AU746295B2 - Method for manufacturing a raw material for a prototype and the raw material thereof - Google Patents

Method for manufacturing a raw material for a prototype and the raw material thereof Download PDF

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Publication number
AU746295B2
AU746295B2 AU13651/00A AU1365100A AU746295B2 AU 746295 B2 AU746295 B2 AU 746295B2 AU 13651/00 A AU13651/00 A AU 13651/00A AU 1365100 A AU1365100 A AU 1365100A AU 746295 B2 AU746295 B2 AU 746295B2
Authority
AU
Australia
Prior art keywords
resin
predetermined
raw material
hollow powder
mixed material
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.)
Ceased
Application number
AU13651/00A
Other versions
AU1365100A (en
Inventor
Der-Ming Hsieh
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.)
DER MING HSIEH
Original Assignee
DER MING HSIEH
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 DER MING HSIEH filed Critical DER MING HSIEH
Priority to AU13651/00A priority Critical patent/AU746295B2/en
Priority to JP2000030164A priority patent/JP3622177B2/en
Priority to DE10111720A priority patent/DE10111720A1/en
Publication of AU1365100A publication Critical patent/AU1365100A/en
Application granted granted Critical
Publication of AU746295B2 publication Critical patent/AU746295B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/38—Moulds or cores; Details thereof or accessories therefor characterised by the material or the manufacturing process
    • B29C33/3842—Manufacturing moulds, e.g. shaping the mould surface by machining
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/58—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising fillers only, e.g. particles, powder, beads, flakes, spheres
    • B29C70/66—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising fillers only, e.g. particles, powder, beads, flakes, spheres the filler comprising hollow constituents, e.g. syntactic foam
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/32—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof from compositions containing microballoons, e.g. syntactic foams
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2791/00—Shaping characteristics in general
    • B29C2791/001—Shaping in several steps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/757—Moulds, cores, dies

Description

P/00/011 28/5/91 Regulation 3.2
AUSTRALIA
Patents Act 1990
ORIGINAL
COMPLETE SPECIFICATION STANDARD PATENT
S
S.
4
S
S
S
Name of Applicant: Actual Inventor Address for service is: Der-Ming HSIEH Der-Ming HSIEH WRAY ASSOCIATES 239 Adelaide Terrace Perth, WA 6000
S
S.
S. S 55
S.
Attorney code: WR Invention Title: "Method for Manufacturing a Raw Material for a Prototype and the Raw Material Thereof" The following statement is a full description of this invention, including the best method of performing it known to me:- METHOD FOR MANUFACTURING A RAW MATERIAL FOR A PROTOTYPE AND THE RAW MATERIAL THEREOF The present invention relates to a method for manufacturing a raw material for a prototype and the raw material thereof.
Typically, a prototype is required to be first made for making an article by means of such as an injection molding process. The prototype is then used to make the mold which may be used for molding the desired articles in a fast speed. The prototype is usually made of a wood material or a metallic material. However, the wood material includes a lot of fibers and veins so that the prototype made of the 1.:1 wood material may not be made with a smooth appearance. In addition, the wood material easily absorbs moisture, and is easily deformed and broken. Further, the wood material has a bad strength. On the other hand, the metallic material is heavy, thereby increasing the time for machining the metallic material. In addition, the metallic material has a great strength and hardness so that is not easily machined and mended.
The closet prior arts are disclosed in U.S. Patent No. 5,041,472 to Myer, entitled "SYNTACTIC FOAM ENERGY ABSORBER", and U.S. Patent No.
4,681,718 to Oldham, entitled "METHOD OF FABRICATING COMPOSITE OR ENCAPSULATED ARTICLES".
The primary objective of the present invention is to provide a method for manufacturing a raw material for a prototype, including the steps of: providing a predetermined quantity of hollow powder made of ceramics, glass, or resin, and a predetermined quantity of resin made of epoxy, polyethylene, polypropylene, or polyester; mixing and stirring the hollow powder with the resin to form a mixed -I I- i- 2 material; evacuating the mixed material to remove gas bubbles formed between the hollow powder and the resin of the mixed material; forming the mixed material into a predetermined shape; maintaining the mixed material that has a predetermined shape at a first predetermined constant temperature ranged between lOC and -20°C during a first predetermined period of time ranged between 4 hours to 120 hours to crystallize and cure the hollow powder and the resin; heating the mixed material to a second predetermined temperature ranged between 60°C and 110 "C during a second predetermined period of time ranged between 4 hours to 8 hours to further crystallize and integrally cure the hollow powder 10 and the resin 11 so as 16 to form a raw material; removing the raw material; and dressing the raw material.
The predetermined quantity of hollow powder has a weight within the range of about 2 to 50 unit weights, and the predetermined quantity of resin has a ••co weight of about 100 unit weights.
Another objective of the present invention is to provide a raw material for a prototype including a predetermined quantity of hollow powder, and a predetermined quantity of resin mixed with said hollow powder for curing said hollow powder together so as to form said raw material with a predetermined structural strength.
Further objectives and advantages of the present invention will become apparent after a complete reading of the detailed description with reference to the accompanying drawings.
In the drawings: Fig. I is a flow chart of a method for manufacturing a raw material for a prototype according to the present invention; ~.li Fig. 2 is a plan cross-sectional view of the raw material according to the present invention; and Fig. 3 is a perspective cross-sectional view of the raw material as shown in Fig. 2.
With reference to Figs. 1-3, a method according to the present invention is used for manufacturing a raw material which is used for making a prototype which is used for making a mold. The raw material includes a plurality of hollow powders mixed with a resin 11 which may cure the hollow powders 10 together so as to form the raw material with a predetermined structural strength. Each of the hollow i6 powders 10 contains a space 12 defined therein The hollow powder 10 is made of ceramics, glass, resin or the like. The resin 11 is made of epoxy, polyethylene, oeoeo S polypropylene, polyester or the like.
The method includes the steps of material providing step: providing a predetermined quantity of hollow powder 10 and a predetermined quantity of resin I. I; mixing step: mixing and stirring the hollow powder 10 with the resin II to form a mixed material; vacuum gas bubbles removing step: evacuating the mixed material in a chemical or mechanical manner to remove gas bubbles formed between the hollow powder 10 and the resin 11 of the mixed material; injection molding step: placing the mixed material into a die (not shown) for forming the mixed material into a predetermined shape; constant temperature curing step: maintaining the mixed material that has a predetermined shape at a first predetermined constant temperature ranged between -10°C and -20 0 C during a first predetermined period of time ranged between 4 hours to 120 hours to crystallize and cure the hollow powder 10 and the resin 11; secondary curing step: heating the 7. 71 1: mixed material to a second predetermined temperature ranged between 60"C and I "C during a second predetermined period of time ranged between 4 hours to 8 hours to further crystallize and integrally cure the hollow powder 10 and the resin 11 so as to form a raw material; mold removing step: removing the raw material; and (h) dressing step: dressing the raw material.
In the step the predetermined quantity of hollow powder 10 has a weight within the range of about 2 to 50 unit weights, and the predetermined quantity of resin 11 has a weight of about 100 unit weights.
In the step the mixed material is maintained at the constant temperature Ib between -10 C and -20°C during the period of time from 4 hours to 120 hours so that 0. 0.
the hollow powders 10 and the resin 11 are gradually crystallized and cured to form a S fine and entire crystal. Then, in the step the mixed material is heated to the temperature between 60°C and 1 l0°C during the period of time from 4 hours to 8 hours so that the hollow powders 10 and the resin 11 are integrally crystallized and cured, so as to enhance the toughness and stability of the mixed material. By means of the constant temperature curing step in conjunction with the secondary curing step it is able to prevent the prototype firom being contracted and deformed, and is able to reinforce the toughness and stability of the prototype.
The hollow powders 10 are secured with the resin I1I, but a small gap is defined therebetween. In addition, the resin 11 itself has certain elasticity and toughness so that the prototype made of the hollow powders 10 and the resin 11 has a structural strength smaller than that of the metallic material and greater than that of the wood material. Accordingly, the prototype is easily machined, and has a sufficient strength and a reduced weight. In addition, the prototype made of the powders and the resin does not absorb moisture, and cannot be easily deformed so as to solve the problems encountered by the wood material which easily absorbs moisture and is easily deformed. Further, the prototype made of the powders and the resin is easily machined, and is easily mended so as to solve the problems encountered by the metallic material which is not easily machined, and is not easily mended.
Although the present invention has been described with a certain degree of particularity, it is to be understood that the present disclose has been made by way of example only and that many other possible modifications and variations can be made 1 without departing from the scope of the present invention.
Throughout the specification, unless the context requires otherwise, the word "comprise" or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated integer or group of integers but not the exclusion of any other integer or group of integers.
oooo r i 1 1

Claims (7)

1. A method for manufacturing a raw material for a prototype, including the steps of: providing a predetermined quantity of hollow powder and a predetermined quantity of resin, said predetermined quantity of hollow powder has a weight within the range of about 2 to 50 unit weights, and said predetermined quantity of resin has a weight of about 100 unit weights; mixing and stirring said hollow powder with said resin to form a mixed material; evacuating said mixed material to remove gas bubbles formed between said hollow powder and said resin of said mixed material; forming said mixed material into a predetermined shape; S: maintaining said mixed material that has a predetermined shape at a 15 first predetermined constant temperature during a first predetermined *:period of time to crystallize and cure said hollow powder and said go0g0 resin, said first predetermined constant temperature is ranged between -10°C and -20 0 C, and said first predetermined period of time ~is ranged between 4 hours to 120 hours; heating said mixed material to a second predetermined temperature during a second predetermined period of time to further crystallize and integrally cure said hollow powder and said resin so as to form a raw material, said second predetermined temperature is ranged between 600C and 1100C, and said second predetermined period of time is ranged between 4 hours to 8 hours; removing said raw material; and dressing said raw material.
2. The method as claimed in claim 1, wherein said resin is made of epoxy. -7-
3. The method as claimed in claim 1, wherein said resin is made of polyethylene.
4. The method as claimed in claim 1, wherein said resin is made of polyester.
The method as claimed in claim 1, wherein said hollow powder is made of ceramics.
6. The method as claimed in claim 1, wherein said hollow powder is made of glass.
7. A method substantially is herein described. 10 Dated this 1 thday of February 2002. Der-Ming Hsieh Applicant **a 15 Wray Associates Perth, Western Australia Patent Attorneys for the Applicant(s) o 1-l-
AU13651/00A 2000-01-28 2000-01-28 Method for manufacturing a raw material for a prototype and the raw material thereof Ceased AU746295B2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AU13651/00A AU746295B2 (en) 2000-01-28 2000-01-28 Method for manufacturing a raw material for a prototype and the raw material thereof
JP2000030164A JP3622177B2 (en) 2000-01-28 2000-02-08 Prototype raw material and method for producing the same
DE10111720A DE10111720A1 (en) 2000-01-28 2001-03-12 Manufacture of raw material for prototype, comprises mixing hollow powder and resin, evacuating mixture to remove gas bubbles, shaping and curing mixture, and removing and dressing formed material

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AU13651/00A AU746295B2 (en) 2000-01-28 2000-01-28 Method for manufacturing a raw material for a prototype and the raw material thereof
JP2000030164A JP3622177B2 (en) 2000-01-28 2000-02-08 Prototype raw material and method for producing the same
DE10111720A DE10111720A1 (en) 2000-01-28 2001-03-12 Manufacture of raw material for prototype, comprises mixing hollow powder and resin, evacuating mixture to remove gas bubbles, shaping and curing mixture, and removing and dressing formed material

Publications (2)

Publication Number Publication Date
AU1365100A AU1365100A (en) 2001-08-09
AU746295B2 true AU746295B2 (en) 2002-04-18

Family

ID=27152053

Family Applications (1)

Application Number Title Priority Date Filing Date
AU13651/00A Ceased AU746295B2 (en) 2000-01-28 2000-01-28 Method for manufacturing a raw material for a prototype and the raw material thereof

Country Status (3)

Country Link
JP (1) JP3622177B2 (en)
AU (1) AU746295B2 (en)
DE (1) DE10111720A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004005380A1 (en) 2004-02-03 2005-09-01 Isra Vision Systems Ag Method for determining the position of an object in space

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4681718A (en) * 1984-05-09 1987-07-21 Hughes Aircraft Company Method of fabricating composite or encapsulated articles

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4681718A (en) * 1984-05-09 1987-07-21 Hughes Aircraft Company Method of fabricating composite or encapsulated articles

Also Published As

Publication number Publication date
JP3622177B2 (en) 2005-02-23
AU1365100A (en) 2001-08-09
DE10111720A1 (en) 2002-10-02
JP2001219244A (en) 2001-08-14

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