发明申请
US20090151288A1 Method of Making a Shingle and Shingle Made Thereby 审中-公开
由此制作瓦片和瓦块的方法

Method of Making a Shingle and Shingle Made Thereby
摘要:
A method of making a shingle and the shingle made in accordance with such method are provided, in which a shingle-forming layer of shingle material has a plurality of marks applied thereto prior to or after application of decorative granules to its tab region, and wherein the locations of the marks are sensed by a sensor, that then activates and controls the operation and placement of various shingle-completion steps as a function of the placement of the marks.
信息查询
0/0