MX9709227A - Metodo para moldear un recipiente termoplastico. - Google Patents

Metodo para moldear un recipiente termoplastico.

Info

Publication number
MX9709227A
MX9709227A MX9709227A MX9709227A MX9709227A MX 9709227 A MX9709227 A MX 9709227A MX 9709227 A MX9709227 A MX 9709227A MX 9709227 A MX9709227 A MX 9709227A MX 9709227 A MX9709227 A MX 9709227A
Authority
MX
Mexico
Prior art keywords
container
mold
degree
poppet
core
Prior art date
Application number
MX9709227A
Other languages
English (en)
Other versions
MXPA97009227A (es
Inventor
Jose F Ballester
Original Assignee
Fortiflex Inc
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 Fortiflex Inc filed Critical Fortiflex Inc
Publication of MX9709227A publication Critical patent/MX9709227A/es
Publication of MXPA97009227A publication Critical patent/MXPA97009227A/es

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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/40—Removing or ejecting moulded articles
    • B29C45/44—Removing or ejecting moulded articles for undercut articles
    • B29C45/4407—Removing or ejecting moulded articles for undercut articles by flexible movement of undercut portions of the 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/40—Removing or ejecting moulded articles
    • B29C45/43—Removing or ejecting moulded articles using fluid under pressure
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S425/00—Plastic article or earthenware shaping or treating: apparatus
    • Y10S425/058—Undercut

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)

Abstract

Un miembro macho tiene un nucleo cilíndrico con una muñeca interna desplazada por presion hasta un extremo de la muñeca. La cavidad hembra y la muñeca forman una pared de fondeo de recipiente. Se inyecta un copolímero termoplástico de polietileno en el molde a una temperatura de aproximadamente 243.3 degree C, el molde tiene una temperatura superficial de aproximadamente 37.7-54.4 degree C y el material plástico tiene una temperatura de aproximadamente 54.4-71.1 degree C al momento de la eyeccion del recipiente del molde. Se forman costillas en el reborde de recipiente se estire en aproximadamente 6% cuando se remueve del nucleo. Los bordes externos de las costillas son coextensivos con la pared lateral del recipiente. Se forma un labio de enganchamiento de tapa en el borde de reborde de recipiente. El proceso tiene un tiempo de ciclo preferido de 14 segundos y emplea un nucleo sin corriente. La superficie de moldeo se mantiene a la temperatura deseada por medio de un circuito de agua de enfriamiento en el molde.
MXPA/A/1997/009227A 1996-12-05 1997-11-28 Metodo para moldear un recipiente termoplastico MXPA97009227A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/760,488 US5824256A (en) 1996-12-05 1996-12-05 Method of molding a thermoplastic container
US08760488 1996-12-05

Publications (2)

Publication Number Publication Date
MX9709227A true MX9709227A (es) 1998-09-30
MXPA97009227A MXPA97009227A (es) 1998-11-16

Family

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Also Published As

Publication number Publication date
US5824256A (en) 1998-10-20
CU22989A3 (es) 2004-09-29

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Legal Events

Date Code Title Description
FG Grant or registration
MM Annulment or lapse due to non-payment of fees