JPS5216565A - Method of making joint of synthetic resin material and mold for injection molding - Google Patents

Method of making joint of synthetic resin material and mold for injection molding

Info

Publication number
JPS5216565A
JPS5216565A JP51089287A JP8928776A JPS5216565A JP S5216565 A JPS5216565 A JP S5216565A JP 51089287 A JP51089287 A JP 51089287A JP 8928776 A JP8928776 A JP 8928776A JP S5216565 A JPS5216565 A JP S5216565A
Authority
JP
Japan
Prior art keywords
mold
injection molding
synthetic resin
resin material
making joint
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.)
Pending
Application number
JP51089287A
Other languages
English (en)
Inventor
Anton Anger
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.)
ANTOON ANGERU MASHIINENBAU GmbH
ANGER ANTON MASCHBAU
Original Assignee
ANTOON ANGERU MASHIINENBAU GmbH
ANGER ANTON MASCHBAU
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 AT587875A external-priority patent/AT356369B/de
Priority claimed from AT0777075A external-priority patent/AT363248B/de
Application filed by ANTOON ANGERU MASHIINENBAU GmbH, ANGER ANTON MASCHBAU filed Critical ANTOON ANGERU MASHIINENBAU GmbH
Publication of JPS5216565A publication Critical patent/JPS5216565A/ja
Pending 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
    • B29C37/0014—Discharging moulded articles from the mould by flexibly or permanently deforming 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
    • B29C45/26—Moulds
    • B29C45/261—Moulds having tubular mould cavities
    • B29C45/2612—Moulds having tubular mould cavities for manufacturing tubular articles with an annular groove
    • 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
    • B29C57/00—Shaping of tube ends, e.g. flanging, belling or closing; Apparatus therefor, e.g. collapsible mandrels
    • B29C57/02—Belling or enlarging, e.g. combined with forming a groove
    • 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
    • B29K2027/06—PVC, i.e. polyvinylchloride
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L47/00—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics
    • F16L47/06—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics with sleeve or socket formed by or in the pipe end
    • F16L47/08—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics with sleeve or socket formed by or in the pipe end with sealing rings arranged between the outer surface of one pipe end and the inner surface of the sleeve or socket, the sealing rings being placed previously in the sleeve or socket
    • 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
    • Y10S425/218—Pipe machine: socket forming apparatus

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
JP51089287A 1975-07-29 1976-07-28 Method of making joint of synthetic resin material and mold for injection molding Pending JPS5216565A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT587875A AT356369B (de) 1975-07-29 1975-07-29 Spritzgussform zum herstellen von fittingen
AT0777075A AT363248B (de) 1975-10-10 1975-10-10 Spritzgussform zum herstellen von fittingen

Publications (1)

Publication Number Publication Date
JPS5216565A true JPS5216565A (en) 1977-02-07

Family

ID=25602598

Family Applications (2)

Application Number Title Priority Date Filing Date
JP51089287A Pending JPS5216565A (en) 1975-07-29 1976-07-28 Method of making joint of synthetic resin material and mold for injection molding
JP1979086654U Expired JPS5724491Y2 (ja) 1975-07-29 1979-06-26

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP1979086654U Expired JPS5724491Y2 (ja) 1975-07-29 1979-06-26

Country Status (29)

Country Link
US (3) US4127632A (ja)
JP (2) JPS5216565A (ja)
AR (1) AR207088A1 (ja)
AU (1) AU502491B2 (ja)
BE (1) BE844627A (ja)
BR (1) BR7604864A (ja)
CH (1) CH600226A5 (ja)
CS (1) CS207362B2 (ja)
DD (1) DD125332A5 (ja)
DE (2) DE2633050B2 (ja)
DK (1) DK154997C (ja)
ES (1) ES450278A0 (ja)
FI (1) FI58277C (ja)
FR (1) FR2319475A1 (ja)
GB (1) GB1496854A (ja)
HU (1) HU175694B (ja)
IE (1) IE43714B1 (ja)
IL (1) IL49945A (ja)
IT (1) IT1064698B (ja)
MX (1) MX143406A (ja)
NL (1) NL168752C (ja)
NO (1) NO151493C (ja)
PL (1) PL104966B1 (ja)
PT (1) PT65417B (ja)
RO (1) RO84886B (ja)
SE (1) SE405568B (ja)
SU (1) SU708991A3 (ja)
TR (1) TR19165A (ja)
YU (1) YU186676A (ja)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56126115A (en) * 1980-03-07 1981-10-02 Kubota Ltd Secondary forming method of diametrically expanded socket having annular groove
JPS56126114A (en) * 1980-03-07 1981-10-02 Kubota Ltd Forming method of socket for thermoplastic synthetic resin pipe
JPS56126116A (en) * 1980-03-07 1981-10-02 Kubota Ltd Forming method of socket of thermoplastic synthetic resin pipe
JPS56144125A (en) * 1980-04-11 1981-11-10 Kubota Ltd Molding method of expanded socket having packing retaining protuberance
JPS56146714A (en) * 1980-04-17 1981-11-14 Kubota Ltd Molding method for accepting mouth of thermoplastic synthetic resin tube
JPS56150511A (en) * 1980-04-23 1981-11-21 Kubota Ltd Secondary molding method for forming expanded socket having annular groove
JPS58179629A (ja) * 1982-04-13 1983-10-20 Kubota Ltd プラスチツク製管継手の製造方法

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH643047A5 (de) * 1978-10-18 1984-05-15 Battenfeld Maschfab Verfahren zum herstellen von fittings fuer rohrverbindungen sowie werkzeug zur ausuebung des verfahrens und nach diesem verfahren hergestelltes fitting.
EP0013040A1 (fr) * 1978-12-12 1980-07-09 Polva-Nederland B.V. Procédé pour la réalisation de pièces de couplage en matière thermoplastique et dispositif pour sa réalisation
EP0012480A1 (fr) * 1978-12-12 1980-06-25 Polva-Nederland B.V. Procédé et dispositif pour le formage de pièces de raccord en matière thermoplastique
FR2464133A1 (fr) * 1979-08-29 1981-03-06 Chiminter Procede de fabrication d'un support de produit desodorisant et desinfectant pour cuvettes de toilettes et dispositif correspondant
AT362925B (de) * 1979-10-11 1981-06-25 Anger Anton Maschbau Spritzgussform zum herstellen von fittingen und rohrverbindern aus thermoplastischem kunststoff
DE3065652D1 (en) * 1980-03-25 1983-12-29 Hawo B V Method and apparatus for manufacturing a tubular body provided with a sealing ring
US4268237A (en) * 1980-03-26 1981-05-19 Hawo B.V. Apparatus for manufacturing a tubular body provided with a sealing ring
DE8100532U1 (de) * 1981-01-13 1982-05-19 KAHA Kunststoffwerk Kurt Hädrich GmbH & Co KG, 6300 Giessen Behaelter aus Kunststoff
NL8103011A (nl) * 1981-06-22 1983-01-17 Dirk Van Manen Werkwijze voor het door spuitgieten vervaardigen van kunststofhulpstukken met koppelingsmof voor buizen, alsmede inrichting voor het toepassen van de werkwijze.
CA1322284C (en) * 1988-03-14 1993-09-21 Robert K. Mitchell Molded camshaft assembly
DE3902885A1 (de) * 1989-02-01 1990-08-02 Riesselmann & Sohn Pflanzentopf-herstellungsverfahren und nach diesem verfahren erzeugte produkte
US5021109A (en) * 1989-12-29 1991-06-04 Xerox Corporation Method of preparing a multilayered belt
US5203943A (en) * 1990-12-13 1993-04-20 Minnesota Mining And Manufacturing Company Method of forming internal strictures in a tubular member and a bonding connection with an inserted tube
US5156864A (en) * 1991-02-06 1992-10-20 Guo Muh Juh Plastics threaded fitting molding mechanism
US5234130A (en) * 1991-03-22 1993-08-10 Manhattan Products, Inc. Dispensing package for a pourable material having a bottle, a pour-back spout and a closure
US5340304A (en) * 1991-04-26 1994-08-23 Nissei Asb Machine Co., Ltd. Mold for injection molding preform with undercut lip
GB9112617D0 (en) * 1991-06-12 1991-07-31 Guest John D Improvements in or relating to tube coupling bodies
AT398725B (de) * 1992-10-21 1995-01-25 Schnallinger Helfried Ing Verfahren zum herstellen von endmuffen an kunststoffrohren
US5913446A (en) * 1994-06-21 1999-06-22 Von Holdt, Sr.; John W. Plastic bucket and lid
US20040195252A1 (en) * 1994-06-21 2004-10-07 Von Holdt John W. Plastic bucket and lid
US20020063134A1 (en) * 1994-06-21 2002-05-30 Von Holdt John W. Plastic bucket and lid
DE19506645C2 (de) * 1995-02-25 1998-07-16 Coronet Kunststoffwerk Gmbh Verfahren zur Herstellung eines Kleiderbügels
US5803926A (en) * 1995-06-07 1998-09-08 Pristech, Inc. Double handled vacuum extractor
US5935136A (en) 1997-05-09 1999-08-10 Pristech, Inc. Obstetrical vacuum extractor cup with soft molded lip
US5957931A (en) * 1998-05-11 1999-09-28 Prism Enterprises, Inc. Obstetrical vacuum extractor cup
US6361542B1 (en) 2000-05-17 2002-03-26 Prism Enterprises, Inc. Obstetrical vacuum extractor cup with force measuring capabilities
JP2009000840A (ja) * 2007-06-19 2009-01-08 Showa Corp 流体機器の継手の製造方法
CN102059782B (zh) * 2009-11-18 2013-04-17 江苏华生塑业有限公司 扩口管件的扩口脱模机构
CA2984228C (en) 2010-10-01 2020-06-30 Friendship Products Llc Modular interlocking containers with enhanced lateral connectivity features
US9290300B2 (en) 2012-02-21 2016-03-22 Friendship Products Llc Modular interlocking containers

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4841934A (ja) * 1971-10-02 1973-06-19

Family Cites Families (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK53458C (da) 1934-03-21 1937-08-16 Denes Von Mihaly Anordning ved Lydgengiveapparater, i hvilke der anvendes paa en Filmsstrimmel ved Siden af hinanden liggende, fotografiske Tonestriber.
US2483093A (en) * 1946-05-06 1949-09-27 Wilfred G Harvey Stripping and knockout mechanism for molding dies
DE834751C (de) 1949-04-14 1952-03-24 Alfred Much Hohlraumloser Spreizkern zur Herstellung von Hohlkoerpern aus haertbarem Kunstharz
DE834140C (de) * 1949-12-02 1952-03-17 Emil Schuster Verfahren und Vorrichtung zur Herstellung von Press- oder Spritzteilen mit Hinterschneidungen
DE1130153B (de) * 1955-11-18 1962-05-24 Neosid Pemetzrieder G M B H Verfahren zur Herstellung von Spritzgussteilen aus thermoplastischem Kunststoff
US3020594A (en) * 1958-07-11 1962-02-13 American Can Co Injection molding
NL249952A (ja) * 1959-03-31
DE1805446U (de) 1959-05-16 1960-02-04 Agfa Ag Kinokamera, insbesondere mit selbsttaetiger belichtungsregelvorrichtung.
DE1804164U (de) 1959-11-20 1960-01-14 Wilhelm Dreyer Fa Vorrichtung zur durchflussregelung stroemender medien.
US3064310A (en) * 1960-04-20 1962-11-20 Drackett Co Method and apparatus for making plastic articles
US3183292A (en) * 1962-05-25 1965-05-11 Dvoracek Frank Plastic molding apparatus and method
US3325576A (en) * 1964-02-03 1967-06-13 Kessler Milton Method of making unitary plastic sealing cap
US3402713A (en) * 1965-05-13 1968-09-24 Becton Dickinson Co Hypodermic syringe with improved retaining means
CH455252A (de) 1967-04-21 1968-06-28 Fischer Ag Georg Spritzgussform zur Herstellung von Kunststoffteilen mit hinterschnittenem Innen-Profil
DE1967427U (de) 1967-05-29 1967-08-31 Wilhelm Eichhorn Spritzwerkzeug mit mehrteiligem kern.
US3474999A (en) 1967-06-28 1969-10-28 United States Pipe Foundry Apparatus for forming hollow plastic articles
DE1804164A1 (de) * 1967-10-20 1969-05-14 Camillo Krejci Verfahren zur Herstellung von einteiligen Waelzlagerkaefigen und Kern hierfuer
GB1175503A (en) * 1968-02-14 1969-12-23 Bartol Plastics Improvements in or relating to Pipe Couplings
DE1805446C3 (de) * 1968-07-18 1974-09-12 Kunststoffwerk Gebr. Anger Gmbh & Co Muenchen, 8000 Muenchen Verfahren zum Herstellen eines aus einem thermoplastischen Kunststoff bestehenden rohrförmigen Körpers
US3679339A (en) * 1970-11-27 1972-07-25 Eastman Kodak Co Mold having a slide plate for forming articles having a projection or recess
AT318904B (de) * 1971-06-03 1974-11-25 Mekusta Dr Ferdinand Pauler Einrichtung zum Ausstoßen von Formkörpern
US3749543A (en) * 1971-06-21 1973-07-31 Asc Ind Inc Apparatus for forming belled pipe couplings
US3776676A (en) * 1972-06-26 1973-12-04 M Kessler Insulated runner system for plastic cap molds
DE2234774C3 (de) 1972-07-14 1978-03-23 Thyssen Plastik Anger Kg, 8000 Muenchen Spritzgießform
DE2326681A1 (de) 1973-05-25 1974-12-12 Anger Kunststoff Spritzgussverfahren und vorrichtung zur durchfuehrung desselben
US4005101A (en) * 1973-04-09 1977-01-25 Albert Obrist Ag Method for molding plastic covers for containers
DE2336789C3 (de) * 1973-07-19 1979-02-08 Stapla Hans-Dieter Golde Gmbh & Co Kg, 6365 Rosbach Verfahren und Werkzeug zur Entformung eines Kerns aus einem hinterschnittenen Kanalprofil aus Kunststoff
JPS5314386Y2 (ja) * 1973-12-21 1978-04-17
FR2261937B1 (ja) * 1974-02-21 1979-05-25 Captocap Ltd
US3904165A (en) * 1974-04-29 1975-09-09 Int Tools Molding apparatus for safety caps
JPS58363B2 (ja) * 1974-12-19 1983-01-06 積水化学工業株式会社 カンツギテノ セイゾウソウチ
US4113829A (en) * 1976-02-09 1978-09-12 Philips Industries Inc. Method of forming a bell end on thermoplastic pipe

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4841934A (ja) * 1971-10-02 1973-06-19

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56126115A (en) * 1980-03-07 1981-10-02 Kubota Ltd Secondary forming method of diametrically expanded socket having annular groove
JPS56126114A (en) * 1980-03-07 1981-10-02 Kubota Ltd Forming method of socket for thermoplastic synthetic resin pipe
JPS56126116A (en) * 1980-03-07 1981-10-02 Kubota Ltd Forming method of socket of thermoplastic synthetic resin pipe
JPS6334812B2 (ja) * 1980-03-07 1988-07-12 Kubota Ltd
JPS56144125A (en) * 1980-04-11 1981-11-10 Kubota Ltd Molding method of expanded socket having packing retaining protuberance
JPS56146714A (en) * 1980-04-17 1981-11-14 Kubota Ltd Molding method for accepting mouth of thermoplastic synthetic resin tube
JPS56150511A (en) * 1980-04-23 1981-11-21 Kubota Ltd Secondary molding method for forming expanded socket having annular groove
JPS58179629A (ja) * 1982-04-13 1983-10-20 Kubota Ltd プラスチツク製管継手の製造方法
JPS6260968B2 (ja) * 1982-04-13 1987-12-18 Kubota Ltd

Also Published As

Publication number Publication date
RO84886B (ro) 1984-09-30
NL168752C (nl) 1988-10-17
MX143406A (es) 1981-05-06
RO84886A (ro) 1984-08-17
US4521178A (en) 1985-06-04
HU175694B (hu) 1980-10-28
AR207088A1 (es) 1976-09-09
PL104966B1 (pl) 1979-09-29
NL7607071A (nl) 1976-12-31
NO151493C (no) 1985-04-24
AU1601676A (en) 1978-02-23
BR7604864A (pt) 1977-08-09
DK154997C (da) 1989-06-05
NL168752B (nl) 1981-12-16
AU502491B2 (en) 1979-07-26
FI58277C (fi) 1981-01-12
IL49945A (en) 1980-05-30
SE405568B (sv) 1978-12-18
PT65417B (de) 1978-02-08
YU186676A (en) 1984-02-29
DE2633050A1 (de) 1977-02-10
FR2319475B1 (ja) 1981-03-27
JPS5724491Y2 (ja) 1982-05-27
IL49945A0 (en) 1976-08-31
SE7608536L (sv) 1977-01-30
FI58277B (fi) 1980-09-30
IE43714L (en) 1977-01-29
CH600226A5 (ja) 1978-06-15
DE2659935C2 (de) 1982-10-07
DE2633050B2 (de) 1978-02-09
ES450278A1 (es) 1977-11-16
US4127632A (en) 1978-11-28
ES450278A0 (es) 1977-11-16
FR2319475A1 (fr) 1977-02-25
PT65417A (de) 1976-08-01
GB1496854A (en) 1978-01-05
DK339576A (da) 1977-01-30
DK154997B (da) 1989-01-23
USRE31404E (en) 1983-10-04
IE43714B1 (en) 1981-05-06
FI761994A (ja) 1977-01-30
SU708991A3 (ru) 1980-01-05
BE844627A (fr) 1977-01-28
DD125332A5 (ja) 1977-04-13
TR19165A (tr) 1978-06-12
IT1064698B (it) 1985-02-25
JPS55588U (ja) 1980-01-05
NO151493B (no) 1985-01-07
CS207362B2 (en) 1981-07-31
NO762537L (ja) 1977-02-01

Similar Documents

Publication Publication Date Title
JPS5216565A (en) Method of making joint of synthetic resin material and mold for injection molding
JPS5233933A (en) Compositions for antistatic thermoplastic molding and antistatic moldings and method of manufacture
JPS5256155A (en) Method of molding synthetic resin moldings having inserts
JPS5311954A (en) Method of injection molding and mold being used for the method
JPS5226567A (en) Method of injection molding synthetic resin mattress
JPS51131565A (en) Method of molding synthetic resin article
JPS525863A (en) Method of injection molding thermoplastic resin and mold for the injection molding
JPS51142054A (en) Compositions for plastic molding and method of manufacture
JPS52853A (en) Boss for synthetic resin molded article and method of molding same
JPS5271558A (en) Method of molding synthetic resin in rotary mold
JPS5215564A (en) Mold for injection molding of foamed synthetic resin
JPS51137755A (en) Method of plasticizing plastic material
JPS51148751A (en) Method of molding pieces of polypropylene resin
JPS51119760A (en) Method of molding thermoplastic material
JPS5337762A (en) Process and apparatus for continuous production of thermoplastic resin composition for molding
JPS5256185A (en) Method of making moldable thermoplastic material or resin moldings
JPS5418864A (en) Method of molding synthetic resin moldings
JPS51131567A (en) Method of compressing and then molding injection molded article
JPS5272786A (en) Method of making thermoplastic molding material or risin moldings
JPS5210357A (en) Method of sequentially feeding and molding resin molded product
JPS5266569A (en) Method of producing modified thermoplastic resin molded article
JPS5224263A (en) Method of molding synthetic resin product
JPS5212263A (en) Method of making molds for synthetic resin
JPS51128355A (en) Hard synthetic resin container and method of molding same
JPS5211257A (en) Method of producing modified long thermoplastic resin material