A1 EP 1118285 A1 EP1118285 A1 EP 1118285A1 EP 01830010 A EP01830010 A EP 01830010A EP 01830010 A EP01830010 A EP 01830010A EP 1118285 A1 EP1118285 A1 EP 1118285A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- members
- chain
- rod
- plates
- precious
- 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.)
- Granted
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Classifications
-
- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
- A44C27/00—Making jewellery or other personal adornments
-
- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
- A44C11/00—Watch chains; Ornamental chains
-
- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
- A44C15/00—Other forms of jewellery
- A44C15/0025—Reversible or double face jewellery
-
- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
- A44C5/00—Bracelets; Wrist-watch straps; Fastenings for bracelets or wrist-watch straps
- A44C5/02—Link constructions
- A44C5/10—Link constructions not extensible
- A44C5/107—Link constructions not extensible with links made of more than two elements including connecting elements
Definitions
- the present invention relates to a chain-like structure, made in particular, but not exclusively, of precious metal, intended for use in the manufacture of ornamental articles in the field of jewelry and costume jewelry.
- the invention also relates to a method for the production of the chain-like structure.
- chain-like structures or chains
- chains are known in the above mentioned field. They are commonly used to manufacture necklaces, bracelets, earrings and similar goods.
- the chain structure is achieved through the mutual engagement of annular members or links, having various configuration and size of the wire which they are formed of.
- the links are engaged in the most different ways, allowing in any case a sufficient degree of articulation and assuring a suitable softness and flexibility to the assembly.
- a chain-like structure of this second type is formed by a sequence of ball, oval, barrel or otherwise shaped bodies mutually connected by a metallic wire-like or tubular members having enlarged ends engaging within two adjacent bodies.
- the mutual articulation is allowed by the clearance existing in the connection between the ball members, or the like, and the enlarged ends of the rigid wire-like or tubular member.
- a chain-like structure of the above mentioned type can be developed into a limited number only of design variations because of the shape of its components.
- the object of the present invention is to satisfy the above mentioned need by providing a chain-like structure to manufacture precious or non-precious metal ornamental articles of a novel and original conception characterized in that it comprises a sequence of axially hollow members connected to one another by means of at least two rod-like members the ends of which are fastened with play to respective seats formed within end members fixed to the hollow members.
- rod-like members are pins or small tubes with enlarged ends and of any section.
- Another object of the present invention is to provide a method for the manufacture of the above mentioned chain-like structure, the main features of which are set forth in claim 7.
- the chain-like structure according to the invention comprises a succession of completely hollow, and hence tubular, members indicated at 1 of any cross section (an oval section, in the case shown in the figures).
- Each hollow member 1 is connected to the adjacent hollow member through a pair of tubular pins 2 and 3 extending between two opposite ends of two adjacent hollow members 1.
- Pins 2 and 3 are connected with play to said ends and are secured to them in such a way to allow both the relative sliding and the mutual inclination of the two adjacent hollow members with respect to each other.
- each tubular member 1 is formed by a length la of an open tubular section, the ends of which are closed by respective end members which, in the preferred embodiment, are made in the shape of plates 4 (only one plate is shown in Figure 1), formed by shearing.
- Each plate 4 forms with an equal plate 5, intended to be applied to the adjacent tubular member, the articulated connection of the chain-like structure, the plates 4 and 5 being connected to one another by pins 2 and 3.
- Through holes 6 and 7 are formed on each of plates 4 and 5, in particular aligned along the major axis of the oval section, with which pins 2 and 3 are engaged for the mutual connection of plates 3 and 4.
- the diameter of holes 6 and 7 is greater than that of pins 2 and 3. In this way the relative axial sliding of pins 2, 3 with respect to plates 3, 4 is allowed, as well as a certain degree of misalignment between pins 2, 3 and holes 6, 7 to an extent varying according to the available play. In order to prevent pins 2 and 3 from disengaging from plates 4 and 5, their ends are riveted after they are positioned in holes 6 and 7.
- the chain-like structure produced in the way described above can be used for manufacturing of necklaces, bracelets earrings and other products of goldsmithery and costume jewelry by using precious and non-precious metal or combinations of precious metals or combinations of different colors of a same precious metal, for example yellow gold for the tubular members and white gold for the pins.
- hollow members can have any other section besides the oval one as shown in the drawing.
- their section can be circular, square, rectangular, triangular, polygonal and variously rounded-off and faceted.
- the length of hollow members can be varied as well, and in particular an article with hollow members of different length can be assembled.
- connection between two adjacent hollow members can be made not only by means of two pins as shown in the drawing, but also by a greater number of pins.
- the surfaces of the components (hollow members and pins) forming the chain-like structure according to the invention can be submitted to various surface treatments according to the common techniques used in the field, for example glazing, knurling, scoring, enameling and any decoration with moldings, drawings or inscriptions.
Abstract
Description
- The present invention relates to a chain-like structure, made in particular, but not exclusively, of precious metal, intended for use in the manufacture of ornamental articles in the field of jewelry and costume jewelry.
- The invention also relates to a method for the production of the chain-like structure.
- A large number of chain-like structures, or chains, are known in the above mentioned field. They are commonly used to manufacture necklaces, bracelets, earrings and similar goods. In most cases, the chain structure is achieved through the mutual engagement of annular members or links, having various configuration and size of the wire which they are formed of. The links are engaged in the most different ways, allowing in any case a sufficient degree of articulation and assuring a suitable softness and flexibility to the assembly.
- There are also known ornamental chain-like structures wherein the constituent metal members have a shape different from the annular one and therefore must be connected to each other through means for allowing their mutual articulation. As an example, a chain-like structure of this second type is formed by a sequence of ball, oval, barrel or otherwise shaped bodies mutually connected by a metallic wire-like or tubular members having enlarged ends engaging within two adjacent bodies.
- The mutual articulation is allowed by the clearance existing in the connection between the ball members, or the like, and the enlarged ends of the rigid wire-like or tubular member.
- A chain-like structure of the above mentioned type can be developed into a limited number only of design variations because of the shape of its components.
- On the other side, jewelry designers are constantly looking for new shapes of chain-like structures, which, beside being attractive as far as their appearance is concerned, have the lowest number of structural constraints which result in a hindrance to the free creative activity of the designer.
- The object of the present invention is to satisfy the above mentioned need by providing a chain-like structure to manufacture precious or non-precious metal ornamental articles of a novel and original conception characterized in that it comprises a sequence of axially hollow members connected to one another by means of at least two rod-like members the ends of which are fastened with play to respective seats formed within end members fixed to the hollow members.
- Preferably the rod-like members are pins or small tubes with enlarged ends and of any section.
- Another object of the present invention is to provide a method for the manufacture of the above mentioned chain-like structure, the main features of which are set forth in claim 7.
- Further features and advantages of the chain-like structure for manufacturing ornamental articles made of precious or non-precious metal and the relevant production method will be apparent from the following description of an exemplifying, non-limiting embodiment thereof made with reference to the attached drawing, in which:
- Figure 1 is an exploded view of an hollow member and relevant connection means of the chain-like structure according to the invention;
- Figure 2 shows a connection group as assembled featuring the chain-like structure according to the invention;
- Figure 3 is an axially exploded view of a length of chain-like structure according to the invention.
- With reference to the above mentioned figures, and in particular Figure 4, the chain-like structure according to the invention comprises a succession of completely hollow, and hence tubular, members indicated at 1 of any cross section (an oval section, in the case shown in the figures). Each
hollow member 1 is connected to the adjacent hollow member through a pair oftubular pins hollow members 1.Pins - As shown in particular in Figure 1, each
tubular member 1 is formed by a length la of an open tubular section, the ends of which are closed by respective end members which, in the preferred embodiment, are made in the shape of plates 4 (only one plate is shown in Figure 1), formed by shearing. Eachplate 4 forms with anequal plate 5, intended to be applied to the adjacent tubular member, the articulated connection of the chain-like structure, theplates pins - Through
holes 6 and 7 are formed on each ofplates pins plates - In order to provide the required axial and radial play, the diameter of
holes 6 and 7 is greater than that ofpins pins plates pins holes 6, 7 to an extent varying according to the available play. In order to preventpins plates holes 6 and 7. - When the connection group formed by a pair of
plates relevant pins plates tubular members 1a. - The chain-like structure produced in the way described above can be used for manufacturing of necklaces, bracelets earrings and other products of goldsmithery and costume jewelry by using precious and non-precious metal or combinations of precious metals or combinations of different colors of a same precious metal, for example yellow gold for the tubular members and white gold for the pins.
- The main advantage of the chain-like structure according to the invention consists in that it is suitable of being embodied in a large number of different variations. As a matter of fact, hollow members can have any other section besides the oval one as shown in the drawing. For example, their section can be circular, square, rectangular, triangular, polygonal and variously rounded-off and faceted. Besides the section, the length of hollow members can be varied as well, and in particular an article with hollow members of different length can be assembled.
- Moreover the connection between two adjacent hollow members can be made not only by means of two pins as shown in the drawing, but also by a greater number of pins.
- The surfaces of the components (hollow members and pins) forming the chain-like structure according to the invention can be submitted to various surface treatments according to the common techniques used in the field, for example glazing, knurling, scoring, enameling and any decoration with moldings, drawings or inscriptions.
- Even though in the description of the embodiment of the invention reference has been made to hollow, tubular members, it is clear that the technical effect of the invention is also obtained when said members are formed with end recesses of a depth sufficient to house the riveted ends of the connection pins.
- Variations and/or modifications can be brought to the chain-like structure and its production method according to the present invention, without departing from the scope of the invention as set forth in the appended claims.
Claims (9)
- Chain-like structure for the manufacture of ornamental products of precious or non-precious metal characterized in that it comprises a succession of axially hollow members (1) connected to one another by at least two rod-shaped members (2, 3) the ends of said rod-shaped members being fastened with play in respective seats (6, 7) formed in end members (4, 5) applied to said hollow members (1).
- The chain-like structure according to claim 1, wherein said end members consist of end plates (4, 5) on which said seats (6, 7) are formed.
- The chain-like structure, according to claim 1, wherein said rod-shaped members are formed by tubular pins (2, 3).
- The chain-like structure according to anyone of the previous claims, wherein the diameter of said pins (2, 3) is lower that that of said seats (6, 7) whereby they are engaged therewithin in a freely pivotally and slidably way, said pins having enlarged ends to prevent them from disengaging from said plates (4, 5)
- The chain-like structure according to anyone of the previous claims, wherein said axially hollow members (1) are tubular members of any section.
- The chain-like structure according to anyone of the previous claims, wherein said rod-shaped members (2, 3) are of any section.
- Method for the production of a chain-like structure to manufacture ornamental products made of precious or non-precious metal comprising a succession of axially hollow members (1) connected to one another by at least two rod-shaped members (2, 3) the ends of said rod-shaped members being fastened with play in respective seats (6, 7) formed in end members (4, 5) applied to said hollow members (1), characterized in that it comprises the following steps:providing a plurality of said axially hollow members (1) and for each of them, a pair of end members in the form of sheared plates (4, 5) of equal section and provided with at least two seats in the form of through holes (6, 7);providing at least two rod-shaped members (2, 3) of lower diameter than that of said holes for each pair of plates and engaging said rod-shaped members within the corresponding holes of said plates (4, 5);riveting the ends of said at least two rod-shaped members to fasten them to said pair of plates;welding said pair of plates (4, 5) to respective opposite ends of two hollow members (1).
- The method according to claim 7, wherein said rod-shaped members are tubular pins.
- The method according to claim 7, wherein said axially hollow members are tubular members.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITFI200006 | 2000-01-18 | ||
IT2000FI000006A IT1314468B1 (en) | 2000-01-18 | 2000-01-18 | STRUCTURE CONCATENATED TO CREATE ORNAMENTAL ITEMS IN PRECIOUS OR NOT PRECIOUS METAL AND RELATIVE PRODUCTION PROCESS |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1118285A1 true EP1118285A1 (en) | 2001-07-25 |
EP1118285B1 EP1118285B1 (en) | 2003-09-24 |
Family
ID=11441669
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01830010A Expired - Lifetime EP1118285B1 (en) | 2000-01-18 | 2001-01-11 | Chain-like structure to manufacture precious or non-precious metal ornamental products and production method thereof |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1118285B1 (en) |
AT (1) | ATE250357T1 (en) |
DE (1) | DE60100815D1 (en) |
IT (1) | IT1314468B1 (en) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2188261A (en) * | 1986-03-26 | 1987-09-30 | Wong Min Lu | Manufacture of a bead chain |
JPH06105703A (en) * | 1992-09-22 | 1994-04-19 | Sanwa Seimitsu Kogyo Kk | Manufacture of ornament in form of ball chain made by combination of gold and platinum |
JPH0810018A (en) * | 1992-11-04 | 1996-01-16 | Nippon Akusesarii Kogyo Kk | Ball chain and its manufacture |
-
2000
- 2000-01-18 IT IT2000FI000006A patent/IT1314468B1/en active
-
2001
- 2001-01-11 AT AT01830010T patent/ATE250357T1/en not_active IP Right Cessation
- 2001-01-11 DE DE60100815T patent/DE60100815D1/en not_active Expired - Lifetime
- 2001-01-11 EP EP01830010A patent/EP1118285B1/en not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2188261A (en) * | 1986-03-26 | 1987-09-30 | Wong Min Lu | Manufacture of a bead chain |
JPH06105703A (en) * | 1992-09-22 | 1994-04-19 | Sanwa Seimitsu Kogyo Kk | Manufacture of ornament in form of ball chain made by combination of gold and platinum |
JPH0810018A (en) * | 1992-11-04 | 1996-01-16 | Nippon Akusesarii Kogyo Kk | Ball chain and its manufacture |
Non-Patent Citations (2)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 018, no. 381 (C - 1226) 18 July 1994 (1994-07-18) * |
PATENT ABSTRACTS OF JAPAN vol. 1996, no. 05 31 May 1996 (1996-05-31) * |
Also Published As
Publication number | Publication date |
---|---|
ITFI20000006A0 (en) | 2000-01-18 |
DE60100815D1 (en) | 2003-10-30 |
EP1118285B1 (en) | 2003-09-24 |
IT1314468B1 (en) | 2002-12-18 |
ITFI20000006A1 (en) | 2001-07-18 |
ATE250357T1 (en) | 2003-10-15 |
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