tears run dry

专利名称：MECHANISMFORPRODUCINGTEARSTRIPS

发明人：DEREKHENRYYOUNGMAN,ROBERT

WILLIAMDAVIES

申请号：US3502536D

申请日：19651108

公开号：US3502536A

公开日：19700324

专利内容由知识产权出版社提供

摘要：1,132,ORGANISATIONLtd.,AN,andR.

.9Nov.,1965[10Nov.,1964],No.45784/tusfor

producingtear-stripsfromanelongateweb1,Fig.1,ofmaterialofwidthequaltothe

desiredlengthofthetear-stripstobeproduced,comprisfeedrollers3toadvancethe

webbetweenapairofknives5,7,operabletransverlyofthedirectionofadvanceof

theweb,d

rollersoperateincrementallytoadvanceanappropriateamountoftear-stripmaterial.

Theknife7effectsaprogressivecut,startingatthedownstreamedgeoftheweb

(relativetotheconveyermovement).Asitisveredthestripisblownupwardsbyanair-

blastfromaperturesintheuppersurfaceoftheknife7,whicharesupplied,viaapipe12,

heknife7isthelowerrun13,Fig.2,ofanair-pervious

conveyerbelt14arrangedwithasuctionbox16,sothattheveredstripisheldagainst

erweb17isfedfromareel18,aroundaguideroller19andis

r23

ondsimilarembodiment,thewrappermaterialis

appliedabovethetear-strip,andcuttingiffectedbyapivotedscissorstypeblade.A

suctiondrummaybeudinplaceoftheperviousbelt,inwhicheathefixedand

atively,an

electrostaticchargemaybedirectlyappliedto,conveyerbelt,oranylonbelt

mayacquiresufficientcharge,asaresultofmovement,tocauadherenceofthe

ermittentincremental

movementoftherollers,whichfeedthetear-stripweb,maybeobtainedbyasystemof

ratchetsandpawls,fineadjustmentbeingeffectedbyreleasingtheupperrollerby

operationofahandle,camsandbell-crankleverarrangement.

申请人：MOLINSORGANIZATIONLTD.:THE

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