FR2152972B1 - - Google Patents

Info

Publication number
FR2152972B1
FR2152972B1 FR7232631A FR7232631A FR2152972B1 FR 2152972 B1 FR2152972 B1 FR 2152972B1 FR 7232631 A FR7232631 A FR 7232631A FR 7232631 A FR7232631 A FR 7232631A FR 2152972 B1 FR2152972 B1 FR 2152972B1
Authority
FR
France
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
FR7232631A
Other versions
FR2152972A1 (fr
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 Silicones Corp
Original Assignee
Dow Corning 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 Dow Corning Corp filed Critical Dow Corning Corp
Publication of FR2152972A1 publication Critical patent/FR2152972A1/fr
Application granted granted Critical
Publication of FR2152972B1 publication Critical patent/FR2152972B1/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
    • B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
    • B29B7/40—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft
    • B29B7/42—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft with screw or helix
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/58—Screws provided with seal ring elements, i.e. elements of generally circular and tapered shape for preventing the back flow of the melt

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
FR7232631A 1971-09-15 1972-09-14 Expired FR2152972B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US18059571A 1971-09-15 1971-09-15

Publications (2)

Publication Number Publication Date
FR2152972A1 FR2152972A1 (fr) 1973-04-27
FR2152972B1 true FR2152972B1 (fr) 1976-01-23

Family

ID=22661036

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7232631A Expired FR2152972B1 (fr) 1971-09-15 1972-09-14

Country Status (7)

Country Link
US (1) US3713627A (fr)
JP (1) JPS4862040A (fr)
BE (1) BE788823A (fr)
CA (1) CA958003A (fr)
FR (1) FR2152972B1 (fr)
GB (1) GB1365612A (fr)
NL (1) NL151022B (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1988001227A1 (fr) * 1986-08-19 1988-02-25 Alzner Bernard G Vis d'extrusion pour materiau plastique
US4964730A (en) * 1986-08-19 1990-10-23 Alzner Bernard G Plasticating extruder screw
GB9307417D0 (en) * 1993-04-08 1993-06-02 Castings Technology Int Mixing
CN107029943A (zh) * 2017-04-24 2017-08-11 苏州特瑞特机器人有限公司 双液螺杆点胶阀
PL235887B1 (pl) * 2018-10-24 2020-11-02 Lubelska Polt Układ uplastyczniający wytłaczarki
PL235886B1 (pl) * 2018-10-24 2020-11-02 Lubelska Polt Układ uplastyczniający

Also Published As

Publication number Publication date
CA958003A (en) 1974-11-19
US3713627A (en) 1973-01-30
NL151022B (nl) 1976-10-15
GB1365612A (en) 1974-09-04
BE788823A (fr) 1973-03-14
JPS4862040A (fr) 1973-08-30
DE2244965B2 (de) 1975-06-05
FR2152972A1 (fr) 1973-04-27
DE2244965A1 (de) 1973-03-29
NL7212521A (fr) 1973-03-19

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Legal Events

Date Code Title Description
ST Notification of lapse