GB449301A - Improved process for the production of hollow bodies from cellulose products and other plastic masses - Google Patents

Improved process for the production of hollow bodies from cellulose products and other plastic masses

Info

Publication number
GB449301A
GB449301A GB1474/36A GB147436A GB449301A GB 449301 A GB449301 A GB 449301A GB 1474/36 A GB1474/36 A GB 1474/36A GB 147436 A GB147436 A GB 147436A GB 449301 A GB449301 A GB 449301A
Authority
GB
United Kingdom
Prior art keywords
core
skin
plastic material
production
improved process
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
GB1474/36A
Other languages
English (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.)
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 GB449301A publication Critical patent/GB449301A/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
    • B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
    • B29C37/0003—Discharging moulded articles from the mould
    • B29C37/0017—Discharging moulded articles from the mould by stripping articles from mould cores
    • 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
    • B29C33/44—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles
    • B29C33/46—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles using fluid pressure
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Moulding By Coating Moulds (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
GB1474/36A 1935-01-16 1936-01-16 Improved process for the production of hollow bodies from cellulose products and other plastic masses Expired GB449301A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE449301X 1935-01-16

Publications (1)

Publication Number Publication Date
GB449301A true GB449301A (en) 1936-06-24

Family

ID=6538251

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1474/36A Expired GB449301A (en) 1935-01-16 1936-01-16 Improved process for the production of hollow bodies from cellulose products and other plastic masses

Country Status (3)

Country Link
FR (1) FR800745A (enrdf_load_stackoverflow)
GB (1) GB449301A (enrdf_load_stackoverflow)
NL (1) NL43999C (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004002709A1 (de) * 2002-06-28 2004-01-08 Contitech Luftfedersysteme Gmbh Vorrichtung und verfahren zum ablösen eines schlauchrohlings von einem trägerdorn
WO2017176578A1 (en) * 2016-04-04 2017-10-12 Bombardier Inc. Demolding method and apparatus

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004002709A1 (de) * 2002-06-28 2004-01-08 Contitech Luftfedersysteme Gmbh Vorrichtung und verfahren zum ablösen eines schlauchrohlings von einem trägerdorn
US7763144B2 (en) 2002-06-28 2010-07-27 Contitech Luftefedersystem GmbH Device and method for the detachment of a tube blank from a support core
WO2017176578A1 (en) * 2016-04-04 2017-10-12 Bombardier Inc. Demolding method and apparatus

Also Published As

Publication number Publication date
NL43999C (enrdf_load_stackoverflow)
FR800745A (fr) 1936-07-17

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