GB1378319A - Moulding of plastics articles - Google Patents

Moulding of plastics articles

Info

Publication number
GB1378319A
GB1378319A GB939472A GB939472A GB1378319A GB 1378319 A GB1378319 A GB 1378319A GB 939472 A GB939472 A GB 939472A GB 939472 A GB939472 A GB 939472A GB 1378319 A GB1378319 A GB 1378319A
Authority
GB
United Kingdom
Prior art keywords
temperature
briquette
powder
polymers
forging
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
GB939472A
Other languages
English (en)
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.)
Dow Chemical Co
Original Assignee
Dow Chemical Co
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 Dow Chemical Co filed Critical Dow Chemical Co
Publication of GB1378319A publication Critical patent/GB1378319A/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
    • 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
    • B29C51/02—Combined thermoforming and manufacture of the preform
    • 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
    • B29C43/16—Forging
    • 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
    • B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B29C67/20—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for porous or cellular articles, e.g. of foam plastics, coarse-pored
    • B29C67/205—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for porous or cellular articles, e.g. of foam plastics, coarse-pored comprising surface fusion, and bonding of particles to form voids, e.g. sintering
    • 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
    • B29C2791/001—Shaping in several steps
    • 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
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/04—Polymers of ethylene
    • B29K2023/06—PE, i.e. polyethylene
    • B29K2023/0658—PE, i.e. polyethylene characterised by its molecular weight
    • B29K2023/0683—UHMWPE, i.e. ultra high molecular weight polyethylene
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Molding Of Porous Articles (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
GB939472A 1971-03-01 1972-02-29 Moulding of plastics articles Expired GB1378319A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11966971A 1971-03-01 1971-03-01

Publications (1)

Publication Number Publication Date
GB1378319A true GB1378319A (en) 1974-12-27

Family

ID=22385652

Family Applications (1)

Application Number Title Priority Date Filing Date
GB939472A Expired GB1378319A (en) 1971-03-01 1972-02-29 Moulding of plastics articles

Country Status (8)

Country Link
JP (1) JPS552335B1 (enrdf_load_stackoverflow)
BE (1) BE780018A (enrdf_load_stackoverflow)
CA (1) CA989127A (enrdf_load_stackoverflow)
DE (1) DE2209608C2 (enrdf_load_stackoverflow)
FR (1) FR2128346B1 (enrdf_load_stackoverflow)
GB (1) GB1378319A (enrdf_load_stackoverflow)
IT (1) IT948784B (enrdf_load_stackoverflow)
NL (1) NL167895C (enrdf_load_stackoverflow)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0027914A1 (en) * 1979-10-25 1981-05-06 Ball Corporation An oriented Plastics preform for making an open mouth container
GB2191730A (en) * 1986-06-18 1987-12-23 Wheeling Stamping Co A method of forming the head of a thermoplastic container
US4898708A (en) * 1986-05-02 1990-02-06 Wheeling Stamping Company Method for shaping closed bottom of tubular container
EP1377401A1 (en) 2000-07-25 2004-01-07 CK Management AB UB A method of producing a metal body by coalescence and the metal body produced
EP1115569A4 (en) * 1998-08-06 2007-08-08 Sig Combibloc Inc CONTAINERS MANUFACTURED WITH LAMINATED STRUCTURES COMPRISING A POLYMERIC FOAM LAYER
CN107326808A (zh) * 2017-07-14 2017-11-07 西申（上海）新材料科技有限公司 一种桥梁支座用等压烧结机抗压感应模具
CN107403668A (zh) * 2017-08-04 2017-11-28 镇江春环密封件集团有限公司 一种聚四氟乙烯薄膜成型模具

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61100422U (enrdf_load_stackoverflow) * 1984-12-07 1986-06-26
DE19542717C1 (de) * 1995-11-16 1997-03-20 Bernd Friemuth Verfahren und Vorrichtung zur Herstellung von gewölbten Schalen, insbesondere Verkaufsschalen, aus Polystyrol-Schaumstoff

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL99897C (enrdf_load_stackoverflow) * 1956-06-21
NL107060C (enrdf_load_stackoverflow) * 1957-06-21
NL111823C (enrdf_load_stackoverflow) * 1957-11-08
DE1704292A1 (de) * 1966-02-03 1971-05-06 Shell Int Research Verfahren zum Ausformen von Gegenstaenden aus thermoplastischen Kunststoffen
US3488747A (en) * 1967-02-13 1970-01-06 Dow Chemical Co Impact rotational molding
DE1704144A1 (de) * 1967-07-14 1971-05-06 Kabel Metallwerke Ghh Verfahren und Vorrichtung zum Herstellen von Formkoerpern aus Polyamiden

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0027914A1 (en) * 1979-10-25 1981-05-06 Ball Corporation An oriented Plastics preform for making an open mouth container
US4898708A (en) * 1986-05-02 1990-02-06 Wheeling Stamping Company Method for shaping closed bottom of tubular container
GB2191730A (en) * 1986-06-18 1987-12-23 Wheeling Stamping Co A method of forming the head of a thermoplastic container
GB2191730B (en) * 1986-06-18 1989-12-13 Wheeling Stamping Co Method of forming thermoplastic headed tubular containers
EP1115569A4 (en) * 1998-08-06 2007-08-08 Sig Combibloc Inc CONTAINERS MANUFACTURED WITH LAMINATED STRUCTURES COMPRISING A POLYMERIC FOAM LAYER
EP1377401A1 (en) 2000-07-25 2004-01-07 CK Management AB UB A method of producing a metal body by coalescence and the metal body produced
EP1385660A1 (en) 2000-07-25 2004-02-04 CK Management AB UB A method of producing a multilayer body by coalescence and the multilayer body produced
EP1399599A1 (en) 2000-07-25 2004-03-24 CK Management AB UB A method of producing a ceramic body by coalescence and the ceramic body produced
EP1417057A1 (en) 2000-07-25 2004-05-12 CK Management AB UB A method of producing a composite body by coalescence and the composite body produced
EP1417058A1 (en) 2000-07-25 2004-05-12 CK Management AB UB A method of producing a polymer body by coalescence and the polymer body produced
CN107326808A (zh) * 2017-07-14 2017-11-07 西申（上海）新材料科技有限公司 一种桥梁支座用等压烧结机抗压感应模具
CN107403668A (zh) * 2017-08-04 2017-11-28 镇江春环密封件集团有限公司 一种聚四氟乙烯薄膜成型模具

Also Published As

Publication number Publication date
DE2209608A1 (de) 1972-09-21
FR2128346A1 (enrdf_load_stackoverflow) 1972-10-20
CA989127A (en) 1976-05-18
JPS552335B1 (enrdf_load_stackoverflow) 1980-01-19
NL167895B (nl) 1981-09-16
DE2209608C2 (de) 1982-11-04
BE780018A (fr) 1972-08-29
NL167895C (nl) 1982-02-16
FR2128346B1 (enrdf_load_stackoverflow) 1975-10-24
IT948784B (it) 1973-06-11
NL7202727A (enrdf_load_stackoverflow) 1972-09-05

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Legal Events

Date Code Title Description
PS Patent sealed
PE20 Patent expired after termination of 20 years