<SEC-DOCUMENT>0001104659-21-102941-index.html : 20210810 <SEC-HEADER>0001104659-21-102941.hdr.sgml : 20210810 <ACCEPTANCE-DATETIME>20210810170958 ACCESSION NUMBER: 0001104659-21-102941 CONFORMED SUBMISSION TYPE: DEFM14A PUBLIC DOCUMENT COUNT: 6 FILED AS OF DATE: 20210810 DATE AS OF CHANGE: 20210810 FILER: COMPANY DATA: COMPANY CONFORMED NAME: LYDALL INC /DE/ CENTRAL INDEX KEY: 0000060977 STANDARD INDUSTRIAL CLASSIFICATION: MOTOR VEHICLE PARTS & ACCESSORIES [3714] IRS NUMBER: 060865505 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: DEFM14A SEC ACT: 1934 Act SEC FILE NUMBER: 001-07665 FILM NUMBER: 211160975 BUSINESS ADDRESS: STREET 1: ONE COLONIAL RD STREET 2: P O BOX 151 CITY: MANCHESTER STATE: CT ZIP: 06045-0151 BUSINESS PHONE: 2036461233 FORMER COMPANY: FORMER CONFORMED NAME: COLONIAL BOARD CO DATE OF NAME CHANGE: 19700115 </SEC-HEADER> <DOCUMENT> <TYPE>DEFM14A <SEQUENCE>1 <FILENAME>tm2122466-2_defm14a.htm <DESCRIPTION>DEFM14A <TEXT> Document 1 - file: tm2122466-2_defm14a.htm
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</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>6 <FILENAME>tm2122466d2-proxy_02pagebw.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 6 - file: tm2122466d2-proxy_02pagebw.jpg
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