Crush roller and crush roller tooth molding method of Cedar circle char.

摘要

PROBLEM TO BE SOLVED: To solve the problems of a conventional method to form perforated lines on an existing laid mulching film one by one for meeting the recent need for the formation of perforated lines on a mulching film in the field of the culture of Japanese radish and carrot constituting the mainstream of the mulching culture with a seeder mulcher, comprising the necessity in several separated reciprocating perforation works to apply much labor to the worker in the case of forming a plurality of perforated lines.;SOLUTION: The tamping roller for the seeder mulcher comprises a prescribed number of L-shaped teeth on the outer circumference of the tamping roller of the seeder mulcher to perform the tamping work on the field and the formation of a prescribed number of perforated lines on the film at the same time. The invention further provides a method for forming the teeth for the roller.;COPYRIGHT: (C)2004,JPO