GB2015916A - Compression Moulding - Google Patents

Compression Moulding

Info

Publication number
GB2015916A
GB2015916A GB7846642A GB7846642A GB2015916A GB 2015916 A GB2015916 A GB 2015916A GB 7846642 A GB7846642 A GB 7846642A GB 7846642 A GB7846642 A GB 7846642A GB 2015916 A GB2015916 A GB 2015916A
Authority
GB
United Kingdom
Prior art keywords
diaphragm
mold halves
plastics
mercury
liquid
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
Application number
GB7846642A
Other versions
GB2015916B (en
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.)
Clint Inc
Original Assignee
Clint Inc
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 Clint Inc filed Critical Clint Inc
Publication of GB2015916A publication Critical patent/GB2015916A/en
Application granted granted Critical
Publication of GB2015916B publication Critical patent/GB2015916B/en
Expired 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
    • B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
    • B29C59/02—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing
    • 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
    • B29C33/02—Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means
    • B29C33/04—Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means using liquids, gas or steam
    • 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
    • B29C33/02—Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means
    • B29C33/08—Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means for dielectric heating
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
    • B29C43/10—Isostatic pressing, i.e. using non-rigid pressure-exerting members against rigid parts or dies
    • B29C43/12—Isostatic pressing, i.e. using non-rigid pressure-exerting members against rigid parts or dies using bags surrounding the moulding material or using membranes contacting the moulding material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B5/00—Presses characterised by the use of pressing means other than those mentioned in the preceding groups
    • B30B5/02—Presses characterised by the use of pressing means other than those mentioned in the preceding groups wherein the pressing means is in the form of a flexible element, e.g. diaphragm, urged by fluid pressure
    • 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
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/04—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam
    • B29C35/041—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam using liquids
    • B29C2035/042—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam using liquids other than water
    • 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
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/04—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam
    • B29C35/041—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam using liquids
    • B29C2035/042—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam using liquids other than water
    • B29C2035/044—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam using liquids other than water mercury
    • 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
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
    • B29C35/0805—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation
    • B29C2035/0861—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation using radio frequency

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Diaphragms And Bellows (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)

Abstract

In a molding process and apparatus for making plastics parts utilizing a radio frequency heating field and means for applying constant pressure, two metallic mold halves (10, 12) are joined clamping therebetween an imprinted diaphragm (18) having the plastics on one side thereof between the diaphragm and one of the mold halves and a liquid conductor, such as mercury (22), or a sodium or graphite solution fills a space on the other side of the diaphragm. Each of the mold halves is provided with means for cooling (30, 36). After the plastics material, which may be in liquid, powder or sheet form, is in place and the mold is closed, the field is applied, and the mercury is pressurised. In another embodiment the material is compressed between one electrode platen and a resilient pad on a second electrode platen. <IMAGE>
GB7846642A 1978-03-13 1978-11-30 Compression moulding Expired GB2015916B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US88605578A 1978-03-13 1978-03-13

Publications (2)

Publication Number Publication Date
GB2015916A true GB2015916A (en) 1979-09-19
GB2015916B GB2015916B (en) 1982-06-09

Family

ID=25388283

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7846642A Expired GB2015916B (en) 1978-03-13 1978-11-30 Compression moulding

Country Status (6)

Country Link
JP (1) JPS54158461A (en)
DE (1) DE2854806C2 (en)
FR (1) FR2419806A1 (en)
GB (1) GB2015916B (en)
IT (1) IT1101074B (en)
PH (1) PH18643A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0168617A2 (en) * 1984-07-19 1986-01-22 Hallmark Cards, Incorporated Replication of surface characteristics
EP0303710A1 (en) * 1987-02-23 1989-02-22 Namba Press Works Co., Ltd. Method of forming thermoplastic fabric
EP0354017A2 (en) * 1988-08-02 1990-02-07 VEDRIL S.p.A. Process for the isostatic molding of polymerizable organic liquids

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2516764A1 (en) * 1981-11-25 1983-05-27 Anver PRESS FOR BONDING SHOE ELEMENTS

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB642148A (en) * 1947-09-23 1950-08-30 Dunlop Rubber Co Improvements in the production of surface designs on thermoplastic sheet materials
US2922865A (en) * 1958-05-26 1960-01-26 Gen Motors Corp Process and apparatus for dielectric heating
AU420577B2 (en) * 1966-09-20 1972-01-19 Verson Allsteel Press Company Diaphragm type hydraulic press
GB1222516A (en) * 1967-07-06 1971-02-17 Dunlop Co Ltd Improvements in or relating to moulding of foam
BE754422A (en) * 1969-08-13 1971-02-05 Shell Int Research METHOD AND DEVICE FOR FORMING OBJECTS FROM A SHEET
ES175654Y (en) * 1971-12-24 1972-12-16 Lopez Sanchez WATERPROOF CLOSURE FOR ELECTRIC BATTERIES.
SE404141B (en) * 1975-12-23 1978-09-25 Asea Ab HYDRAULIC PRESSURE OF THE TYPE CONTAINING A PRESSURE CELL WITH A SACK-LIKE MEMBRANE AND ONE OF THE PRESSURE CELL PACKABLE PRESSURE CUSHION OF ELASTIC MATERIAL FOR FORMING PREFERRED PLATES
DE2627160C3 (en) * 1976-06-16 1984-08-30 Dorst-Keramikmaschinen-Bau Otto Dorst u. Dipl. Ing. Walter Schlegel, 8113 Kochel Method for making plates or the like. by means of a press and press for carrying out the process

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0168617A2 (en) * 1984-07-19 1986-01-22 Hallmark Cards, Incorporated Replication of surface characteristics
EP0168617A3 (en) * 1984-07-19 1987-02-25 Hallmark Cards, Incorporated Replication of surface characteristics
EP0303710A1 (en) * 1987-02-23 1989-02-22 Namba Press Works Co., Ltd. Method of forming thermoplastic fabric
EP0303710A4 (en) * 1987-02-23 1991-08-28 Namba Press Works Co., Ltd. Method of forming thermoplastic fabric
EP0354017A2 (en) * 1988-08-02 1990-02-07 VEDRIL S.p.A. Process for the isostatic molding of polymerizable organic liquids
EP0354017A3 (en) * 1988-08-02 1991-01-23 VEDRIL S.p.A. Process for the isostatic molding of polymerizable organic liquids

Also Published As

Publication number Publication date
GB2015916B (en) 1982-06-09
JPS54158461A (en) 1979-12-14
IT1101074B (en) 1985-09-28
PH18643A (en) 1985-08-23
JPS5628691B2 (en) 1981-07-03
FR2419806A1 (en) 1979-10-12
FR2419806B1 (en) 1984-07-13
DE2854806C2 (en) 1981-12-10
DE2854806A1 (en) 1979-09-20
IT7831014A0 (en) 1978-12-19

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19971130