GB1271785A - Method and apparatus for the manufacture of hollow bodies from thermoplastic synthetic material by rotary fusing - Google Patents

Method and apparatus for the manufacture of hollow bodies from thermoplastic synthetic material by rotary fusing

Info

Publication number
GB1271785A
GB1271785A GB3667170A GB3667170A GB1271785A GB 1271785 A GB1271785 A GB 1271785A GB 3667170 A GB3667170 A GB 3667170A GB 3667170 A GB3667170 A GB 3667170A GB 1271785 A GB1271785 A GB 1271785A
Authority
GB
United Kingdom
Prior art keywords
mould
negative pressure
flanges
softener
during
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
GB3667170A
Other languages
English (en)
Inventor
Herbert Giehler
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
Priority claimed from DE19702015966 external-priority patent/DE2015966C/de
Application filed by Individual filed Critical Individual
Publication of GB1271785A publication Critical patent/GB1271785A/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
    • B29C41/02—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
    • B29C41/04—Rotational or centrifugal casting, i.e. coating the inside of a mould by rotating the mould
    • 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
    • B29C33/0038—Moulds or cores; Details thereof or accessories therefor with sealing means or the like
    • 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
    • B29C2791/00—Shaping characteristics in general
    • B29C2791/004—Shaping under special conditions
    • B29C2791/006—Using vacuum
    • 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
    • B29C41/34—Component parts, details or accessories; Auxiliary operations
    • B29C41/50—Shaping under special conditions, e.g. vacuum
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Moulding By Coating Moulds (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
GB3667170A 1970-04-03 1970-07-29 Method and apparatus for the manufacture of hollow bodies from thermoplastic synthetic material by rotary fusing Expired GB1271785A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702015966 DE2015966C (de) 1970-04-03 Verfahren und Vorrichtung zum Herstellen von Hohlkörpern aus thermoplastischen Kunststoffen, insbesondere aus Cellulosederivaten durch Rotationsschmelzen

Publications (1)

Publication Number Publication Date
GB1271785A true GB1271785A (en) 1972-04-26

Family

ID=5767029

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3667170A Expired GB1271785A (en) 1970-04-03 1970-07-29 Method and apparatus for the manufacture of hollow bodies from thermoplastic synthetic material by rotary fusing

Country Status (9)

Country Link
JP (1) JPS505750B1 (fr)
AT (1) AT314823B (fr)
BE (1) BE757080A (fr)
CH (1) CH513705A (fr)
ES (1) ES380936A1 (fr)
FR (1) FR2065097A5 (fr)
GB (1) GB1271785A (fr)
NL (1) NL146083B (fr)
SE (1) SE366495B (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7165964B2 (en) * 2001-07-18 2007-01-23 Allergan, Inc. System for rotational molding of medical articles
AU2007205721B2 (en) * 2001-07-18 2008-10-02 Allergan, Inc. Rotational molding of medical articles
US8431179B2 (en) 2008-11-20 2013-04-30 Allergan, Inc. System and method for molding soft fluid-filled implant shells
WO2013066415A1 (fr) * 2011-06-10 2013-05-10 Jean-Paul Ciardullo Centrifugeuse sphérique
WO2016135632A1 (fr) * 2015-02-23 2016-09-01 Sabic Global Technologies B.V. Procédé de formation de pièces polymères dans des conditions de vide

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2530211C2 (de) * 1975-07-07 1983-12-01 Elkamet-Werk Lahn-Kunststoff Gmbh, 3560 Biedenkopf Verfahren und Vorrichtung zum Herstellen von Hohlkörpern aus thermoplastischem Kunststoff durch Rotationsschmelzen
ES2110901B1 (es) * 1995-06-02 1999-07-01 Fundacion Gaiker Procedimiento de fabricacion de piezas huecas de piel continua con efecto marmol u onice artificial.

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7165964B2 (en) * 2001-07-18 2007-01-23 Allergan, Inc. System for rotational molding of medical articles
AU2002318248B2 (en) * 2001-07-18 2007-05-10 Allergan, Inc. Rotational molding of medical articles
AU2007205721B2 (en) * 2001-07-18 2008-10-02 Allergan, Inc. Rotational molding of medical articles
US7628604B2 (en) 2001-07-18 2009-12-08 Allergan, Inc. Rotational molding system for medical articles
US8431179B2 (en) 2008-11-20 2013-04-30 Allergan, Inc. System and method for molding soft fluid-filled implant shells
WO2013066415A1 (fr) * 2011-06-10 2013-05-10 Jean-Paul Ciardullo Centrifugeuse sphérique
US9457398B2 (en) 2011-06-10 2016-10-04 Jean-Paul Ciardullo Spherical centrifuge
WO2016135632A1 (fr) * 2015-02-23 2016-09-01 Sabic Global Technologies B.V. Procédé de formation de pièces polymères dans des conditions de vide

Also Published As

Publication number Publication date
DE2015966A1 (de) 1971-10-21
FR2065097A5 (fr) 1971-07-23
NL7012869A (fr) 1971-10-05
SE366495B (fr) 1974-04-29
CH513705A (de) 1971-10-15
NL146083B (nl) 1975-06-16
JPS505750B1 (fr) 1975-03-06
DE2015966B2 (de) 1972-06-15
ES380936A1 (es) 1972-09-16
AT314823B (de) 1974-04-25
BE757080A (fr) 1971-03-16

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Legal Events

Date Code Title Description
PS Patent sealed
435 Patent endorsed 'licences of right' on the date specified (sect. 35/1949)
PCNP Patent ceased through non-payment of renewal fee