USE OF A MULTI-START SCREW THREAD IN AN EX-D HOUSING

The invention relates to a field device of automation technology, including a housing with an opening for accommodating field device components, wherein the housing has at an edge of the opening a first screw thread, a lid for closing the opening of the housing, wherein the lid has at an edge of the...

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Bibliographic Details
Main Authors Krumbholz Andreas, Schmidt Robert
Format Patent
LanguageEnglish
Published 05.04.2018
Subjects
CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
PRINTED CIRCUITS
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Summary:The invention relates to a field device of automation technology, including a housing with an opening for accommodating field device components, wherein the housing has at an edge of the opening a first screw thread, a lid for closing the opening of the housing, wherein the lid has at an edge of the lid a second screw thread, wherein the first and second screw threads are embodied to be complementary to one another, so that the housing after closing by means of the lid fulfills all Ex-d requirements, wherein the first and second screw threads are embodied as multi-start screw threads.
Bibliography:Application Number: US201615567821