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Can base forming

A mold and equipment technology, applied in the field of dome station or tank making machine, can solve time-consuming and other problems

Active Publication Date: 2019-12-06
CROWN PACKAGING TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Alignment and realignment of known body making machines is a time consuming process which requires stopping the can body production line

Method used

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  • Can base forming
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Examples

Experimental program
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Embodiment Construction

[0035] figure 1 is a schematic cross-sectional view of a dome station 1 of a known can making machine, where the dashed line A represents the alignment axis and along which the cans travel during production (first from left to right, then in the reverse direction) . Dome station 1 includes: dome shaped mold 5; hold down ring 10; "top hat" shaped dome mold support 15; polyurethane ring 20; outer ring 25; bearings 30, 31; front plate 45 and back plate 26; housing 50 . figure 2 The dome station 1 is shown after the punch 85 driving the carrying tank 80 has entered the dome station 1 from the left hand side.

[0036] The mold support 15 is mounted in the housing 50 using the outer ring 25 . The die support 15 has an outwardly protruding flange 18 that fits tightly within the outer ring 25 but is able to slide within the outer ring 25 when the die support 15 is impacted by a punch 85 . A polyurethane ring 20 is mounted around the mold support 15 to act as a shock absorber betw...

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PUM

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Abstract

An apparatus (100) for forming a base profile on a metal container carried on a punch moving along an axis. The apparatus comprises a die (105) for forming the base profile on the container and a resilient support for holding the die (105) in a resting position substantially along said axis whilst allowing the die (105) to be deflectable perpendicular to said axis and providing a restoring force to return the die (105) to the resting position.

Description

technical field [0001] The present invention relates to apparatus for forming base profiles on containers and in particular, though not necessarily, to a doming station or can making machine incorporating such apparatus. The invention also relates to a method of forming a base profile on a container. The invention further relates to an adjustment mechanism for a can making machine and a method of adjusting the position of components in a can making machine. Background technique [0002] In known can-making machines for the production of thin-walled metal cans by the so-called drawing and wall ironing (DWI) process, the cup is fed into the can-making machine and drawn by a reciprocating slide end Carried by a punch on the top of the tank, it passes through a series of dies to obtain the desired can size and thickness. The series of dies may include re-draw dies for reducing the diameter of the cup and lengthening its side walls, and one or more attenuation draws for attenua...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21D22/28B21D22/30B21D51/26
CPCB21D22/28B21D22/30B21D51/26
Inventor 布罗尼斯拉夫·鲁卡特
Owner CROWN PACKAGING TECH