KAYNAR TECHNOLOGIES INC
SC 13G, 1998-04-13
AIRCRAFT ENGINES & ENGINE PARTS
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                                  UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                  SCHEDULE 13G

                    Under the Securities Exchange Act of 1934

                            Kaynar Technologies Inc.
- --------------------------------------------------------------------------------
                                (Name of Issuer)

                                  Common Stock
- --------------------------------------------------------------------------------
                         (Title of Class of Securities)

                                    486605108
- --------------------------------------------------------------------------------
                                 (CUSIP Number)

                                December 31, 1997
- --------------------------------------------------------------------------------
             (Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this schedule
is filed:

         [X] Rule 13d-1(b)
         [ ] Rule 13d-1(c)
         [ ] Rule 13d-1(d)

         *The remainder of this cover page shall be filled out for a reporting
person's initial filing on this form with respect to the subject class of
securities, and for any subsequent amendment containing information which would
alter the disclosures provided in a prior cover page.

         The information required in the remainder of this cover page shall not
be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange
Act of 1934 ("Act") or otherwise subject to the liabilities of that section of
the Act but shall be subject to all other provisions of the Act (however, see
the Notes).


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                                  SCHEDULE 13G

CUSIP No. 486605108

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

         Chartwell Investment Partners       I.R.S. ID. No. 23-2891234
         -----------------------------------------------------------------------

2        CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP                (a) [ ]
                                                                         (b) [x]
- ----------------------------------------------------------------------
3        SEC USE ONLY

- ----------------------------------------------------------------------
4    CITIZENSHIP OR PLACE OF ORGANIZATION
         Pennsylvania
- --------------------------------------------------------------------------------
                                    5  SOLE VOTING POWER

NUMBER OF                                   196,200
SHARES                              --------------------------------------------
BENEFICIALLY                        6  SHARED VOTING POWER
OWNED BY
EACH                                        -0-
REPORTING                           --------------------------------------------
PERSON                              7  SOLE DISPOSITIVE POWER
WITH
                                            332,300
- --------------------------------------------------------------------------------
                                    8  SHARED DISPOSITIVE POWER

                                                     -0-
- --------------------------------------------------------------------------------
9        AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

                                            332,300
- --------------------------------------------------------------------------------
10       CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN
         SHARES                                                              [ ]

- --------------------------------------------------------------------------------
11  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

                                                     9.0%
- --------------------------------------------------------------------------------
12  TYPE OF REPORTING PERSON

                                                     IA
- --------------------------------------------------------------------------------


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Item 1.

         (a)      Name of Issuer:           Kaynar Technologies Inc.

         (b)      Address of Issuer's Principal Executive Offices:

                           500 N. State College Blvd
                           Suite 1000
                           Orange, CA 92868-1638

Item 2.

         (a)      Name of Person Filing:           Chartwell Investment Partners

         (b)      Address of Principal Business Office or, if none, Residence:

                                            1235 Westlake Drive
                                            Suite 330
                                            Berwyn, PA 19312-2412

         (c)      Citizenship:      Pennsylvania

         (d)      Title of Class of Securities:      Common Stock

         (e)      CUSIP Number:             486605108

Item 3.           If this statement is filed pursuant to Rule 13d-1(b), or
13d-2(b), check whether the person filing is a:

         (a)      [ ]      Broker or dealer registered under Section 15 of the
                           Act.
         (b)      [ ]      Bank as defined in section 3(a)(6) of the Act.
         (c)      [ ]      Insurance company as defined in section 3(a)(19) of
                           the Act.
         (d)      [ ]      Investment company registered under section 8 of the
                           Investment Company Act of 1940.
         (e)      [x]      An investment adviser in accordance with Section
                           240.13d-1(b)(ii)(E);
         (f)      [ ]      An employee benefit plan or endowment fund in
                           accordance with Section 240.13d-1(b)(1)(ii)(F);
         (g)      [ ]      A parent holding company or control person in
                           accordance with Section 240.13d-1(b)(ii)(G);
         (h)      [ ]      A savings association as defined in Section 3(b) of
                           the Federal Deposit Insurance Act;
         (i)      [ ]      A church plan that is excluded from the definition of
                           an investment company under section 3(c)(14) of the
                           Investment Company Act of 1940;
         (j)      [ ]      Group, in accordance with Section
                           240.13d-1(b)(1)(ii)(J).
         If this statement is filed pursuant to Section 240.13d-1(c), check this
         box [ ].


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Item 4.           Ownership

         The information in items 1 and 5-11 on the cover page (p. 2) of the
         statement on Schedule 13G is hereby incorporated by reference.

Item 5.           Ownership of Five Percent or Less of a Class.

         If this statement is being filed to report the fact that as of the date
         hereof the reporting person has ceased to be the beneficial owner of
         more than five percent of the class of securities, check the following
         [ ].

                           N/A

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

         Clients of the person filing, Chartwell Investment Partners, have the
         right to receive dividends from, and proceeds from the sale of, the
         securities reported herein.

Item 7.           Identification and Classification of the Subsidiary Which
                  Acquired the Security Being Reported on By the Parent Holding
                  Company

                           N/A

Item 8.           Identification and Classification of Members of the Group

                           N/A

Item 9.           Notice of Dissolution of Group

                           N/A

Item 10.          Certification

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


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                                    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: 04/09/98

                                          By: /s/Timothy J. Riddle
                                             -----------------------------------
                                          Name: Timothy Riddle
                                          Title: Partner


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