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LiPo Safety Bag: Fire-Resistant Sack with Hook-and-Loop Flap
W. Bruce's fire-resistant container (US 2008/0290094, 2008) for devices with lithium batteries: a sack of fire-resistant fabric, such as aramid, with a flap over its open end held by a hook-and-loop strip. If a battery overheats, catches fire or bursts, the sack keeps the fire from spreading to what is around it. Body, flap and strap are all of the fire-resistant fabric.
The application gives no sizes or seams; those are ours. It covers storing and carrying, not charging. The picture: the application's Figs. 3a-b.
Beginner
2 hours
Instructions
1
1
Cut body, flap and strap
Cut body, flap and strap
Ours: mark and cut the body, the flap and a strap from fire-resistant fabric, sized to the battery or device it will hold.
Materials for this step:
Fire-Resistant Fabric1 sqmTools needed:
Tailor's Chalk
Fabric Scissors2
2
Sew the body into a sack
Sew the body into a sack
Ours: sew the body's sides closed so it has one open end and a cavity for the device.
Materials for this step:
Thread1 rollTools needed:
Sewing Machine3
3
Attach the flap over the open end
Attach the flap over the open end
Sew the flap to the body so it folds over the open end; leave it long enough to adjust to devices of different sizes.
Tools needed:
Sewing Machine4
4
Sew on the hook-and-loop closure
Sew on the hook-and-loop closure
Sew a hook-and-loop strip (310) to the body and the strap (308) with its matching half to the flap, so the strap closes the flap shut.
Materials for this step:
Hook and Loop / Velcro1 pieceTools needed:
Sewing MachineMaterials
3- Placeholder
- 1 rollPlaceholder
- 1 piecePlaceholder
Tools Required
3- Placeholder
- Placeholder
- Placeholder
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