JPH0391749U

JPH0391749U -

Info

Publication number: JPH0391749U
Application number: JP15319289U
Authority: JP
Priority date: 1989-12-28
Filing date: 1989-12-28
Publication date: 1991-09-18
Anticipated expiration: 2004-12-28
Also published as: JPH0746134Y2

Description

[Brief explanation of drawings]

第１図は本考案の植物栽培用保温被覆資材の一
実施例の展開状態の斜視図、第２図は同じく側面
図、第３図は同じく上面図、第４図は折畳んだ状
態の側面図、第５図は被覆シートの展開図、第６
図は他の実施例の展開状態の斜視図、第７図は従
来の被覆資材の使用状態図、第８図は従来の改良
された被覆資材の展開状態の斜視図である。１１……被覆シート、１１′……閉塞部、１２
……テープ、１３……折曲線、１３′……第一折
曲線、１３″……第二折曲線、１４……貫通孔、
１５……ロープ、１６……杭。 Fig. 1 is a perspective view of an embodiment of the heat-retaining covering material for plant cultivation of the present invention in an unfolded state, Fig. 2 is a side view, Fig. 3 is a top view, and Fig. 4 is a side view of a folded state. Figure 5 is a developed view of the covering sheet, Figure 6 is a developed view of the covering sheet.
The figure is a perspective view of another embodiment in an expanded state, FIG. 7 is a diagram of a conventional covering material in use, and FIG. 8 is a perspective view of a conventional improved covering material in an expanded state. 11...Covering sheet, 11'...Closing part, 12
...Tape, 13...Folding line, 13'...First folding line, 13''...Second folding line, 14...Through hole,
15... rope, 16... stake.

Claims

[Claims for Utility Model Registration] 1. Covering sheets of breathable non-woven fabric containing thermoplastic plastics such as polyester and acrylic are alternately folded in opposite directions at first and second fold lines along parallel lines at regular intervals. Folded, the double folded line is a long side of the long rectangular shape, and both ends of this rectangle are folded in the opposite direction, and the apex is on the double folded line of the first folded line on the upper side and the second folded line on the lower side. A heat-retaining covering material for plant cultivation, characterized in that it is folded back to form an isosceles right triangle to form a closing part, and is provided with unfolded state holding means at a plurality of locations including both ends of the first folded line on the upper side. . 2. The heat-retaining covering material for plant cultivation according to item 1, wherein the unfolded state holding means is constructed by welding a tape containing thermoplastic to the first fold line on the upper side at regular intervals. 3. The unfolded state holding means is characterized in that a through hole is bored in the vicinity of the first folding line on the upper side, and comprises a rope inserted through the through hole and stakes fastened to both ends of the rope, respectively. The heat-retaining covering material for plant cultivation according to item 1.