GB1552491A - Foam sheet perforating method - Google Patents

Foam sheet perforating method

Info

Publication number
GB1552491A
GB1552491A GB32186/76A GB3218676A GB1552491A GB 1552491 A GB1552491 A GB 1552491A GB 32186/76 A GB32186/76 A GB 32186/76A GB 3218676 A GB3218676 A GB 3218676A GB 1552491 A GB1552491 A GB 1552491A
Authority
GB
United Kingdom
Prior art keywords
pins
foam sheet
perforating method
sheet perforating
foamed material
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
GB32186/76A
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.)
Dynamit Nobel AG
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
Publication of GB1552491A publication Critical patent/GB1552491A/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
    • B26F1/24—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
    • B32B27/06—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
    • 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)

Abstract

The webs of foamed material (6) are guided for perforation through pairs of rollers (4, 5) past a rotating roller (1) which has radially projecting pins. Said pins are heated by direct flames from a gas burner (3). Any residues of the foamed material sticking to the pins are thus burnt so that the pins are continuously cleaned. <IMAGE>
GB32186/76A 1975-08-01 1976-08-02 Foam sheet perforating method Expired GB1552491A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2534376A DE2534376C3 (en) 1975-08-01 1975-08-01 Device for continuous perforation of flexible webs made of thermoplastics

Publications (1)

Publication Number Publication Date
GB1552491A true GB1552491A (en) 1979-09-12

Family

ID=5952980

Family Applications (1)

Application Number Title Priority Date Filing Date
GB32186/76A Expired GB1552491A (en) 1975-08-01 1976-08-02 Foam sheet perforating method

Country Status (5)

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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5262107A (en) * 1991-06-25 1993-11-16 Applied Extrusion Technologies, Inc. Method of making apertured film fabrics
EP0939777A1 (en) * 1996-11-15 1999-09-08 Sentinel Products Corp. Open cell foamed articles including silane-grafted polyolefin resins
EP3378450A1 (en) 2017-03-22 2018-09-26 Mölnlycke Health Care AB Method for manufacturing a wound dressing and a wound dressing

Families Citing this family (4)

* 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
BR9509635A (en) * 1994-11-08 1998-01-06 Minnesota Mining & Mfg Process for forming perforations in a thin sheet of material and respective thin sheet of material
US5879494A (en) * 1996-09-23 1999-03-09 Minnesota Mining And Manufacturing Company Method of aperturing thin sheet materials
DE10223388B4 (en) * 2002-05-25 2005-09-08 Afs Entwicklungs + Vertriebs Gmbh Device for perforating a web-like material

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5262107A (en) * 1991-06-25 1993-11-16 Applied Extrusion Technologies, Inc. Method of making apertured film fabrics
EP0939777A1 (en) * 1996-11-15 1999-09-08 Sentinel Products Corp. Open cell foamed articles including silane-grafted polyolefin resins
EP0939777A4 (en) * 1996-11-15 1999-11-24 Sentinel Products Corp Open cell foamed articles including silane-grafted polyolefin resins
EP3378450A1 (en) 2017-03-22 2018-09-26 Mölnlycke Health Care AB Method for manufacturing a wound dressing and a wound dressing
WO2018172414A1 (en) 2017-03-22 2018-09-27 Mölnlycke Health Care Ab Method for manufacturing a wound dressing and a wound dressing
US11559441B2 (en) 2017-03-22 2023-01-24 Mölnlycke Health Care Ab Method for manufacturing a wound dressing and a wound dressing

Also Published As

Publication number Publication date
DE2534376C3 (en) 1979-10-25
IT1066209B (en) 1985-03-04
CH609606A5 (en) 1979-03-15
FR2319472A1 (en) 1977-02-25
DE2534376B2 (en) 1979-02-15
FR2319472B1 (en) 1980-08-29
DE2534376A1 (en) 1977-02-03

Similar Documents

Publication Publication Date Title
NO153082C (en) APPARATUS FOR STAPPING A WRINKED RODFORM SHEET.
NL181601C (en) GAS BURNER FOR CONSTANT FLAME SIZE.
GB2052032B (en) Method and apparatus for generation of hot gas by incineration of combustible material
BE842934A (en) COMBUSTIBLE GAS PRODUCTION PROCESS
NL7703743A (en) GAS CONTROL FOR A BURNER.
GB1552491A (en) Foam sheet perforating method
NL154677B (en) ROLL FOR A ROLLER.
IT7824806A0 (en) PROCEDURE FOR THE HEAT TREATMENT OF A FABRIC SHEET.
NL7502294A (en) ROLL FOR A ROLLER.
NL7515117A (en) TORCH BURNER FOR FLAMMABLE WASTE GAS.
ES414782A1 (en) Method for operating modulated burners actuated by an emulsion
NL7705206A (en) AIR SPEED BURNER FOR FLAME CHAIRS.
AR220311A1 (en) METHOD AND APPARATUS FOR BURNING CARBON FUELS AND OBTAINING A HOT GAS EFFLUENT, APPLICABLE AS A SOURCE OF HEAT OR MOTOR FORCE
NL7610218A (en) PROCESS FOR PREPARING A NON-OPERATIVE FLAME RETARDANT MATERIAL ON A POLYCARBONATE BASIS.
NL7612532A (en) PROCESS FOR PREPARING A FLAME RETARDANT HEAT HARDENING VINYL UNSATURATED PRODUCT.
NL7514960A (en) IRONING KNIFE FOR A FIXING ROLLER.
NL7600827A (en) PROCESS FOR PREPARING A FLAME RETARDANT MIXTURE.
BE847834A (en) FOAM SHEET AND FOAM SHEET PRODUCTION PROCESS,
JPS526132A (en) Pre-mixing gas burner
GB1555058A (en) Gas burner for gas heating apparatus
JPS51120436A (en) An automatic-burner controlling system
IL50633A (en) Apparatus for preparing corrugated asbestos sheets automatically
JPS521542A (en) Combustion apparatus
JPS52152587A (en) Flame width adjust apparatus for burner of gas singeing
NL7801812A (en) LATEX MIXTURE BINDER PRODUCT FOR ASBESTOS SHEETS.

Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee