US 5,341,853 AGranted

Method for destroying aerosol cans

OwnerFrancois Nugues, Pierre H. Robicinventors

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Abstract

Method for destroying aerosol cans providing for their complete emptying, recovery, separation of various elements contained without losses, and the devices, automatic or not, for implementing the destruction method as well as the automatic piercing machine. The invention is related to the industrial sector of recovery and valorisation of waste products, the innovation of the method according to the invention allowing to pierce the aerosol can by means of a hollow needle (2) allowing to transfer the contents into a low pressure separation vat (8) making both housings, the aerosol can and the vat (8) to communicate, the invention using the resulting expansion in order to seperate the gases from the liquids, said gases thus expanded being sucked, compressed means of a compressor (13), liquified by an air-condenser (15) from where they are transferred into storage vats for treatment or reuse, the recovered liquids at the bottom of the vat (8) being transferred for reconditioning, treatment or destruction.

Claims11

Dependent claims

Method for destroying aerosol cans including the steps of:

a) providing a machine including feeding means for feeding aerosol cans into a rotary drum having at least one recess sized to receive an aerosol can, said at least one recess being alignable with said feeding means in one position of said drum and said at least one recess being rotatably movable to a second position in alignment with a reciprocable needle having a hollow body and a sealing device surrounding said hollow body for sealing around a can opening to be formed in said aerosol can be said needle;
b) rotating said drum to said first position of said at least one recess and causing said at least one recess to receive an aerosol can;
c) rotating said drum to said second position of said at least one recess;
d) reciprocating said needle to pierce through said aerosol can to form said can opening while concurrently sealing about said can opening with said sealing device;
e) draining all fluid from said aerosol can;
f) withdrawing said needle from said can opening;
and
g) rotating said drum to a position where said aerosol can is discarded.

5 more elements

Dependencies are inferred from the claim text.

Facts

Application: 07/601,826Filed 29 Sep 1992
Priority: FR 89 029176 Mar 1989
Granted: 30 Aug 1994
Term ends: Not estimatedThe source records don’t support an estimate.

Classification5 codes

B65B 69/00
Unpacking of articles or materials, not otherwise provided for
B09B 3/35
Involving mechanical treatment: shredding, crushing or cutting
B09B 2101/02
Type of solid waste: gases or liquids enclosed in discarded articles, e.g. aerosol cans or cooling systems of refrigerators
B65B
Machines, apparatus or devices for, or methods of, packaging articles or materials

Family

No related US applications are recorded in the indexed filing history.

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