🦷Tooth,_Brush_manufactoring Data☑️.pptx

Toothbrush manufacturing process

1. • MANUFACTURING PROCESS TOOTH BRUSH Coimbatore Institute of Technology Sandwich Polytechnic College By : Ragul Kumaran

2. • .. • M a t e r i a l H a ndles - Polypropylene is a tough, rigid and cryst a lline t h ermopl a stic produc e d from • . propene (or pro p ylen e ) monome r . I t is a l i near hydrocarbon r e s i n . f H H H H I I I H I --.wl " c - 9 " 6 1 " H I H I H CH CH P o l ypropylene i s a mong t h e cheapest p l a st i cs a vail a b l e tod a y . . · Common propert i es of Po l ypropylene • " Tough Good chem i ca l , he a t a nd f a tigue res i sta nce Tr a nsl u cent Sem i -ri g i d .. H I I I H H I H C " I CH n J , - ?' - 6 I H I CH CH

3. Widely used in : - automotive & transportation, electrical & electronics, consumer goods, packaging and many more T OUGHNESS ABRASION ' STRONG LIGHTWE I GHT

4. Babylon i ans chew on the end of tw i gs unt i l they become soft l i ke the br i stles on a toothbrush A toothbrush made of st i ff p i g ha i rs attached to bamboo or bone is i nvented i n Ch i na The toothbrush is mass-produced i n England The toothbrush was made with a small animal bone and bristles i nserted through drilled holes Nylon replaces animal ha i r on toothbrushes. People prefer nylon because i s softer and more hyg i en i c Sw i tzerland i nvents the first e l ectri c toothbrush The electr i c toothbrush (called the Broxodent ) i s i ntroduced i n the Un i ted States General electric i s the first to market a toothbrush that i s rechargeab l e and cord l ess.

5. INTERESTING T OOTHBRUSH F A The first mass-produced toothbrush was made by W illiam Addis of Clerkenwald, Eng l and around 178 . The first American to patent a toothbrush was H.N W adsworth on Nov 7, 1 857. Mass production of toothbrushes began in America around 188 5 . One of the first electric toothbrushes to hit the American market was in 1960 and was marketed by the Squibb company under the name Broxodent. E l ectri c toothbrush N l on toot h brush "' . . " chew st i ck"

6. I NJECTION MOULD I NG P ACKI NG THE T OOTHBRUSH F I LLING MACH I NE TR I MMING THE BRI STLE

7. I nject i on Mould i ng F i lling mach i ne T r i mmi ng the Br i st l es Pack i ng the toothbrush P l astic put inside i njection mo l d i ng machine and be heate d . Rotating screw force l i qu i d p l ast i c i nto handle mods Form ent i re handles w i th hole s . C l amp securely mods wi th pressure wh i le wi ts plastic co l d and then removed. Small pins push the handle out of the mods. 1. Brist l es (made from ny l on) pos i t i on i nto core(holes) automatically. 2. Brist l es stapled i n i nto the holes by t i ny metal staples. 1. The toothbrush passes through tr i mm ing machine which s li ces the br i stles i nto accurate di mensi on accord i ng to specific des i g n . T o o thbrush packed i n to a cardboard or plastic conta i ner accord i ng to i t specificat i on. = = From t h at the p ackage been attac h ed by an informat i ve i nformat i on l i kes br i st l e s , hardness, and rec o mmendat i on usage. The toothbrush that gets appr o vement from Ameri can Dental Associat i o n , i t w i ll be stamped by i t seal of acce ta n ce on the P-ackag e . I t i s then p ack in a l arge bund l e and been ship to the d i str i butors.

8. B i o l o g y-Study of l i v i ng or g an i sm Bacter i a cause tooth decay which lead to i llness(p l aque) Plaque i s sti cky fi l m that bui l d up on teeth from m i llion of oral bacteria • They convert sugars and carbohydrate i n food i nto aci d . These acids erode the tooth ename l , lead to tooth decay A pplication of product For oral hea l t h , toothbrush i s the first line of defense. How T oothbr u sh H e l p When brush correct l y , t h e p l aque and bacter i a bu i l d up are e l i m i n ate d , preve n t g um d i sease and tooth decay Promote s tron g er i mmu n e system and hea l th ier l i festy l e as well as bu i l d co n f i dence I E .LTllY TOOTl-4

9. T H A N K Y O U