SCHEDULE 13G
Filing for 2004
CHASE CORPORATION
AMENDMENT NO. 0
Cusip Number: 16150R104
Page 1 of 4



CHASE CORPORATION
Cusip Number: 16150R104
Page 2 of 4


1.	NAME OF REPORTING PERSON
S.S.  or I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

		Wilen Management Company, Inc.
		52-1452536

2.	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
				(a)
				(b)	**

3.	SEC USE ONLY

4.	CITIZEN OR PLACE OF ORGANIZATION

NUMBER OF SHARES BENEFICALLY OWNED BY EACH REPORTING
PERSON WITH:

5.  	SOLE VOTING POWER

		209,768 Shares

6.	SHARED VOTING POWER
		NONE

7.  	SOLE DISPOSITIVE POWER

		209,768 Shares


8.  	SHARES DISPOSTIVE POWER
		NONE

9.	AGGREGATE AMOUNT BENEFICALLY OWNED BY EACH PERSON

		209,768 Shares

10.	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES
	CERTAIN SHARES*

			N/A

11.	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

			5.6%

12.	TYPE OF REPORTING PERSON*

			IA




CHASE CORPORATION
Cusip Number: 16150R104
Page 3 of 4


Item 1.   Security and Issuer:

This statement relates to the common stock of Chase
Corporation ("The Issuer") 26 Summer Street,
Suite #220 Bridgewater, MA 02324.

Item 2.   Identity and Background:

(a)	Name of Person Filing: Wilen Management Company, Inc.

(b)	Address of Principal Business Office:
2360 West Joppa Road, Suite 226
Lutherville, MD  21093

(c)	Citizenship or Place of Organization:   Maryland

(d)	Title of Class of Securities:  Common Stock

(e)	CUSIP Number:  16150R104


Item 3.

The Entity Filing is an Investment Adviser registered under
section 203 of the Investment Advisers Act of 1940.


Item 4.  Ownership:

(a)	Amount Beneficially Owned:  209,768 Shares

(b)	Percent of class: 5.6%

(c)	Number of Shares as to which such entity has:
(i)	Sole power to vote or to direct the vote: 209,768 Shares
(ii)	Shared power to vote or to direct the vote:  None
(iii)	Sole power to dispose or to direct the disposition of: 209,768 Shares.
(iv)	Shared power to dispose or to direct the disposition of:  None


Item 5.  Ownership of Five Percent or Less of a Class of Securities:
Not Applicable

Item 6.    Ownership of More Than Five Percent on Behalf of Another Person:

Not Applicable



CHASE CORPORATION
Cusip Number: 16150R104
Page 4 of 4


Item 7.    Identification and Classification of Subsidiaries
which acquired the security being reported on by the Parent
Holding Company:

Not Applicable


Item 8.    Identification and Classification of Members of the Group:

Not Applicable

Item 9.    Notice of Dissolution of Group:

Not Applicable

Item 10.  Certification:

By signing below I certify that, to the best of my knowledge
and belief, the securities referred to above were acquired in
the ordinary course of business and were not acquired for the
purpose of and do not have the effect of changing or influencing
the control of the issuer of such securities and were not acquired
in connection with or as a participant in any transaction having
such purposes or effect.

Signature

After reasonable inquiry and to the best of my knowledge
and belief, I certify that the information set forth in
this statement is true, complete and correct.

Dated this 25th day of January, 2005.

James Wilen

James Wilen, President
Wilen Management Company, Inc.