JPH02127152U - - Google Patents

Info

Publication number
JPH02127152U
JPH02127152U JP3616789U JP3616789U JPH02127152U JP H02127152 U JPH02127152 U JP H02127152U JP 3616789 U JP3616789 U JP 3616789U JP 3616789 U JP3616789 U JP 3616789U JP H02127152 U JPH02127152 U JP H02127152U
Authority
JP
Japan
Prior art keywords
created
radial direction
device body
registration request
drilling machine
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.)
Pending
Application number
JP3616789U
Other languages
Japanese (ja)
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
Priority to JP3616789U priority Critical patent/JPH02127152U/ja
Publication of JPH02127152U publication Critical patent/JPH02127152U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は従来に於ける被覆シートの使用状態例
、第２図は本考案装置の略式斜視図、第３図は錐
体の斜視図、第４図は被覆シートの穴明作業説明
図、第５図は該被覆シートの使用状態図である。 １……フイルムシート、２……孔、５……苗、
６……枠体、７……繰出手段、８……張力調整手
段、９……孔明手段、１０……巻取手段、１１…
…錐体、１６……破断線。 Fig. 1 is an example of the state of use of a conventional covering sheet, Fig. 2 is a schematic perspective view of the device of the present invention, Fig. 3 is a perspective view of a cone, Fig. 4 is an explanatory diagram of drilling a hole in the covering sheet, FIG. 5 is a diagram showing how the covering sheet is used. 1... Film sheet, 2... Hole, 5... Seedling,
6... Frame body, 7... Feeding means, 8... Tension adjustment means, 9... Perforating means, 10... Winding means, 11...
... Cone, 16... Break line.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 装置本体に繰出手段、張力調整手段、孔明手段
、巻取手段の各手段を、この順序に設け、孔明手
段はドラムの軸方向及びこれと直交する周方向に
先端が尖り放射状方向側端縁を複数の切刃に形成
した錐刃を取付け、被覆シートに突刺点から放射
状方向の一定長さ範囲へ複数の破断線が作成され
るようになすことを特徴とした農作用被覆シート
の孔開け機。 The device body is provided with a feeding means, a tension adjusting means, a perforating means, and a winding means in this order. A drilling machine for agricultural cover sheets, characterized in that a plurality of cutting blades are attached to the drill bits so that a plurality of breaking lines are created in a fixed length range in the radial direction from the puncture point on the cover sheet. .
JP3616789U 1989-03-28 1989-03-28 Pending JPH02127152U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3616789U JPH02127152U (en) 1989-03-28 1989-03-28

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3616789U JPH02127152U (en) 1989-03-28 1989-03-28

Publications (1)

Publication Number Publication Date
JPH02127152U true JPH02127152U (en) 1990-10-19

Family

ID=31542169

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3616789U Pending JPH02127152U (en) 1989-03-28 1989-03-28

Country Status (1)

Country Link
JP (1) JPH02127152U (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4954129A (en) * 1972-10-09 1974-05-25
JPS6221843B2 (en) * 1984-05-10 1987-05-14 Inland Steel Co

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4954129A (en) * 1972-10-09 1974-05-25
JPS6221843B2 (en) * 1984-05-10 1987-05-14 Inland Steel Co

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