GB552682A - Improvements in or relating to the shredding of cellulosic materials - Google Patents

Improvements in or relating to the shredding of cellulosic materials

Info

Publication number
GB552682A
GB552682A GB1328841A GB1328841A GB552682A GB 552682 A GB552682 A GB 552682A GB 1328841 A GB1328841 A GB 1328841A GB 1328841 A GB1328841 A GB 1328841A GB 552682 A GB552682 A GB 552682A
Authority
GB
United Kingdom
Prior art keywords
shredding
substituted cellulose
filaments
films
tubes
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
GB1328841A
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.)
British Cellophane Ltd
Original Assignee
British Cellophane 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 British Cellophane Ltd filed Critical British Cellophane Ltd
Priority to GB1328841A priority Critical patent/GB552682A/en
Publication of GB552682A publication Critical patent/GB552682A/en
Expired legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
    • D21D1/00—Methods of beating or refining; Beaters of the Hollander type
    • D21D1/20—Methods of refining
    • D21D1/32—Hammer mills

Abstract

552,682. Shredding cellulosic materials. BRITISH CELLOPHANE, Ltd., HEAVEN, G. S., and BUTLER, E. Oct. 15, 1941, No. 13288. [Class 59] [Also in Group IV] A process for shredding water sensitive non- fibrous cellulosic material consists in saturating such material with water to reduce its strength and thereafter tearing, grinding or cutting by mechanical means the saturated material to reduce it to the desired size. The material may be regenerated cellulose in the form of sheets, films, tubes, filaments or yarns produced from viscose or from cuprammonium cellulose solution, lowly substituted cellulose ester, lowly substituted cellulose ether or lowly substituted cellulose ether ester in the form of sheets, films tubes, filaments or yarns produced by casting or spinning from an aqueous cellulosic solution or dispersion. The shredding of the material may be effected by apparatus as shown in Fig. 1 comprising a vessel having a jacket 10, 11 through which cooling liquid may be circulated and rotary helical blades mounted on arms 19, 21 secured to trunnions 15, 17. The edges of the helical blades are serrated and co-operate with pyramidal teeth on the raised portion 13 of the bottom of the vessel. Specifications 283,109, [Class 2 (ii)], and 552,681, [Group IV], are referred to.
GB1328841A 1941-10-15 1941-10-15 Improvements in or relating to the shredding of cellulosic materials Expired GB552682A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1328841A GB552682A (en) 1941-10-15 1941-10-15 Improvements in or relating to the shredding of cellulosic materials

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1328841A GB552682A (en) 1941-10-15 1941-10-15 Improvements in or relating to the shredding of cellulosic materials

Publications (1)

Publication Number Publication Date
GB552682A true GB552682A (en) 1943-04-20

Family

ID=10020234

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1328841A Expired GB552682A (en) 1941-10-15 1941-10-15 Improvements in or relating to the shredding of cellulosic materials

Country Status (1)

Country Link
GB (1) GB552682A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3068527A (en) * 1958-12-09 1962-12-18 Du Pont Process for the production of a fibrid slurry
US4813454A (en) * 1987-08-17 1989-03-21 National Coupling Company, Inc. Undersea coupling with pressure balancing ports
US4858648A (en) * 1987-08-28 1989-08-22 Smith Iii Robert E Self-flushing hydraulic coupling
US4884584A (en) * 1987-08-14 1989-12-05 National Coupling Company, Inc. Internally preloaded metal-to-metal seal hydraulic connector
US4900071A (en) * 1988-08-24 1990-02-13 National Coupling Company, Inc. Undersea hydraulic coupling with dovetail seal
US6923476B2 (en) 2003-09-12 2005-08-02 National Coupling Company, Inc. Floating seal for undersea hydraulic coupling
US7021677B2 (en) 2003-10-20 2006-04-04 National Coupling Company, Inc. Seal retainer with metal seal members for undersea hydraulic coupling

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3068527A (en) * 1958-12-09 1962-12-18 Du Pont Process for the production of a fibrid slurry
US4884584A (en) * 1987-08-14 1989-12-05 National Coupling Company, Inc. Internally preloaded metal-to-metal seal hydraulic connector
US4813454A (en) * 1987-08-17 1989-03-21 National Coupling Company, Inc. Undersea coupling with pressure balancing ports
US4858648A (en) * 1987-08-28 1989-08-22 Smith Iii Robert E Self-flushing hydraulic coupling
US4900071A (en) * 1988-08-24 1990-02-13 National Coupling Company, Inc. Undersea hydraulic coupling with dovetail seal
US6923476B2 (en) 2003-09-12 2005-08-02 National Coupling Company, Inc. Floating seal for undersea hydraulic coupling
US7021677B2 (en) 2003-10-20 2006-04-04 National Coupling Company, Inc. Seal retainer with metal seal members for undersea hydraulic coupling

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