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GB1075765A - Improvements in and relating to the moulding of articles - Google Patents

Improvements in and relating to the moulding of articles

Info

Publication number
GB1075765A
GB1075765A GB2777264A GB2777264A GB1075765A GB 1075765 A GB1075765 A GB 1075765A GB 2777264 A GB2777264 A GB 2777264A GB 2777264 A GB2777264 A GB 2777264A GB 1075765 A GB1075765 A GB 1075765A
Authority
GB
United Kingdom
Prior art keywords
piston
moulding
bag
mould
articles
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
GB2777264A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB1075765A publication Critical patent/GB1075765A/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
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/28—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of blown tubular films, e.g. by inflation
    • 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
    • B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
    • B29C37/006—Degassing moulding material or draining off gas during moulding
    • B29C37/0064—Degassing moulding material or draining off gas during moulding of reinforced 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
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/44—Component parts, details or accessories; Auxiliary operations for applying pressure through the walls of an inflated bag
    • 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
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/40—Shaping or impregnating by compression not applied
    • B29C70/42—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles
    • B29C70/44—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using isostatic pressure, e.g. pressure difference-moulding, vacuum bag-moulding, autoclave-moulding or expanding rubber-moulding
    • B29C70/446—Moulding structures having an axis of symmetry or at least one channel, e.g. tubular structures, frames
    • 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
    • B29D22/00—Producing hollow articles
    • 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
    • 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
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2023/00—Tubular articles
    • B29L2023/22—Tubes or pipes, i.e. rigid
    • 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
    • B29L2031/001—Profiled members, e.g. beams, sections
    • B29L2031/003—Profiled members, e.g. beams, sections having a profiled transverse cross-section

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Moulding By Coating Moulds (AREA)
  • Actuator (AREA)

Abstract

1,075,765. Bag-moulding. P. DESCHAMPS. July 6, 1964 [July 4, 1963], No. 27772/64. Heading B5A. Hollow articles are made by lining a two-part mould 1, 2 with moulding material R, in excess of the amount required, and inflating a bag 4 obturated by a piston 8 via inlet 5, the effect of inflation being to drive the piston out of the mould together with the excess material and air occluded therein, the bag thereafter being closed at end 6 so that it may remain inflated until the moulding material has set. The piston 8 may be solid or distensible and in the latter case an article having a varying cross-section may be produced. Piston rod 9 may be actuated to accelerate its movement out of the mould or retarded by means such as a friction brake or a pneumatic dashpot. The moulding material mentioned is synthetic resin, in particular synthetic resin reinforced with a fabric, e.g. of glass fibre, and the articles may be tubular or open on one side, Fig. 3 (not shown), ships' masts and booms being specifically mentioned.
GB2777264A 1963-07-04 1964-07-06 Improvements in and relating to the moulding of articles Expired GB1075765A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR940348A FR1382938A (en) 1963-07-04 1963-07-04 Method and apparatus for molding profiled parts of synthetic resin

Publications (1)

Publication Number Publication Date
GB1075765A true GB1075765A (en) 1967-07-12

Family

ID=8807567

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2777264A Expired GB1075765A (en) 1963-07-04 1964-07-06 Improvements in and relating to the moulding of articles

Country Status (6)

Country Link
BE (1) BE644242A (en)
DE (1) DE1289649B (en)
FR (1) FR1382938A (en)
GB (1) GB1075765A (en)
LU (1) LU45476A1 (en)
NL (1) NL6401992A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1284007C (en) * 1986-02-13 1991-05-14 Robert V. Kromrey Molding method and apparatus using a solid, flowable, polymer medium
US4812115A (en) * 1987-10-05 1989-03-14 Dow Corning Corporation Fixed-volume trapped rubber molding apparatus
US4889668A (en) * 1987-10-05 1989-12-26 Dow Corning Corporation Fixed-volume, trapped rubber molding method

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1191556B (en) * 1961-06-21 1965-04-22 Detag Process for the continuous production of fiber-reinforced, in particular glass fiber-reinforced, hollow profiles made of plastic

Also Published As

Publication number Publication date
NL6401992A (en) 1965-01-05
DE1289649B (en) 1969-02-20
FR1382938A (en) 1964-12-24
BE644242A (en) 1964-06-15
LU45476A1 (en) 1964-04-20

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