GB2002247A - Mixers and rotors - Google Patents

Mixers and rotors

Info

Publication number
GB2002247A
GB2002247A GB7832874A GB7832874A GB2002247A GB 2002247 A GB2002247 A GB 2002247A GB 7832874 A GB7832874 A GB 7832874A GB 7832874 A GB7832874 A GB 7832874A GB 2002247 A GB2002247 A GB 2002247A
Authority
GB
United Kingdom
Prior art keywords
rotors
mixers
leading
chamber
section
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.)
Granted
Application number
GB7832874A
Other versions
GB2002247B (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.)
Farrel Bridge Ltd
Original Assignee
Farrel Bridge Ltd
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 Farrel Bridge Ltd filed Critical Farrel Bridge Ltd
Priority to GB7832874A priority Critical patent/GB2002247B/en
Publication of GB2002247A publication Critical patent/GB2002247A/en
Application granted granted Critical
Publication of GB2002247B publication Critical patent/GB2002247B/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
    • 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
    • B29B7/02—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
    • B29B7/06—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices
    • B29B7/10—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary
    • B29B7/18—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary with more than one shaft
    • B29B7/183—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary with more than one shaft having a casing closely surrounding the rotors, e.g. of Banbury type
    • B29B7/186—Rotors therefor
    • 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
    • B29B7/02—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
    • B29B7/06—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices
    • B29B7/10—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary
    • B29B7/18—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary with more than one shaft
    • B29B7/183—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary with more than one shaft having a casing closely surrounding the rotors, e.g. of Banbury type

Abstract

Internal mixers comprising a mixing chamber 12 having two interconnected portions 14 of circular cross section arranged so that, in cross section, the chamber approximates a figure 8, and two rotors, 36 and 38, one in each portion of the chamber, each comprising a plurality of blades 40 having a leading 42 and a trailing side 44, in which the leading sides have a sharp edge 48 facing in the direction of rotation at the outer extremity of the leading side are used, thereby reducing the incidence of damage to the mixers. The rotors may rotate at different speeds. <IMAGE>
GB7832874A 1977-08-11 1978-08-10 Mixers and rotors for use therein Expired GB2002247B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB7832874A GB2002247B (en) 1977-08-11 1978-08-10 Mixers and rotors for use therein

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB3367677 1977-08-11
GB7832874A GB2002247B (en) 1977-08-11 1978-08-10 Mixers and rotors for use therein

Publications (2)

Publication Number Publication Date
GB2002247A true GB2002247A (en) 1979-02-21
GB2002247B GB2002247B (en) 1982-02-17

Family

ID=26261968

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7832874A Expired GB2002247B (en) 1977-08-11 1978-08-10 Mixers and rotors for use therein

Country Status (1)

Country Link
GB (1) GB2002247B (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2473352A1 (en) * 1980-01-16 1981-07-17 Kobe Steel Ltd CONTINUOUS MIXER
EP0483727A1 (en) * 1990-10-31 1992-05-06 Sumitomo Heavy Industries, Ltd Horizontal-type biaxial kneader
WO1996035507A1 (en) * 1995-05-13 1996-11-14 Francis Shaw & Company (Manchester) Limited Internal mixers
GB2315229A (en) * 1995-05-13 1998-01-28 Francis Shaw & Company Internal mixers

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2473352A1 (en) * 1980-01-16 1981-07-17 Kobe Steel Ltd CONTINUOUS MIXER
EP0483727A1 (en) * 1990-10-31 1992-05-06 Sumitomo Heavy Industries, Ltd Horizontal-type biaxial kneader
US5230561A (en) * 1990-10-31 1993-07-27 Sumitomo Heavy Industrie's, Ltd. Horizontal-type biaxial kneader
WO1996035507A1 (en) * 1995-05-13 1996-11-14 Francis Shaw & Company (Manchester) Limited Internal mixers
GB2315229A (en) * 1995-05-13 1998-01-28 Francis Shaw & Company Internal mixers
GB2315229B (en) * 1995-05-13 1999-09-08 Francis Shaw & Company Internal mixers

Also Published As

Publication number Publication date
GB2002247B (en) 1982-02-17

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee