FR2322898A1 - Gas-permeable smooth or relief surfaces - for vacuum forming moulds, produced from epoxide-glass ball compsns. contg. hardeners - Google Patents
Gas-permeable smooth or relief surfaces - for vacuum forming moulds, produced from epoxide-glass ball compsns. contg. hardenersInfo
- Publication number
- FR2322898A1 FR2322898A1 FR7626672A FR7626672A FR2322898A1 FR 2322898 A1 FR2322898 A1 FR 2322898A1 FR 7626672 A FR7626672 A FR 7626672A FR 7626672 A FR7626672 A FR 7626672A FR 2322898 A1 FR2322898 A1 FR 2322898A1
- Authority
- FR
- France
- Prior art keywords
- contg
- gas
- compsns
- hardeners
- epoxide
- 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.)
- Withdrawn
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/16—Solid spheres
- C08K7/18—Solid spheres inorganic
- C08K7/20—Glass
-
- 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
- B29C33/3807—Resin-bonded materials, e.g. inorganic particles
-
- 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
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/002—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor characterised by the choice of material
-
- 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
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/26—Component parts, details or accessories; Auxiliary operations
- B29C51/30—Moulds
- B29C51/36—Moulds specially adapted for vacuum forming, Manufacture thereof
- B29C51/365—Porous moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING 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
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING 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
- B29K2863/00—Use of EP, i.e. epoxy resins or derivatives thereof as mould material
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Polymers & Plastics (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Organic Chemistry (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Laminated Bodies (AREA)
- Epoxy Resins (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Gas-permeable surfaces, having a smooth or relief structure and being free from pinholes, appropriate for moulds used in vacuum-forming techniques, are obtd. by using a moulding compsn. contg. (a) 5-10% of a polyepoxy resin-hardener mixt. and (b) 90-95% of solid glass balls of dia. 2-150 mu for the mfr. of the surface layers of the mould. The surface has many distinct edges with many suction canals distributed uniformly over the entire surface of the mould such that a bore-hole is not required. The structure of the surface of the mould is transferred faithfully to the thermoplastic moulding material.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19752539598 DE2539598A1 (en) | 1975-09-05 | 1975-09-05 | PROCESS FOR PRODUCING GAS PERMEABLE SURFACES OF VACUUM DRAWING FORMS |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2322898A1 true FR2322898A1 (en) | 1977-04-01 |
Family
ID=5955731
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7626672A Withdrawn FR2322898A1 (en) | 1975-09-05 | 1976-09-03 | Gas-permeable smooth or relief surfaces - for vacuum forming moulds, produced from epoxide-glass ball compsns. contg. hardeners |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS5232049A (en) |
BE (1) | BE845809A (en) |
DE (1) | DE2539598A1 (en) |
FR (1) | FR2322898A1 (en) |
NL (1) | NL7609788A (en) |
SE (1) | SE7609704L (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2345276A1 (en) * | 1976-03-24 | 1977-10-21 | Dynamit Nobel Ag | PROCESS FOR MANUFACTURING A MOLD FROM RESINS REACTIVE WITH LOADS AND MOLD THUS OBTAINED |
EP0012589A1 (en) * | 1978-12-11 | 1980-06-25 | Norcem A/S | A method of moulding shaped articles and an apparatus for carrying out the method |
FR2635026A1 (en) * | 1988-08-02 | 1990-02-09 | Chausson Usines Sa | Method for the manufacture of tools based on polymer (resin) concrete for forming, especially drawing (stamping), cutting-out and other processes, of workpieces (components) made of metal sheet |
EP0359601A1 (en) * | 1988-08-02 | 1990-03-21 | Chausson Ingenierie | Process for the manufacture of moulding tools, especially for deep-drawing parts out of sheet metal |
FR2738766A1 (en) * | 1995-09-14 | 1997-03-21 | Pmr Sarl | Mould useful esp. for injection moulding thermoplastic materials |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5716589A (en) * | 1980-06-30 | 1982-01-28 | Fuji Electric Co Ltd | Driving device for motor |
JPS5892419A (en) * | 1981-11-27 | 1983-06-01 | Toyobo Co Ltd | Selective separation membrane |
JPS60225605A (en) * | 1984-04-23 | 1985-11-09 | Agency Of Ind Science & Technol | Permselective membrane |
-
1975
- 1975-09-05 DE DE19752539598 patent/DE2539598A1/en active Pending
-
1976
- 1976-09-02 SE SE7609704A patent/SE7609704L/en not_active Application Discontinuation
- 1976-09-02 NL NL7609788A patent/NL7609788A/en not_active Application Discontinuation
- 1976-09-03 JP JP10510776A patent/JPS5232049A/en active Pending
- 1976-09-03 BE BE170310A patent/BE845809A/en unknown
- 1976-09-03 FR FR7626672A patent/FR2322898A1/en not_active Withdrawn
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2345276A1 (en) * | 1976-03-24 | 1977-10-21 | Dynamit Nobel Ag | PROCESS FOR MANUFACTURING A MOLD FROM RESINS REACTIVE WITH LOADS AND MOLD THUS OBTAINED |
EP0012589A1 (en) * | 1978-12-11 | 1980-06-25 | Norcem A/S | A method of moulding shaped articles and an apparatus for carrying out the method |
FR2635026A1 (en) * | 1988-08-02 | 1990-02-09 | Chausson Usines Sa | Method for the manufacture of tools based on polymer (resin) concrete for forming, especially drawing (stamping), cutting-out and other processes, of workpieces (components) made of metal sheet |
EP0359601A1 (en) * | 1988-08-02 | 1990-03-21 | Chausson Ingenierie | Process for the manufacture of moulding tools, especially for deep-drawing parts out of sheet metal |
FR2738766A1 (en) * | 1995-09-14 | 1997-03-21 | Pmr Sarl | Mould useful esp. for injection moulding thermoplastic materials |
Also Published As
Publication number | Publication date |
---|---|
BE845809A (en) | 1977-03-03 |
NL7609788A (en) | 1977-03-08 |
JPS5232049A (en) | 1977-03-10 |
DE2539598A1 (en) | 1977-03-10 |
SE7609704L (en) | 1977-03-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |