Patent ID: 11885602
Assignee: nan
Field: Other special machines (Mechanical engineering)
Classification: CPC F  Y | IPC F

Claim 0:
1. An arrangement for fireworks in which a plurality of paper tubes form a tube row and there are a plurality of tube rows each comprised of a plurality of respective paper tubes, the arrangement comprising:
each tube row is provided with a bottom cardboard, two sides of the bottom cardboard are correspondingly provided with notch positioning holes, and the bottom cardboard beside the notch positioning holes, on both sides of the bottom cardboard, forms a protruding cardboard portion beside the notch positioning holes; and
both end portions of the paper tubes are respectively embedded in corresponding notch positioning holes on the two sides of the bottom cardboard, and cardboard beside the notch positioning holes is folded and engages with respective exterior surfaces of the paper tubes.