Invention Grant
- Patent Title: Ventilated mine roof support
-
Application No.: US14470730Application Date: 2014-08-27
-
Publication No.: US09611738B2Publication Date: 2017-04-04
- Inventor: Michael T. Shook
- Applicant: BURRELL MINING PRODUCTS, INC.
- Applicant Address: US PA New Kensington
- Assignee: BURRELL MINING PRODUCTS, INC.
- Current Assignee: BURRELL MINING PRODUCTS, INC.
- Current Assignee Address: US PA New Kensington
- Agency: Morriss O'Bryant Compagni, PC
- Main IPC: E21D15/00
- IPC: E21D15/00 ; E21F1/00 ; E21D15/48 ; E21F1/10
Abstract:
A longitudinally yieldable support for underground roof support includes an elongate outer shell filled with a solid compressible filler material. At least one air ventilation tube extends between opposite sides of the support to allow a flow of air through the support as the support yields.
Public/Granted literature
- US20160061032A1 VENTILATED MINE ROOF SUPPORT Public/Granted day:2016-03-03
Information query
