<SEC-DOCUMENT>0001079810-11-000005.txt : 20110831
<SEC-HEADER>0001079810-11-000005.hdr.sgml : 20110831
<ACCEPTANCE-DATETIME>20110831172100
ACCESSION NUMBER:		0001079810-11-000005
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20110831
FILED AS OF DATE:		20110831
DATE AS OF CHANGE:		20110831

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			ROSENBAUM LEONARD A
		CENTRAL INDEX KEY:			0001116579

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-16525
		FILM NUMBER:		111069148

	MAIL ADDRESS:	
		STREET 1:		1881 LAKELAND AVENUE
		CITY:			RONICONKOMA
		STATE:			NY
		ZIP:			11779

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CVD EQUIPMENT CORP
		CENTRAL INDEX KEY:			0000766792
		STANDARD INDUSTRIAL CLASSIFICATION:	SPECIAL INDUSTRY MACHINERY, NEC [3559]
		IRS NUMBER:				112621692
		STATE OF INCORPORATION:			NY
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1860 SMITHTOWN AVE
		CITY:			RONKONKOMA
		STATE:			NY
		ZIP:			11779-7321
		BUSINESS PHONE:		6319817081

	MAIL ADDRESS:	
		STREET 1:		1860 SMITHTOWN AVE
		CITY:			RONKONKOMA
		STATE:			NY
		ZIP:			11779-7321
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0304</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2011-08-31</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000766792</issuerCik>
        <issuerName>CVD EQUIPMENT CORP</issuerName>
        <issuerTradingSymbol>CVV</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001116579</rptOwnerCik>
            <rptOwnerName>ROSENBAUM LEONARD A</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O CVD EQUIPMENT CORPORATION</rptOwnerStreet1>
            <rptOwnerStreet2>1860 SMITHTOWN AVE.</rptOwnerStreet2>
            <rptOwnerCity>RONKONKOMA</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>11779</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>CEO, President</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2011-08-31</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>7200</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>19.15</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1255730</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2011-08-31</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>18.67</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1254730</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">This price represents the weighted average purchase price for multiple transactions reported on this line. The per share prices of the transactions on this line ranged from $18.35 to $19.15. Upon request by the SEC staff, the Issuer or a security holder of the Issuer, the Reporting Person will undertake to provide full information regarding the number of shares and prices at which the transactions were effected. These sales were made pursuant to a 10b5-1 Plan.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Leonard A. Rosenbaum</signatureName>
        <signatureDate>2011-08-31</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
