Hydraulic and earth engineering
Earth treatment or control
Shoring, bracing, or cave-in prevention
Inventor
active
Mine prop headboard
Preload headboard for an elongate prop
Prop preloading apparatus
Spacer assembly and method
Yieldable load support
No associations
LandOfFree
Frans R. P. Pienaar does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with Frans R. P. Pienaar, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Frans R. P. Pienaar will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-P-319661