GB1259303A - - Google Patents

Info

Publication number
GB1259303A
GB1259303A GB1259303DA GB1259303A GB 1259303 A GB1259303 A GB 1259303A GB 1259303D A GB1259303D A GB 1259303DA GB 1259303 A GB1259303 A GB 1259303A
Authority
GB
United Kingdom
Prior art keywords
apertures
copolymer
recesses
etchable
sheet
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
Other languages
English (en)
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 filed Critical
Publication of GB1259303A publication Critical patent/GB1259303A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/26—Perforating by non-mechanical means, e.g. by fluid jet

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
GB1259303D 1968-02-01 1969-01-23 Expired GB1259303A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US70236668A 1968-02-01 1968-02-01

Publications (1)

Publication Number Publication Date
GB1259303A true GB1259303A (zh) 1972-01-05

Family

ID=24820935

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1259303D Expired GB1259303A (zh) 1968-02-01 1969-01-23

Country Status (7)

Country Link
JP (1) JPS523987B1 (zh)
DE (1) DE1904701A1 (zh)
ES (2) ES362797A1 (zh)
FR (1) FR2001102A1 (zh)
GB (1) GB1259303A (zh)
NL (1) NL6901467A (zh)
SE (1) SE364214B (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9708453B2 (en) 2013-03-27 2017-07-18 Nitto Denko Corporation Method for producing porous polymer film and porous polymer film

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5676206A (en) * 1979-11-26 1981-06-23 Sekisui Chem Co Ltd Filter
WO2013145742A1 (ja) 2012-03-30 2013-10-03 日東電工株式会社 多孔性高分子フィルムの製造方法および多孔性高分子フィルム
JP2014189654A (ja) 2013-03-27 2014-10-06 Nitto Denko Corp 多孔性高分子フィルムの製造方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9708453B2 (en) 2013-03-27 2017-07-18 Nitto Denko Corporation Method for producing porous polymer film and porous polymer film

Also Published As

Publication number Publication date
JPS523987B1 (zh) 1977-01-31
DE1904701A1 (de) 1969-09-11
ES380690A1 (es) 1972-10-16
SE364214B (zh) 1974-02-18
FR2001102A1 (zh) 1969-09-26
ES362797A1 (es) 1971-02-16
NL6901467A (zh) 1969-08-05

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Legal Events

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