CH434724A - Verfahren und Vorrichtung zur Herstellung von Hohlkörpern aus Polymerpulver - Google Patents

Verfahren und Vorrichtung zur Herstellung von Hohlkörpern aus Polymerpulver

Info

Publication number
CH434724A
CH434724A CH1150965A CH1150965A CH434724A CH 434724 A CH434724 A CH 434724A CH 1150965 A CH1150965 A CH 1150965A CH 1150965 A CH1150965 A CH 1150965A CH 434724 A CH434724 A CH 434724A
Authority
CH
Switzerland
Prior art keywords
production
polymer powder
hollow bodies
bodies
hollow
Prior art date
Application number
CH1150965A
Other languages
English (en)
Inventor
Sfondrini Pierluigi
Convalle Giovanni
Original Assignee
Edison Soc
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 Edison Soc filed Critical Edison Soc
Publication of CH434724A publication Critical patent/CH434724A/de

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
    • 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
    • B29C33/52—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 soluble or fusible
    • 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
    • B29C33/48—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 with means for collapsing or disassembling
    • B29C33/50—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 with means for collapsing or disassembling elastic or flexible
    • B29C33/505—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 with means for collapsing or disassembling elastic or flexible cores or mandrels, e.g. inflatable
    • 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
    • B29K2027/00—Use of polyvinylhalogenides or derivatives thereof as moulding material
    • B29K2027/12—Use of polyvinylhalogenides or derivatives thereof as moulding material containing fluorine
    • B29K2027/18—PTFE, i.e. polytetrafluorethene, e.g. ePTFE, i.e. expanded polytetrafluorethene
    • 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
    • B29K2105/25—Solid
    • B29K2105/251—Particles, powder or granules
    • 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
    • B29L2031/712—Containers; Packaging elements or accessories, Packages
    • B29L2031/7158—Bottles
CH1150965A 1964-08-18 1965-08-17 Verfahren und Vorrichtung zur Herstellung von Hohlkörpern aus Polymerpulver CH434724A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1794364 1964-08-18

Publications (1)

Publication Number Publication Date
CH434724A true CH434724A (de) 1967-04-30

Family

ID=11151502

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1150965A CH434724A (de) 1964-08-18 1965-08-17 Verfahren und Vorrichtung zur Herstellung von Hohlkörpern aus Polymerpulver

Country Status (12)

Country Link
US (1) US3424830A (de)
AT (1) AT301161B (de)
BE (1) BE668210A (de)
CH (1) CH434724A (de)
DK (1) DK124243B (de)
ES (2) ES316836A1 (de)
FR (1) FR1442960A (de)
GB (1) GB1116643A (de)
IL (1) IL24134A (de)
NL (1) NL145800B (de)
NO (1) NO135170C (de)
SE (1) SE317188B (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH556732A (de) * 1972-09-18 1974-12-13 Steiger Engineering Ag Verfahren zur herstellung von duennwandigen hohlkoerpern aus polytetrafluoraethylen, vorrichtung zur durchfuehrung des verfahrens sowie nach dem verfahren hergestellter hohlkoerper.
US4210621A (en) * 1978-03-23 1980-07-01 The Dow Chemical Company Method of applying vermicular expanded graphite composite material
GB2244233B (en) * 1990-05-16 1993-03-03 Chloride Silent Power Ltd A method of manufacturing a graphite foil coating for use in an alkali metal energy conversion device
FR2669392B1 (fr) * 1990-11-15 1994-10-21 Plastic Omnium Cie Piston et son procede de realisation.
DE102006035619B3 (de) * 2006-07-31 2007-11-29 Airbus Deutschland Gmbh Anschlussvorrichtung für einen Formkern zur Herstellung eines Faserverbundbauteils, insbesondere für die Luft- und Raumfahrt
WO2017021513A1 (de) * 2015-08-04 2017-02-09 Benjamin Ohmer GIEßVERFAHREN UNTER VERWENDUNG EINER DILATANTEN FLUSSIGKEIT, ANLAGE ZUM ERZEUGEN EINES DREIDIMENSIONALEN OBJEKTS UND HOHLKORPER MIT HINTERSCHNITT
CN112356406B (zh) * 2020-09-21 2022-05-27 贝隆精密科技股份有限公司 一种外观件脱模结构

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2929109A (en) * 1954-12-30 1960-03-22 Charles N Cresap Method for molding pulverulent material
US3015855A (en) * 1958-02-01 1962-01-09 Merkel Ewald Method of and device for making hollow bodies

Also Published As

Publication number Publication date
AT301161B (de) 1972-08-25
ES316836A1 (es) 1965-11-16
GB1116643A (en) 1968-06-12
BE668210A (de) 1965-12-01
NL145800B (nl) 1975-05-15
SE317188B (de) 1969-11-10
NO135170C (de) 1977-02-23
DE1554903B1 (de) 1972-08-31
DK124243B (da) 1972-10-02
ES316837A1 (es) 1966-04-16
NL6510272A (de) 1966-02-21
US3424830A (en) 1969-01-28
FR1442960A (fr) 1966-06-17
IL24134A (en) 1969-12-31
NO135170B (de) 1976-11-15

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