Modification of Metal Pails

Modification of Metal Pails

Whether it is an open or closed old Metal Pails, when it needs to be refurbished, there is a requirement that the interior of the Metal Pails be fully cleaned. In this way, it is sometimes necessary to remove one end of the Metal Pails. The drum can then be refitted, either as an open drum (a drum with a removable lid), or by coiling or welding to reassemble one end of the drum.

Often there is a lack of a way to refurbish into closed Metal Pails. However, the purpose of the present invention is to provide a method for converting an open Metal Pails into a closed Metal Pails.

The invention provides a method for forming a closed Metal Pails by curling an open end of an open Metal Pails. It is to rotate the open Metal Pails while inserting a plow-shaped uncoiler at the edge of its open end. This plow-shaped uncoiler takes the axis of the Metal Pails as the reference, unwinds and unwinds the open end of the Metal Pails, then puts a lid on it, and then rolls the two edges together to form a closed Metal Pails.

The angle between the flange part formed by the rolled edge of the Metal Pails unrolled by the plow uncoiler and the drum wall of the Metal Pails needs to be at least 90°.

Along the uncoiling direction of the plough-shaped uncoiler, there are two upper and lower rollers. Barrel barrel wall with complex '30. Angled flange-like flanges. At the same time, the cylindrical body of the steel barrel is also higher than before. The flange-shaped flanging has been better stretched in the continuous rolling. However, there is one caveat here, that is, don't forget to keep the corrugation at the end of the drum.