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Device for laying road material
   
Document Number
US Patent 4329081
Issued Date
May 11, 1982
Link
Inventors
Buvik; Stig (S-685 00 Torsby,SE)
Map
Abstract
An asphalt layer adapted to be towed after a towing vehicle comprising in combination on the one hand a back wall (6), the lower edge of which determines the upper surface of the layer of material which is laid out, on the other hand a trough-shaped bucket (9) in front of the back wall. The bucket can be turned in relation to the back wall about a horizontal fulcrum (X) parallel to the back wall, and the material in the bucket can be emptied out into the space in front of the back wall. Partitions (39) and (40) or (30) and (31), are disposed in said space and in the bucket to regulate the layer of material to the required width. The first mentioned partitions have a concave front edge which follows on the arc which is generated by the front edge of the bucket when the bucket is turned about its fulcrum. The device (1) may appropriately be connected to a central-pivoted tractor (2).
Drawing
Device for laying road material - US Patent 4329081 Drawing
Drawing from US Patent 4329081
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Number of Claims:
8
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Owner
Published
May 11, 1982
Application Number
06/140,494
Filed
April 15, 1980
US Classification
404/110  
Int'l Classification
E01C   19/15   (20060101)   E01C   19/00   (20060101)   E01C   19/18   (20060101)  
Attorney/Law Firm
Priority Data
May 04, 1979 [SE] 7903901
USPTO Field of Search
404/110   404/101   404/104   404/108  
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Claims
Description
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