| 摘要 |
<p>1503219 Plant pots ILLINOIS TOOL WORKS INC 31 Dec 1975 [2 Jan 1975 20 June 1975 8 Sept 1975] 53239/75 Heading A1E The frame member 10 (Fig; 1), 19 (Fig. 7) or 30 (Fig. 12) of a container for growth medium, in which a seed or cutting is planted, comprises ribs 13, 21a or 32 directed longitudinally upwards from a base section 12, 20 or 31 which has a conical, pyramidal or domed upper surface, and the ribs are surrounded by a flexible sleeve e.g. 11 (Fig. 5) terminating above the base section in order to provide drainage openings 15. The ribs prevent spiralling of roots and the shape of the base section ensures radial outward and downward root growth. Before transplanting the plant in the container, the sleeve is removed, preferably by provision of a longitudinal tear strip and pull tab 27. The sleeve 11 is of heat shrinkable plastics film. The base section 20 is bulletshaped to aid insertion into the ground. Half of a two-part frame member is shown in Fig. 12. A planting tool 41 having a tubular end 42, into which the ribs of the frame member may be inserted, and a tamping end 43 may be used for transplanting (Fig 20).</p> |
