Title of Invention	"A MECHANICAL PROCESS FOR THE REDUCTION OF ELECTRICAL CONDUCTIVITY AND MOISTURE CONTENT OF COIR FIBRE PITH."
Abstract	This mechanical dewatering and firing process which relates to a method by which the moisture content and the electrical conductivity of the CFP can be processed to less than 40% weight by weight wet basis on moisture and reduced by more than 30% of initial electrical conductivity is a modem and efficient process. The 3 main stages of this process are : a) The Screener or Sifting Process b) Dewatering and Bagging Process and c) The Drying Process Principal types of plant and machinery used in the 3 stages of this process are the screener, dewatering machine, the heat generator with the dryer and other accessories like feed hopper and the cyclone. The finished product obtained finally is compressed into briquettes, blocks, slabs or into bale forms.

Title of Invention

"A MECHANICAL PROCESS FOR THE REDUCTION OF ELECTRICAL CONDUCTIVITY AND MOISTURE CONTENT OF COIR FIBRE PITH."

Abstract

This mechanical dewatering and firing process which relates to a method by which the moisture content and the electrical conductivity of the CFP can be processed to less than 40% weight by weight wet basis on moisture and reduced by more than 30% of initial electrical conductivity is a modem and efficient process. The 3 main stages of this process are : a) The Screener or Sifting Process b) Dewatering and Bagging Process and c) The Drying Process Principal types of plant and machinery used in the 3 stages of this process are the screener, dewatering machine, the heat generator with the dryer and other accessories like feed hopper and the cyclone. The finished product obtained finally is compressed into briquettes, blocks, slabs or into bale forms.

Full Text	Title of Invention MECHANICAL PROCESS FOR THE REDUCTION OF ELECTRICAL CONDUCTIVITY AND MOISTURE CONTENT OF COIR FIBRE PITH 1) Field of the Invention This invention relates to a novel mechanical process which relates to a method by which the moisture content and electrical conductivity of coir fibre pith is reduced whilst maintaining the quality of the coir fibre pith at the same time. The reduction of the compositioas specified above is carried out by mechanical dewatering and oil/gas/other fuel fired drying. Coir fibre pith is subjected to this new mechanical process and has an added advantage of not depending on the weather conditions for solar drying, at the same time maintaining the purity and the horticultural properties of the finished product. 2) Description of the Prior Art The coir fibre pith which is used as the raw material for the above process is at present exposed to monsoon rains to drain off the chemicals which causes the high electrical conductivity. Then it is sun dried to minimise the moisture content to make it viable for compressing it from 2:1 up to 8:1 times for the economical export in ocean containers. Thus the present method is highly weather dependent and during the drought, due to shortage of water, the electrical conductivity of the coir fibre pith increases. Therefore, the latest invention of mechanical processing of the coir fibre pith as given below can operate at optimum capacity, independent of any weather conditions. This new process also enables fresh coir fibre pith to be drawn in direct from the coconut husk defibering machine and via ex fibre mill sifter, without having spread out on the drying floors and processed for export, thus avoiding contamination with weed seeds and other ground contaminants such as sand and horticultural plant matter The 3 stages of this new mechanical process are as follows : a) Screener or Sifting b) Dewatering and Bagging c) Drying a) Screener or Sifting Process This essentially is a sifting operation by use of the screener machine as indicated at stage (1) of the attached process flow diagram No. DWRDRY/PFD/600. The screener is equipped with a mesh between 1/4" - 1/2" for the sifting purpose, where the fresh coir fibre pith is drawn out direct from the 1" mesh fibre mill sifter, and passed through this special screen of mesh size between 1/4" - 1/2" By Title of Invention MECHANICAL PROCESS FOR THE REDUCTION OF ELECTRICAL CONDUCTIVITY AND MOISTURE CONTENT OF COIR FIBRE PITH 1) Field of the Invention This invention relates to a novel mechanical process which relates to a method by which the moisture content and electrical conductivity of coir fibre pith is reduced whilst maintaining the quality of the coir fibre pith at the same time. The reduction of the compositions specified above is carried out by mechanical dewatering and oil/gas/other fuel fired drying. Coir fibre pith is subjected to this new mechanical process and has an added advantage of not depending on the weather conditions for solar drying, at the same time maintaining the purity and the horticultural properties of the finished product. 2) Description of the Prior Art The coir fibre pith which is used as the raw material for the above process is at present exposed to monsoon rains to drain off the chemicals which causes the high electrical conductivity. Then it is sun dried to minimise the moisture content to make it viable for compressing it from 2:1 up to 8:1 times for the economical export in ocean containers. Thus the present method is highly weather dependent and during the drought, due to shortage of water, the electrical conductivity of the coir fibre pith increases. Therefore, the latest invention of mechanical processing of the coir fibre pith as given below can operate at optimum capacity, independent of any weather conditions. This new process also enables fresh coir fibre pith to be drawn in direct from the coconut husk defibering machine and via ex fibre mill sifter, without having spread out on the drying floors and processed for export, thus avoiding contamination with weed seeds and other ground contaminants such as sand and horticultural plant matter. DETAILED DESCRIPTION OF INVENTION The 3 stages of this new mechanical process are as follows : a) Screener or Sifting b) Dewatering and Bagging c) Drying a) Screener or Sitting Process This essentially is a sifting operation by use of the screener machine as indicated at stage (1) of the attached process flow diagram No. DWRDRY/PFD/600. The screener is equipped with a mesh between 1/4" - 1/2" for the sifting purpose where the fresh coir fibre pith is drawn out direct from the 1" mesh fibre mill sirter, and passed through this special screen of mesh size between1/4" - 1/2". By We claim: 1. A mechanical process for the reduction of electrical conductivity and moisture content of coir fiber pith (CFP) comprising: drawing the fresh fiber pith from 1' mesh fiber mill sifter, sifting the said fresh coir fiber from a screener with a mesh1/4"- 1/2", dewatering the said sifted fiber through dewatering machine with out being spread out on the drying floor and until the moisture is less than 60% by weight on wet basis, which the electrical conductivity is reduced by more than 30% of initial, feeding the said fiber through feed hopper into drying chambers at temperature 200°C to set the CFP, finally said CFP is fed into cyclone to get the final product.

Full Text

Title of Invention
MECHANICAL PROCESS FOR THE REDUCTION OF ELECTRICAL CONDUCTIVITY AND MOISTURE CONTENT OF COIR FIBRE PITH
1) Field of the Invention
This invention relates to a novel mechanical process which relates to a method by which the moisture content and electrical conductivity of coir fibre pith is reduced whilst maintaining the quality of the coir fibre pith at the same time. The reduction of the compositioas specified above is carried out by mechanical dewatering and oil/gas/other fuel fired drying. Coir fibre pith is subjected to this new mechanical process and has an added advantage of not depending on the weather conditions for solar drying, at the same time maintaining the purity and the horticultural properties of the finished product.
2) Description of the Prior Art
The coir fibre pith which is used as the raw material for the above process is at present exposed to monsoon rains to drain off the chemicals which causes the high electrical conductivity. Then it is sun dried to minimise the moisture content to make it viable for compressing it from 2:1 up to 8:1 times for the economical export in ocean containers. Thus the present method is highly weather dependent and during the drought, due to shortage of water, the electrical conductivity of the coir fibre pith increases.
Therefore, the latest invention of mechanical processing of the coir fibre pith as given below can operate at optimum capacity, independent of any weather conditions. This new process also enables fresh coir fibre pith to be drawn in direct from the coconut husk defibering machine and via ex fibre mill sifter, without having spread out on the drying floors and processed for export, thus avoiding contamination with weed seeds and other ground contaminants such as sand and horticultural plant matter
The 3 stages of this new mechanical process are as follows :
a) Screener or Sifting
b) Dewatering and Bagging
c) Drying
a) Screener or Sifting Process
This essentially is a sifting operation by use of the screener machine as indicated at stage (1) of the attached process flow diagram No. DWRDRY/PFD/600. The screener is equipped with a mesh between 1/4" - 1/2" for the sifting purpose, where the fresh coir fibre pith is drawn out direct from the 1" mesh fibre mill sifter, and passed through this special screen of mesh size between 1/4" - 1/2" By
Title of Invention
MECHANICAL PROCESS FOR THE REDUCTION OF ELECTRICAL CONDUCTIVITY AND MOISTURE CONTENT OF COIR FIBRE PITH
1) Field of the Invention
This invention relates to a novel mechanical process which relates to a method by which the moisture content and electrical conductivity of coir fibre pith is reduced whilst maintaining the quality of the coir fibre pith at the same time. The reduction of the compositions specified above is carried out by mechanical dewatering and oil/gas/other fuel fired drying. Coir fibre pith is subjected to this new mechanical process and has an added advantage of not depending on the weather conditions for solar drying, at the same time maintaining the purity and the horticultural properties of the finished product.
2) Description of the Prior Art
The coir fibre pith which is used as the raw material for the above process is at present exposed to monsoon rains to drain off the chemicals which causes the high electrical conductivity. Then it is sun dried to minimise the moisture content to make it viable for compressing it from 2:1 up to 8:1 times for the economical export in ocean containers. Thus the present method is highly weather dependent and during the drought, due to shortage of water, the electrical conductivity of the coir fibre pith increases.
Therefore, the latest invention of mechanical processing of the coir fibre pith as given below can operate at optimum capacity, independent of any weather conditions. This new process also enables fresh coir fibre pith to be drawn in direct from the coconut husk defibering machine and via ex fibre mill sifter, without having spread out on the drying floors and processed for export, thus avoiding contamination with weed seeds and other ground contaminants such as sand and horticultural plant matter.
DETAILED DESCRIPTION OF INVENTION
The 3 stages of this new mechanical process are as follows :
a) Screener or Sifting
b) Dewatering and Bagging
c) Drying
a) Screener or Sitting Process
This essentially is a sifting operation by use of the screener machine as indicated at stage (1) of the attached process flow diagram No. DWRDRY/PFD/600. The screener is equipped with a mesh between 1/4" - 1/2" for the sifting purpose where the fresh coir fibre pith is drawn out direct from the 1" mesh fibre mill sirter, and passed through this special screen of mesh size between1/4" - 1/2". By

We claim:
1. A mechanical process for the reduction of electrical conductivity and moisture content of coir fiber pith (CFP) comprising:
drawing the fresh fiber pith from 1' mesh fiber mill sifter, sifting the said fresh coir fiber from a screener with a mesh1/4"-
1/2",
dewatering the said sifted fiber through dewatering machine
with out being spread out on the drying floor and until the moisture is less than 60% by weight on wet basis, which the electrical conductivity is reduced by more than 30% of initial, feeding the said fiber through feed hopper into drying chambers at temperature 200°C to set the CFP, finally said CFP is fed into cyclone to get the final product.

Documents:

1504-del-1999-abstract.pdf

1504-del-1999-claims.pdf

1504-del-1999-correspondence-others.pdf

1504-del-1999-correspondence-po.pdf

1504-del-1999-description (complete).pdf

1504-del-1999-form-1.pdf

1504-del-1999-form-19.pdf

1504-del-1999-form-2.pdf

1504-del-1999-form-3.pdf

1504-del-1999-form-5.pdf

1504-del-1999-gpa.pdf

1504-del-1999-pa.pdf

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Patent Number

232928

Indian Patent Application Number

1504/DEL/1999

PG Journal Number

13/2009

Publication Date

27-Mar-2009

Grant Date

23-Mar-2009

Date of Filing

24-Nov-1999

Name of Patentee

LIGNOCELL LIMITED,

Applicant Address

400, DEANS ROAD, COLOMBO 10, SRI LANKA.

Inventors:

#	Inventor's Name	Inventor's Address
1	HETTIARACHCHY A.,	39/1 BADDEGANA ROAD, PITAKOTTE, SRI LANKA.

PCT International Classification Number

A47C 27/12

PCT International Application Number

N/A

PCT International Filing date

PCT Conventions:

#	PCT Application Number	Date of Convention	Priority Country
1	11705	1999-05-11	Sri Lanka