GB1417645A - Variable volume and controlled density forming mechanism for compression moulding presses - Google Patents

Variable volume and controlled density forming mechanism for compression moulding presses

Info

Publication number
GB1417645A
GB1417645A GB443273A GB443273A GB1417645A GB 1417645 A GB1417645 A GB 1417645A GB 443273 A GB443273 A GB 443273A GB 443273 A GB443273 A GB 443273A GB 1417645 A GB1417645 A GB 1417645A
Authority
GB
United Kingdom
Prior art keywords
cup
preforms
cups
press
compression moulding
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
GB443273A
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.)
Pennwalt Corp
Original Assignee
Pennwalt Corp
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 Pennwalt Corp filed Critical Pennwalt Corp
Publication of GB1417645A publication Critical patent/GB1417645A/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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32—Component parts, details or accessories; Auxiliary operations
    • B29C43/34—Feeding the material to the mould or the compression means
    • 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
    • B29C43/32—Component parts, details or accessories; Auxiliary operations
    • B29C43/34—Feeding the material to the mould or the compression means
    • B29C2043/3433—Feeding the material to the mould or the compression means using dispensing heads, e.g. extruders, placed over or apart from the moulds
    • 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
    • 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
    • B29K2101/00—Use of unspecified macromolecular compounds as moulding material
    • B29K2101/10—Thermosetting resins
    • 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
    • B29L2001/00—Articles provided with screw threads

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
GB443273A 1972-03-15 1973-01-29 Variable volume and controlled density forming mechanism for compression moulding presses Expired GB1417645A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US23482072A 1972-03-15 1972-03-15

Publications (1)

Publication Number Publication Date
GB1417645A true GB1417645A (en) 1975-12-10

Family

ID=22882965

Family Applications (1)

Application Number Title Priority Date Filing Date
GB443273A Expired GB1417645A (en) 1972-03-15 1973-01-29 Variable volume and controlled density forming mechanism for compression moulding presses

Country Status (5)

Country Link
JP (1) JPS493958A (enrdf_load_stackoverflow)
DE (1) DE2312955A1 (enrdf_load_stackoverflow)
FR (1) FR2175768B3 (enrdf_load_stackoverflow)
GB (1) GB1417645A (enrdf_load_stackoverflow)
IT (1) IT977056B (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112643318A (zh) * 2020-09-21 2021-04-13 中山市哈工朗德智能科技有限公司 一种新型螺杆快拆装置
CN116442453A (zh) * 2023-04-25 2023-07-18 徐州鑫启航塑业有限公司 一种pvc塑料管热压装置

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS577002Y2 (enrdf_load_stackoverflow) * 1977-08-08 1982-02-09
US11518074B2 (en) 2018-08-03 2022-12-06 Foboha (German) Gmbh Device and method for injection molding

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112643318A (zh) * 2020-09-21 2021-04-13 中山市哈工朗德智能科技有限公司 一种新型螺杆快拆装置
CN116442453A (zh) * 2023-04-25 2023-07-18 徐州鑫启航塑业有限公司 一种pvc塑料管热压装置
CN116442453B (zh) * 2023-04-25 2023-12-01 徐州鑫启航塑业有限公司 一种pvc塑料管热压装置

Also Published As

Publication number Publication date
JPS493958A (enrdf_load_stackoverflow) 1974-01-14
DE2312955A1 (de) 1973-09-27
IT977056B (it) 1974-09-10
FR2175768A1 (enrdf_load_stackoverflow) 1973-10-26
FR2175768B3 (enrdf_load_stackoverflow) 1976-02-13

Similar Documents

Publication Publication Date Title
US4792424A (en) Method of injection molding PVC products
US3695575A (en) Injection molding machine having a plasticizing plunger
US4863369A (en) Injection molding with shooting pots
US4966545A (en) Staged shooting pot for injection molding
US3642404A (en) Injection-molding machine
US3355764A (en) Injection molding apparatus
US3052919A (en) Article-forming apparatus
US2404559A (en) Plastic slug forming and feeding mechanism
GB2214125A (en) Controlling injection moulding machine
US4342717A (en) Injection moulding method and apparatus with mould runner reservoir and shot extension
US4256689A (en) Injection moulding method and apparatus with mould runner reservoir and shot extension
GB1417645A (en) Variable volume and controlled density forming mechanism for compression moulding presses
GB1345548A (en) Method of and apparatus for the compression moulding of thermosetting plastics materials
GB1146370A (en) Molding apparatus
GB1060501A (en) Improvements in or relating to methods and devices for feeding and metering plastifiable material to plastics molding machines
US3741699A (en) Variable volume and controlled density forming mechanism for compression molding presses
US2781546A (en) Molding machine for resinous materials
GB1121661A (en) Improvements relating to the moulding of shoe soles
US2356081A (en) Injection method of molding thermosetting material
CN212242008U (zh) 一种新型双螺杆排气式注塑机
US3622045A (en) Apparatus for feeding and preheating plastic molding resin in particulate form
CN206623297U (zh) 一种高效率胶框注塑装置
US2916770A (en) Plastic injection molding machine
US4297036A (en) Extruder for preplasticization of thermoset molding materials
ES363281A1 (es) Prensa para moldear objetos de madera aglomerada.

Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee