FR2040704A5 - Continuous peforation of ground masking - sheet - Google Patents

Continuous peforation of ground masking - sheet

Info

Publication number
FR2040704A5
FR2040704A5 FR6911033A FR6911033A FR2040704A5 FR 2040704 A5 FR2040704 A5 FR 2040704A5 FR 6911033 A FR6911033 A FR 6911033A FR 6911033 A FR6911033 A FR 6911033A FR 2040704 A5 FR2040704 A5 FR 2040704A5
Authority
FR
France
Prior art keywords
continuous
sheet
peforation
perforations
masking
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
FR6911033A
Other languages
French (fr)
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.)
GAZ LIQUEFIES STE FSE
Original Assignee
GAZ LIQUEFIES STE FSE
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 GAZ LIQUEFIES STE FSE filed Critical GAZ LIQUEFIES STE FSE
Priority to FR6911033A priority Critical patent/FR2040704A5/en
Application granted granted Critical
Publication of FR2040704A5 publication Critical patent/FR2040704A5/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G13/00—Protecting plants
    • A01G13/02—Protective coverings for plants; Coverings for the ground; Devices for laying-out or removing coverings
    • A01G13/0256—Ground coverings
    • A01G13/0268—Mats or sheets, e.g. nets or fabrics
    • 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

Abstract

Continuous perforations in a regular pattern of a plastic sheet or carpet placed on the soil to prevent the growth of weeds but to permit seeds to be sown or seedlings planted in the perforations so formed, are made by causing a cylindrical roller having a series of apertures in its surface out of which projects a flame from radially arranged burners connected to a source of combustible gas, e.g. liquefied petroleum gases, so as to melt the plastic sheets over the area of the aperture and produce the desired perforation.
FR6911033A 1969-04-10 1969-04-10 Continuous peforation of ground masking - sheet Expired FR2040704A5 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR6911033A FR2040704A5 (en) 1969-04-10 1969-04-10 Continuous peforation of ground masking - sheet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR6911033A FR2040704A5 (en) 1969-04-10 1969-04-10 Continuous peforation of ground masking - sheet

Publications (1)

Publication Number Publication Date
FR2040704A5 true FR2040704A5 (en) 1971-01-22

Family

ID=9032164

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6911033A Expired FR2040704A5 (en) 1969-04-10 1969-04-10 Continuous peforation of ground masking - sheet

Country Status (1)

Country Link
FR (1) FR2040704A5 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0562447A1 (en) * 1992-03-23 1993-09-29 Hoechst Aktiengesellschaft Impervious sheet
FR2844424A1 (en) * 2002-09-16 2004-03-19 Yves Cadiou Plastic film tunnel cloche ventilation hole cutter has at least one rotary cutting implement mounted on chassis via mobile support

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0562447A1 (en) * 1992-03-23 1993-09-29 Hoechst Aktiengesellschaft Impervious sheet
FR2844424A1 (en) * 2002-09-16 2004-03-19 Yves Cadiou Plastic film tunnel cloche ventilation hole cutter has at least one rotary cutting implement mounted on chassis via mobile support

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Legal Events

Date Code Title Description
ST Notification of lapse