FR2378623A1 - Perfectionnements a la perforation des feuilles thermoplastiques - Google Patents

Perfectionnements a la perforation des feuilles thermoplastiques

Info

Publication number
FR2378623A1
FR2378623A1 FR7703090A FR7703090A FR2378623A1 FR 2378623 A1 FR2378623 A1 FR 2378623A1 FR 7703090 A FR7703090 A FR 7703090A FR 7703090 A FR7703090 A FR 7703090A FR 2378623 A1 FR2378623 A1 FR 2378623A1
Authority
FR
France
Prior art keywords
drum
thickened
shroud
thermoplastic film
borders
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
FR7703090A
Other languages
English (en)
French (fr)
Other versions
FR2378623B3 (enrdf_load_stackoverflow
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR7703090A priority Critical patent/FR2378623A1/fr
Publication of FR2378623A1 publication Critical patent/FR2378623A1/fr
Application granted granted Critical
Publication of FR2378623B3 publication Critical patent/FR2378623B3/fr
Granted 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F3/00—Severing by means other than cutting; Apparatus therefor
    • B26F3/06—Severing by using heat

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
FR7703090A 1977-01-31 1977-01-31 Perfectionnements a la perforation des feuilles thermoplastiques Granted FR2378623A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7703090A FR2378623A1 (fr) 1977-01-31 1977-01-31 Perfectionnements a la perforation des feuilles thermoplastiques

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7703090A FR2378623A1 (fr) 1977-01-31 1977-01-31 Perfectionnements a la perforation des feuilles thermoplastiques

Publications (2)

Publication Number Publication Date
FR2378623A1 true FR2378623A1 (fr) 1978-08-25
FR2378623B3 FR2378623B3 (enrdf_load_stackoverflow) 1979-10-05

Family

ID=9186275

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7703090A Granted FR2378623A1 (fr) 1977-01-31 1977-01-31 Perfectionnements a la perforation des feuilles thermoplastiques

Country Status (1)

Country Link
FR (1) FR2378623A1 (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5213742A (en) * 1990-09-11 1993-05-25 Vitaphore Corporation Method of producing pores of controlled geometry on a thermoplastic polymer
EP0620087A1 (fr) * 1993-02-17 1994-10-19 MACHINE-SERVICE NV, naamloze vennootschap Procédé pour la perforation de films et dispositif de mise en oeuvre de ce procédé

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5213742A (en) * 1990-09-11 1993-05-25 Vitaphore Corporation Method of producing pores of controlled geometry on a thermoplastic polymer
EP0620087A1 (fr) * 1993-02-17 1994-10-19 MACHINE-SERVICE NV, naamloze vennootschap Procédé pour la perforation de films et dispositif de mise en oeuvre de ce procédé
BE1006751A3 (nl) * 1993-02-17 1994-11-29 Mach Service N V Naamloze Venn Werkwijze voor het perforeren van folie en inrichting die deze werkwijze toepast.
US5449482A (en) * 1993-02-17 1995-09-12 Machine-Service Nv, Naamloze Vennootschap Method for perforating foil and device using this method

Also Published As

Publication number Publication date
FR2378623B3 (enrdf_load_stackoverflow) 1979-10-05

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Legal Events

Date Code Title Description
ST Notification of lapse