GB505089A - An improved method of producing waterproof hollow bodies - Google Patents

An improved method of producing waterproof hollow bodies

Info

Publication number
GB505089A
GB505089A GB29873/37A GB2987337A GB505089A GB 505089 A GB505089 A GB 505089A GB 29873/37 A GB29873/37 A GB 29873/37A GB 2987337 A GB2987337 A GB 2987337A GB 505089 A GB505089 A GB 505089A
Authority
GB
United Kingdom
Prior art keywords
layer
cellulose derivative
rubber
layers
solution
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
GB29873/37A
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.)
INTERNAT CONTAINERS Ltd
Original Assignee
INTERNAT CONTAINERS 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 INTERNAT CONTAINERS Ltd filed Critical INTERNAT CONTAINERS Ltd
Publication of GB505089A publication Critical patent/GB505089A/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
    • B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
    • B29C41/003—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; 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
    • B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
    • B29C41/02—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of definite length, i.e. discrete articles
    • B29C41/22—Making multilayered or multicoloured articles
    • 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
    • B29K2001/00—Use of cellulose, modified cellulose or cellulose derivatives, e.g. viscose, as 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
    • B29K2001/00—Use of cellulose, modified cellulose or cellulose derivatives, e.g. viscose, as moulding material
    • B29K2001/08—Cellulose derivatives
    • B29K2001/12—Cellulose acetate
    • 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
    • B29K2007/00—Use of natural rubber as moulding material

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Laminated Bodies (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

505,089. Moulding plastic materials. BRATRING, K., and INTERNATIONAL CONTAINERS, Ltd. Nov. 1, 1937, No. 29873. Convention date, Nov. 30, 1936. [Class 87 (ii)] [Also in Groups IV and XVII] A waterproof hollow body is obtained by applying to a core a layer of a non-aqueous solution of a cellulose derivative, drying this layer, then applying a second layer consisting of rubber or the like or a synthetic resin, drying this layer, applying a non-aqueous solution of a cellulose derivative and drying this third layer. The cellulose derivative may be cellulose acetate, or nitrate, or other ester or ether. Instead of caoutchouc there may be used guttapercha, or balata. If a synthetic resin is used, it may be a glycerol-phthalic anhydride, or polyvinyl ester resin. Plasticizers may be present in any or all of the layers. A core may be immersed in a solution of cellulose acetate in acetone containing triphenyl phosphate or dibutyl phthalate, then in a solution of caoutchouc in benzol with an addition of a phenolaldehyde resin, and then in a solution of cellulose acetate. A solvent, e.g. methylene chloride mixed with ethyl alcohol or cyclohexanone, which is common to both the cellulose derivative layers and to the rubber or synthetic resin layer may be used. Butyl stearate may be used as plasticizer for the rubber layer.If the three-layer material is too thin, additional layers of rubber and cellulose derivative may be applied, the outer layer being of a cellulose derivative. During immersion in the rubber layer the uppermost part of the first layer may be left uncovered. When the third layer is applied, a firm adhesion between the inner and outer cellulose derivative layers is obtained. The process is applicable to the production of tubes or containers for liquids or plastic materials. The Specification as open to inspection under Sect. 91 comprises also the production of waterproof films. This subject-matter does not appear in the Specification as accepted.
GB29873/37A 1936-11-30 1937-11-01 An improved method of producing waterproof hollow bodies Expired GB505089A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE505089X 1936-11-30

Publications (1)

Publication Number Publication Date
GB505089A true GB505089A (en) 1939-05-01

Family

ID=6546307

Family Applications (1)

Application Number Title Priority Date Filing Date
GB29873/37A Expired GB505089A (en) 1936-11-30 1937-11-01 An improved method of producing waterproof hollow bodies

Country Status (1)

Country Link
GB (1) GB505089A (en)

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