GB1184328A - Thermoforming Method and Apparatus - Google Patents

Thermoforming Method and Apparatus

Info

Publication number
GB1184328A
GB1184328A GB1058069A GB1058069A GB1184328A GB 1184328 A GB1184328 A GB 1184328A GB 1058069 A GB1058069 A GB 1058069A GB 1058069 A GB1058069 A GB 1058069A GB 1184328 A GB1184328 A GB 1184328A
Authority
GB
United Kingdom
Prior art keywords
sheet
drawn
forming
flexible
membrane
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.)
Expired
Application number
GB1058069A
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.)
Union Carbide Corp
Original Assignee
Union Carbide Corp
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 Union Carbide Corp filed Critical Union Carbide Corp
Publication of GB1184328A publication Critical patent/GB1184328A/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
    • 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
    • B29C51/004—Textile or other fibrous material made from plastics fibres
    • 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
    • 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
    • B29C35/0266—Local curing
    • 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
    • B29C51/28—Component parts, details or accessories; Auxiliary operations for applying pressure through the wall of an inflated bag or diaphragm
    • 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
    • B29C51/42—Heating or cooling
    • B29C51/421—Heating or cooling of preforms, specially adapted for thermoforming
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Thermal Sciences (AREA)
  • Textile Engineering (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Laminated Bodies (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

1,184,328. Sheet forming. UNION CARBIDE CORP. 27 Feb., 1969 [1 March, 1968], No. 10580/69. Heading B5A. In a sheet forming process of the type in which the sheet is drawn through the agency of a flexible membrane contacting the sheet, the membrane is electrically conductive and has a current passed through it prior to the forming to heat-soften the sheet. In the particular embodiment, a sheet 24 is drawn into a mould 10 after being heated by a flexible conductive sheet 22 to which current has been applied by electrodes 18 and 18<SP>1</SP> carried by a reciprocating insulated frame 16. The flexible membrane may be of a silicone rubber containing conductive particles such as carbon.
GB1058069A 1968-03-01 1969-02-27 Thermoforming Method and Apparatus Expired GB1184328A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US70974568A 1968-03-01 1968-03-01

Publications (1)

Publication Number Publication Date
GB1184328A true GB1184328A (en) 1970-03-11

Family

ID=24851161

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1058069A Expired GB1184328A (en) 1968-03-01 1969-02-27 Thermoforming Method and Apparatus

Country Status (4)

Country Link
BE (1) BE729194A (en)
DE (1) DE1908987A1 (en)
FR (1) FR2003058A1 (en)
GB (1) GB1184328A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2235781A1 (en) * 1973-07-05 1975-01-31 Bignon Louis Vacuum forming optical quality sheet between rubber covers - to eliminate post polishing of mould marks or chill patterns
FR2760400A1 (en) * 1997-03-07 1998-09-11 Aerovac Systems Keighley Ltd MEMBRANE, VACUUM BAG AND PROCESS FOR PRODUCING MEMBRANE
US11390042B2 (en) 2018-03-13 2022-07-19 Premium Aerotec Gmbh Method and apparatus for thermally joining thermoplastic fiber composite components, and cover for a pressurization device suitable for this purpose

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2530983B1 (en) * 1982-07-27 1985-06-14 Cebal PROCESS FOR THE MANUFACTURE OF PACKAGING FOR CONSUMABLE PRODUCTS THERMOFORMING ALUMINUM-BASED THIN BLANKS
DE3942891A1 (en) * 1989-12-23 1991-06-27 Bayer Ag METHOD FOR THERMOPLASTIC SHAPING OF PLASTICS
FR2915128B1 (en) * 2007-04-23 2016-08-05 Cie Europeenne D'etude Et De Rech De Dispositifs Pour L'implantation Par Laparoscopie METHOD FOR FORMING ELASTOMER OR PLASTIC SOFT SHEET AND CORRESPONDING DEVICE

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2235781A1 (en) * 1973-07-05 1975-01-31 Bignon Louis Vacuum forming optical quality sheet between rubber covers - to eliminate post polishing of mould marks or chill patterns
FR2760400A1 (en) * 1997-03-07 1998-09-11 Aerovac Systems Keighley Ltd MEMBRANE, VACUUM BAG AND PROCESS FOR PRODUCING MEMBRANE
US11390042B2 (en) 2018-03-13 2022-07-19 Premium Aerotec Gmbh Method and apparatus for thermally joining thermoplastic fiber composite components, and cover for a pressurization device suitable for this purpose
US12036748B2 (en) 2018-03-13 2024-07-16 Premium Aerotec Gmbh Method and apparatus for thermally joining thermoplastic fiber composite components, and cover for a pressurization device suitable for this purpose

Also Published As

Publication number Publication date
FR2003058A1 (en) 1969-11-07
DE1908987A1 (en) 1969-09-25
BE729194A (en) 1969-08-28

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees