WO2010122495A4 - Method for producing metal accessories for clothing and handles - Google Patents

Method for producing metal accessories for clothing and handles Download PDF

Info

Publication number
WO2010122495A4
WO2010122495A4 PCT/IB2010/051726 IB2010051726W WO2010122495A4 WO 2010122495 A4 WO2010122495 A4 WO 2010122495A4 IB 2010051726 W IB2010051726 W IB 2010051726W WO 2010122495 A4 WO2010122495 A4 WO 2010122495A4
Authority
WO
WIPO (PCT)
Prior art keywords
copy
ceramic
plastic
die
ceramic die
Prior art date
Application number
PCT/IB2010/051726
Other languages
French (fr)
Other versions
WO2010122495A3 (en
WO2010122495A2 (en
Inventor
William Tedaldi
Gianluca Bagnara
Original Assignee
Guimer S.R.L.
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
Application filed by Guimer S.R.L. filed Critical Guimer S.R.L.
Priority to EP10723324A priority Critical patent/EP2421395A2/en
Publication of WO2010122495A2 publication Critical patent/WO2010122495A2/en
Publication of WO2010122495A3 publication Critical patent/WO2010122495A3/en
Publication of WO2010122495A4 publication Critical patent/WO2010122495A4/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B21/00—Heels; Top-pieces or top-lifts
    • A43B21/02—Heels; Top-pieces or top-lifts characterised by the material
    • A43B21/025—Metal
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B21/00—Heels; Top-pieces or top-lifts
    • A43B21/24—Heels; Top-pieces or top-lifts characterised by the constructive form
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43D—MACHINES, TOOLS, EQUIPMENT OR METHODS FOR MANUFACTURING OR REPAIRING FOOTWEAR
    • A43D999/00—Subject matter not provided for in other groups of this subclass
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C7/00—Patterns; Manufacture thereof so far as not provided for in other classes
    • B22C7/02—Lost patterns
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C9/00—Moulds or cores; Moulding processes
    • B22C9/02—Sand moulds or like moulds for shaped castings
    • B22C9/04—Use of lost patterns
    • B22C9/043—Removing the consumable pattern
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D35/00—Producing footwear
    • B29D35/12—Producing parts thereof, e.g. soles, heels, uppers, by a moulding technique

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Adornments (AREA)
  • Eyeglasses (AREA)

Abstract

A method for producing metal accessories for clothing or handles comprises the steps of making a polystyrene copy (1) of the metal accessory (100) to be produced; covering the polystyrene copy (1) with a die (4) made of ceramic material; substituting the polystyrene copy (1) in the ceramic die (4) with molten metal material; after the metal material has solidified, freeing the metal semi¬ finished product (6) from the ceramic die (4).

Claims

AMENDED CLAIMS [Received by the International Bureau on 12 January 2011 (12.01.11)] Claims
1. A method for producing metal accessories for clothing and the like, or handles, comprising the steps of:
- making a plastic copy (1) of the metal accessory (100) to be produced;
- inserting the plastic copy (1) thus obtained in a die (4) made of ceramic material;
- substituting the plastic copy (1) in the ceramic die (4) with molten metal material;
- after the metal material has solidified, freeing the metal semi-finished product (6) from the ceramic die (4), wherein the step of making the plastic copy (1) is realized by rapid prototyping.
2. The method according to claim 1, characterized in that the step of substituting the copy (1) in the ceramic die (4) comprises the steps of burning away the plastic copy (1) and casting molten metal material into the ceramic die (4)·
3. The method according to claim 1 or 2, characterized in that it comprises a step of making by rapid prototyping a plurality of plastic copies (1) of the accessory (100) and preparing at least one rod (5) made of a material which will melt, the copies (1) being connected to the rod.
4. The method according to claim 3, characterized in that the material which will melt comprises the same material as is used to make the copies (1).
5. The method according to claim 3 or 4, characterized in that the step of making a copy (1) of the accessory (100) to be produced comprises the step of creating at least one projection (3), made of the same material as is used to make the copy (1), the projection being connected to the copy (1) and extending away from it.
6. The method according to claim 5, characterized in that it comprises the step of fixing the projection (3) of each copy (1) to the rod (5) to form a casting tree; the fixing step coming before the step of inserting the copies (1) in the ceramic die (4)·
7. The method according to any of the claims from 2 to 6, characterized in that it comprises the step of heating the ceramic die (4) substantially to the melting point of the metal material and allowing casting of the molten metal material, the step of heating the ceramic die implementing the step of causing the copy (1) to evaporate.
8. The method according to claim 7, characterized in that the melting point is between 1200°C and 1700°C, preferably between 1300°C and 1600°C.
9. The method according to any of the foregoing claims, characterized in that it comprises the step of connecting a bell (9) made of plastic material to the rod (5) before the step of inserting the copy (1) in the ceramic die, said bell (9) forming a funnel in the ceramic die to facilitate casting of the metal material in the ceramic die.
10. The method according to any of the foregoing claims, characterized in that the step of freeing the metal semi-finished product (6) from the ceramic die (4) comprises the step of removing the ceramic material located outside the metal semi-finished product (6) and breaking the ceramic material located inside the cavity in the semi-finished product (6), in particular working through holes in the walls of the semi-finished product (6).
1 1. The method according to any of the foregoing claims, characterized in that the clothing accessory (100) has at least one undercut.
12. The method according to any of the foregoing claims, characterized in that the clothing accessory (100) is cage-shaped.
13. The method according to any of the foregoing claims, characterized in that the plastic material comprises polystyrene.
14. The method according to claim 11, characterized in that the plastic material comprises an additive, preferably metallic, more preferably aluminum.
15. The method according to claim 2, characterized in that the step of substituting the copy (1) in the ceramic die (4) comprises the steps of causing the plastic copy (1) to evaporate.
16. The method for producing handles according to any of the foregoing claims, characterized in that the die of ceramic material constitutes a generic cast (4).
17. A handle with at least one undercut and comprising a structure having walls (201) which surround and delimit an inner cavity, said walls (201) having a plurality of holes which put the inner cavity in communication with the outside environment.
PCT/IB2010/051726 2009-04-20 2010-04-20 Method for producing metal accessories for clothing and handles WO2010122495A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP10723324A EP2421395A2 (en) 2009-04-20 2010-04-20 Method for producing metal accessories for clothing and handles

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITBO2009A000243 2009-04-20
ITBO2009A000243A IT1400031B1 (en) 2009-04-20 2009-04-20 METHOD TO PRODUCE METALLIC CLOTHING ACCESSORIES.

Publications (3)

Publication Number Publication Date
WO2010122495A2 WO2010122495A2 (en) 2010-10-28
WO2010122495A3 WO2010122495A3 (en) 2011-01-06
WO2010122495A4 true WO2010122495A4 (en) 2011-03-10

Family

ID=41666611

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2010/051726 WO2010122495A2 (en) 2009-04-20 2010-04-20 Method for producing metal accessories for clothing and handles

Country Status (3)

Country Link
EP (1) EP2421395A2 (en)
IT (1) IT1400031B1 (en)
WO (1) WO2010122495A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201900006976A1 (en) * 2019-05-17 2020-11-17 Spectre S R L HEEL STRUCTURE FOR FOOTWEAR AND RELATIVE METHOD OF CONSTRUCTION

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5924502A (en) * 1996-11-12 1999-07-20 Dresser Industries, Inc. Steel-bodied bit
US6814131B2 (en) * 2000-11-10 2004-11-09 Buntrock Industries, Inc. Investment casting mold and method of manufacture
GB0410272D0 (en) * 2004-05-06 2004-06-09 Bolton Anthony W Improvements in investment casting
ITFI20040244A1 (en) * 2004-11-26 2005-02-26 10 Ottobre S R L PROCEDURE FOR THE MANUFACTURE OF ACCESSORIES FOR FOOTWEAR AND ACCESSORIES SO OBTAINED
GB2452994A (en) * 2007-09-24 2009-03-25 Goodwin Plc Apparatus and method for preparing an investment mould

Also Published As

Publication number Publication date
EP2421395A2 (en) 2012-02-29
ITBO20090243A1 (en) 2010-10-21
IT1400031B1 (en) 2013-05-17
WO2010122495A3 (en) 2011-01-06
WO2010122495A2 (en) 2010-10-28

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