| 摘要 |
1,033,871. Screeds. I. SCHWACHULA [trading as INGEBORG SCHWACHULA KOMM GES]. Jan. 13, 1965 [Jan. 29, 1964], No. 1459/65. Heading E1G. A holder for a screed batten 1 of channel steel comprises a foot 3 set into the base layer and a bolt 4 threaded into the foot to adjust the height of the screed. A cylindrical or conical spring 6 between washers 7, 8 holds the screed 1 against the head of the bolt. |
