SE452130B - Dyna for formning av stapelbara behallare med underskerningar - Google Patents

Dyna for formning av stapelbara behallare med underskerningar

Info

Publication number
SE452130B
SE452130B SE8500830A SE8500830A SE452130B SE 452130 B SE452130 B SE 452130B SE 8500830 A SE8500830 A SE 8500830A SE 8500830 A SE8500830 A SE 8500830A SE 452130 B SE452130 B SE 452130B
Authority
SE
Sweden
Prior art keywords
mold space
bushing
front surface
projections
rack
Prior art date
Application number
SE8500830A
Other languages
English (en)
Swedish (sv)
Other versions
SE8500830L (sv
SE8500830D0 (sv
Inventor
P Padovani
Original Assignee
O M V Spa Officine Meccaniche
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 O M V Spa Officine Meccaniche filed Critical O M V Spa Officine Meccaniche
Publication of SE8500830D0 publication Critical patent/SE8500830D0/xx
Publication of SE8500830L publication Critical patent/SE8500830L/
Publication of SE452130B publication Critical patent/SE452130B/sv

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
    • B29C33/48—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
    • 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
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/26—Component parts, details or accessories; Auxiliary operations
    • B29C51/30—Moulds
    • B29C51/34—Moulds for undercut 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
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/26—Component parts, details or accessories; Auxiliary operations
    • B29C51/30—Moulds
    • B29C51/34—Moulds for undercut articles
    • B29C51/346—Moulds for undercut articles specially adapted to facilitate the destacking of nestable containers

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Stackable Containers (AREA)
SE8500830A 1984-02-10 1985-02-21 Dyna for formning av stapelbara behallare med underskerningar SE452130B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT84907/84A IT1183734B (it) 1984-02-10 1984-02-10 Stampo femmina per recipienti impilabili

Publications (3)

Publication Number Publication Date
SE8500830D0 SE8500830D0 (sv) 1985-02-21
SE8500830L SE8500830L (sv) 1986-08-22
SE452130B true SE452130B (sv) 1987-11-16

Family

ID=11325540

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8500830A SE452130B (sv) 1984-02-10 1985-02-21 Dyna for formning av stapelbara behallare med underskerningar

Country Status (13)

Country Link
US (1) US4609339A (ja)
JP (1) JPS60172521A (ja)
AT (1) AT381903B (ja)
AU (1) AU559683B2 (ja)
BE (1) BE901860A (ja)
CA (1) CA1235873A (ja)
CH (1) CH661002A5 (ja)
DE (1) DE3420551C2 (ja)
FR (1) FR2559421B1 (ja)
GB (1) GB2171353B (ja)
IT (1) IT1183734B (ja)
NL (1) NL8500577A (ja)
SE (1) SE452130B (ja)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4822553A (en) * 1986-11-06 1989-04-18 Marshall Floyd M Apparatus and method for thermoforming a plastic article having an undercut
US5766536A (en) * 1996-08-07 1998-06-16 Tenneco Packaging Method for manufacturing lockable thermoplastic containers
US6261504B1 (en) 1999-08-30 2001-07-17 Pactiv Corporation Form keys and method for thermoforming undercuts in foam parts
US6814564B2 (en) 1999-08-30 2004-11-09 Pactiv Corporation Mold with fluid driven form keys
KR100694387B1 (ko) * 1999-09-08 2007-03-12 위지 팩 인터내셔날 엘티디. 얇은 벽을 갖춘 물체를 형성하는 장치
ITVR20010017A1 (it) 2001-02-15 2002-08-16 Isap Omv Group Spa Apparecchiatura di manipolazione di gruppi di pile di oggetti termoformati permanentemente tenute in corretto assetto assiale
ITVR20010016A1 (it) * 2001-02-15 2002-08-16 Isap Omv Group Spa Procedimento ed impianto di manipolazione oggetti termoformati per macchina termoformatrice a stazione unica con stampo forma e trancia
ITVR20010018A1 (it) 2001-02-15 2002-08-16 Isap Omv Group Spa Impianto di scarico di pile di oggetti termoformati da una gabbia di accoglimento ad un trasportatore di allontanamento
DE10122166A1 (de) * 2001-05-08 2002-11-14 Bosch Gmbh Robert Verfahren und Vorrichtung zur Herstellung von Kunststoffbehältern
US7124910B2 (en) * 2003-09-19 2006-10-24 Pactiv Corporation Leak-resistant polymeric foam containers
EP1677968A1 (en) * 2003-10-10 2006-07-12 WECHSLER, Lawrence I Integral frame structures and manufacturing method
JP6254738B1 (ja) * 2017-07-09 2017-12-27 東京プロト株式会社 真空成形用金型及びそれを備えた真空成形装置並びにアンダーカットを有するトレイの真空成形方法
DE102020109686A1 (de) 2020-04-07 2021-10-07 Kiefel Gmbh Deckel mit Unterschneidung auf der Grundlage von Naturfasern
DE102020118217A1 (de) 2020-07-10 2022-01-13 Marbach Werkzeugbau Gmbh Formwerkzeug und Formverfahren zur Erzeugung von Behältern mit Hinterschnitten

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB742516A (en) * 1953-12-01 1955-12-30 Edward James Jones A stacking receptacle and method and apparatus for producing the same
US2985914A (en) * 1958-10-03 1961-05-30 Continental Can Co Plastic cup mold
US3058153A (en) * 1959-02-24 1962-10-16 Scott Paper Co Vacuum forming molds
ES376554A1 (es) * 1969-03-14 1972-04-16 Zach Verpackungen Un dispositivo para la deformacion en caliente de una hoja de material sintetico termoplastico o de cualquier otro ma- terial termoplastico.
DE2034125A1 (en) * 1970-07-09 1972-01-13 Krueger E Thermoplastics beaker deep drawing appts - with pneumatically controlled diaphragm piston for inversion of bombed base
LU62485A1 (ja) * 1971-01-25 1972-08-23
US3947204A (en) * 1972-10-02 1976-03-30 The Dow Chemical Company Scrapless forming of plastic articles
CA1161614A (en) * 1979-07-05 1984-02-07 Thomas R. Haubert Blow moulding method and apparatus
DE3024683A1 (de) * 1980-06-30 1982-01-28 Etimex Kunststoffwerke Gmbh, 7000 Stuttgart Kunststoffbecher sowie verfahren und tiefziehwerkzeug zu seiner herstellung
DE3145354A1 (de) * 1981-11-14 1983-05-26 Adolf Illig Maschinenbau Gmbh & Co, 7100 Heilbronn Verfahren zum entformen von behaeltern aus thermoplastischer kunststoffolie und vorrichtung zur durchfuehrung des verfahrens
US4533312A (en) * 1982-12-27 1985-08-06 Holdt J W Von Simplified collapsible mold core

Also Published As

Publication number Publication date
FR2559421A1 (fr) 1985-08-16
GB8504645D0 (en) 1985-03-27
ATA47585A (de) 1986-05-15
NL8500577A (nl) 1986-10-01
GB2171353A (en) 1986-08-28
BE901860A (fr) 1985-07-01
CA1235873A (en) 1988-05-03
JPH0448087B2 (ja) 1992-08-05
GB2171353B (en) 1989-06-14
DE3420551A1 (de) 1985-08-29
SE8500830L (sv) 1986-08-22
DE3420551C2 (de) 1986-03-20
AU3923285A (en) 1986-09-04
AT381903B (de) 1986-12-10
SE8500830D0 (sv) 1985-02-21
FR2559421B1 (fr) 1988-12-02
IT1183734B (it) 1987-10-22
CH661002A5 (fr) 1987-06-30
US4609339A (en) 1986-09-02
IT8484907A0 (it) 1984-02-10
AU559683B2 (en) 1987-03-19
JPS60172521A (ja) 1985-09-06

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