GB1138391A - Method of producing shaped articles - Google Patents

Method of producing shaped articles

Info

Publication number
GB1138391A
GB1138391A GB221266A GB221266A GB1138391A GB 1138391 A GB1138391 A GB 1138391A GB 221266 A GB221266 A GB 221266A GB 221266 A GB221266 A GB 221266A GB 1138391 A GB1138391 A GB 1138391A
Authority
GB
United Kingdom
Prior art keywords
sheet material
jan
clamping
pressure gas
chamber
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
GB221266A
Inventor
Brenda Bateman
Ronald Lloyd
James Dow
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.)
Smith and Nephew Extruded Films Ltd
Original Assignee
Smith and Nephew Plastics Ltd
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 Smith and Nephew Plastics Ltd filed Critical Smith and Nephew Plastics Ltd
Priority to GB221266A priority Critical patent/GB1138391A/en
Priority to NL6700662A priority patent/NL6700662A/xx
Priority to BE692792D priority patent/BE692792A/xx
Priority to LU52834D priority patent/LU52834A1/xx
Priority to FR91599A priority patent/FR1508562A/en
Publication of GB1138391A publication Critical patent/GB1138391A/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
    • B29C51/26—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
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D28/00—Producing nets or the like, e.g. meshes, lattices
    • 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)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)

Abstract

1,138,391. Drawing sheet material. SMITH & NEPHEW PLASTICS Ltd. 11 Jan., 1967 [18 Jan., 1966], No. 2212/66. Heading B5A. [Also in Division A3] Reticulated hollow articles are formed by clamping a discrete area of an embossed sheet material of the type which opens out into a net under tension, and then deep drawing that area. The drawing may be performed by a male former, by an inflatable balloon or by a pressure fluid acting through the agency of a diaphragm. In the embodiment shown in the figure, a peaked cap (see Fig. 3, not shown) is made by clamping an elastic membrane 10 and the sheet material 2 to be drawn over a pressure gas chamber 12 by a template 6 having the required shaped aperture therein. The whole is then heated in an oven and a pressure gas introduced into chamber 12 to free form the membrane and the sheet through the aperture to desired shape. The assembly is subsequently dismantled.
GB221266A 1966-01-18 1966-01-18 Method of producing shaped articles Expired GB1138391A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
GB221266A GB1138391A (en) 1966-01-18 1966-01-18 Method of producing shaped articles
NL6700662A NL6700662A (en) 1966-01-18 1967-01-16
BE692792D BE692792A (en) 1966-01-18 1967-01-18
LU52834D LU52834A1 (en) 1966-01-18 1967-01-18
FR91599A FR1508562A (en) 1966-01-18 1967-01-18 Shaped articles of thermoplastic material and their manufacturing process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB221266A GB1138391A (en) 1966-01-18 1966-01-18 Method of producing shaped articles

Publications (1)

Publication Number Publication Date
GB1138391A true GB1138391A (en) 1969-01-01

Family

ID=9735571

Family Applications (1)

Application Number Title Priority Date Filing Date
GB221266A Expired GB1138391A (en) 1966-01-18 1966-01-18 Method of producing shaped articles

Country Status (5)

Country Link
BE (1) BE692792A (en)
FR (1) FR1508562A (en)
GB (1) GB1138391A (en)
LU (1) LU52834A1 (en)
NL (1) NL6700662A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004098863A1 (en) * 2003-05-05 2004-11-18 Ortho-Active Holdings Inc. Rapid thermoform pressure forming process and apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004098863A1 (en) * 2003-05-05 2004-11-18 Ortho-Active Holdings Inc. Rapid thermoform pressure forming process and apparatus
US7326044B2 (en) 2003-05-05 2008-02-05 Ortho-Active Holdings Inc. Rapid thermoform pressure forming process and apparatus

Also Published As

Publication number Publication date
LU52834A1 (en) 1967-03-20
NL6700662A (en) 1967-07-19
FR1508562A (en) 1968-01-05
BE692792A (en) 1967-07-18

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