GB1428492A - Apparauts and process for manufacturing polyvinyl acetal porous material - Google Patents

Apparauts and process for manufacturing polyvinyl acetal porous material

Info

Publication number
GB1428492A
GB1428492A GB2071173A GB2071173A GB1428492A GB 1428492 A GB1428492 A GB 1428492A GB 2071173 A GB2071173 A GB 2071173A GB 2071173 A GB2071173 A GB 2071173A GB 1428492 A GB1428492 A GB 1428492A
Authority
GB
United Kingdom
Prior art keywords
trough
reaction
electrodes
polyvinyl acetal
aftertreating
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
GB2071173A
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.)
Kanebo Ltd
Original Assignee
Kanebo 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 Kanebo Ltd filed Critical Kanebo Ltd
Publication of GB1428492A publication Critical patent/GB1428492A/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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Molding Of Porous Articles (AREA)
GB2071173A 1972-06-17 1973-05-01 Apparauts and process for manufacturing polyvinyl acetal porous material Expired GB1428492A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6075372A JPS5439866B2 (https=) 1972-06-17 1972-06-17

Publications (1)

Publication Number Publication Date
GB1428492A true GB1428492A (en) 1976-03-17

Family

ID=13151331

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2071173A Expired GB1428492A (en) 1972-06-17 1973-05-01 Apparauts and process for manufacturing polyvinyl acetal porous material

Country Status (6)

Country Link
US (1) US3838957A (https=)
JP (1) JPS5439866B2 (https=)
FR (1) FR2189194B1 (https=)
GB (1) GB1428492A (https=)
IT (1) IT987467B (https=)
SE (1) SE399840B (https=)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE9000650L (sv) * 1989-02-28 1990-08-29 Asahi Optical Co Ltd Separation av celler eller virus
JPH02263838A (ja) * 1989-04-03 1990-10-26 Sanwa Kako Kk ポリビニルアセタール系スポンジの製造方法
CZ292457B6 (cs) * 1994-07-21 2003-09-17 Teich Aktiengesellschaft Vinylalkoholové kopolymery, ve vodě rozpustné filmy obsahující tyto vinylalkoholové kopolymery, jejich použití jako balicí materiál a způsob jejich výroby
AT405287B (de) * 1995-05-11 1999-06-25 Teich Ag Verwendung von weichmachern für die thermoplastifizierung von stärke
US6312244B1 (en) * 1998-04-16 2001-11-06 Sapsa Bedding Spa Plant for manufacture of foam products
IT1319522B1 (it) * 2000-12-12 2003-10-20 Oms Impianti Spa Apparecchiatura per la produzione in continuo di pannelli in materiaplastica espansa con inserti sui bordi longitudinali.
US20080006962A1 (en) * 2006-07-07 2008-01-10 Ya-Ming Yau Method for manufacturing environmental protection sponge

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2395920A (en) * 1942-04-20 1946-03-05 Grotenhuis Theodore A Te Method and apparatus for producing porous articles
US3048888A (en) * 1960-02-05 1962-08-14 Nylonge Corp Apparatus for the production of artificial sponge
US3276072A (en) * 1963-09-11 1966-10-04 Nylonge Corp Apparatus for forming regenerated cellulose sponge
US3382303A (en) * 1966-05-03 1968-05-07 Fred B. Stieg Process and apparatus for making regenerated cellulose sponges
US3497910A (en) * 1966-08-13 1970-03-03 Toray Industries Apparatus for the drawing of synthetic fiber tows

Also Published As

Publication number Publication date
JPS4920271A (https=) 1974-02-22
DE2323968B2 (de) 1976-09-30
AU5501773A (en) 1974-10-31
JPS5439866B2 (https=) 1979-11-30
SE399840B (sv) 1978-03-06
DE2323968A1 (de) 1974-01-31
US3838957A (en) 1974-10-01
FR2189194B1 (https=) 1976-06-11
IT987467B (it) 1975-02-20
FR2189194A1 (https=) 1974-01-25

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee