IT1066209B - Procedimento per perforare continuamente nastri flessibili di materiali termoplastici - Google Patents

Procedimento per perforare continuamente nastri flessibili di materiali termoplastici

Info

Publication number
IT1066209B
IT1066209B IT50715/76A IT5071576A IT1066209B IT 1066209 B IT1066209 B IT 1066209B IT 50715/76 A IT50715/76 A IT 50715/76A IT 5071576 A IT5071576 A IT 5071576A IT 1066209 B IT1066209 B IT 1066209B
Authority
IT
Italy
Prior art keywords
procedure
thermoplastic materials
flexible tapes
continuously perforating
continuously
Prior art date
Application number
IT50715/76A
Other languages
English (en)
Inventor
Werner Alfter Franz
Ulrich Breitscheidel Hans
Original Assignee
Dynamit Nobel Ag
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 Dynamit Nobel Ag filed Critical Dynamit Nobel Ag
Application granted granted Critical
Publication of IT1066209B publication Critical patent/IT1066209B/it

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/065—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of foam
    • 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
    • B26F1/24—Perforating by needles or pins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/266—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by an apertured layer, the apertures going through the whole thickness of the layer, e.g. expanded metal, perforated layer, slit layer regular cells B32B3/12
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/18—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/04—Punching, slitting or perforating
    • B32B2038/047—Perforating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2266/00—Composition of foam
    • B32B2266/02—Organic
    • B32B2266/0214—Materials belonging to B32B27/00
    • B32B2266/025—Polyolefin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2305/00—Condition, form or state of the layers or laminate
    • B32B2305/02—Cellular or porous
    • B32B2305/022—Foam
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2310/00—Treatment by energy or chemical effects
    • B32B2310/04—Treatment by energy or chemical effects using liquids, gas or steam
    • B32B2310/0445—Treatment by energy or chemical effects using liquids, gas or steam using gas or flames
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2323/00—Polyalkenes
    • B32B2323/04—Polyethylene

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Laminated Bodies (AREA)
IT50715/76A 1975-08-01 1976-07-30 Procedimento per perforare continuamente nastri flessibili di materiali termoplastici IT1066209B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2534376A DE2534376C3 (de) 1975-08-01 1975-08-01 Vorrichtung zum kontinuierlichen Lochen flexibler Bahnen aus thermoplastischen Kunststoffen

Publications (1)

Publication Number Publication Date
IT1066209B true IT1066209B (it) 1985-03-04

Family

ID=5952980

Family Applications (1)

Application Number Title Priority Date Filing Date
IT50715/76A IT1066209B (it) 1975-08-01 1976-07-30 Procedimento per perforare continuamente nastri flessibili di materiali termoplastici

Country Status (5)

Country Link
CH (1) CH609606A5 (it)
DE (1) DE2534376C3 (it)
FR (1) FR2319472A1 (it)
GB (1) GB1552491A (it)
IT (1) IT1066209B (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4610042A (en) * 1984-12-19 1986-09-09 Kurt Salmon Associates, Inc. Method and apparatus for making disposable shoe covers
US5262107A (en) * 1991-06-25 1993-11-16 Applied Extrusion Technologies, Inc. Method of making apertured film fabrics
AU696075B2 (en) * 1994-11-08 1998-09-03 Minnesota Mining And Manufacturing Company Method of aperturing thin sheet materials
US5879494A (en) * 1996-09-23 1999-03-09 Minnesota Mining And Manufacturing Company Method of aperturing thin sheet materials
DE69723289T2 (de) * 1996-11-15 2004-05-27 Sentinel Products Corp., Hyannis Offenzellige geschäumte gegenstände enthaltend mit silan gepfropfte polyolefinharze
DE10223388B4 (de) * 2002-05-25 2005-09-08 Afs Entwicklungs + Vertriebs Gmbh Vorrichtung zur Perforation eines bahnartigen Materials
EP3378450A1 (en) 2017-03-22 2018-09-26 Mölnlycke Health Care AB Method for manufacturing a wound dressing and a wound dressing

Also Published As

Publication number Publication date
DE2534376B2 (de) 1979-02-15
CH609606A5 (en) 1979-03-15
DE2534376A1 (de) 1977-02-03
GB1552491A (en) 1979-09-12
FR2319472B1 (it) 1980-08-29
DE2534376C3 (de) 1979-10-25
FR2319472A1 (fr) 1977-02-25

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