US1237352A - Impressing celluloid. - Google Patents
Impressing celluloid. Download PDFInfo
- Publication number
- US1237352A US1237352A US14602317A US14602317A US1237352A US 1237352 A US1237352 A US 1237352A US 14602317 A US14602317 A US 14602317A US 14602317 A US14602317 A US 14602317A US 1237352 A US1237352 A US 1237352A
- Authority
- US
- United States
- Prior art keywords
- celluloid
- sheet
- block
- plate
- holder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14778—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the article consisting of a material with particular properties, e.g. porous, brittle
- B29C45/14811—Multilayered articles
Definitions
- This invention relates to an improved method of impressing, lettering or designs in or on celluloid, in sheet form whereby the finish and appearance of the product are greatly improved in comparison with similar articles as heretoforeproduced.
- a suitably engraved metal block is put in a sultable holder, the sheet'of celluloid is placed'on the block surface and a metallic plate or overlay is placed on the celluloid so that the celluloid is between the block and the metallic plate or overlay, the whole lbeing held in the holder by any suitablemeans.
- the holder and its contents are then subjected to heat- ⁇ the whole being held firmly together by said holder to prevent the heat from curling or warping the celluloid sheet,
- The.. lettering or design which has thus been impressed in the celluloid is next ⁇ if required, coated or filled with the desired color, and any superfluous color rubbed or round olf or the coloring matter may have een previously applied to the block by means of an inking roller or the like, before the block is put in the holder, in which case the lettering or design in the celluloid may require no further treatment.
- Fig. 2 shows the block sheet and, plate transferred to a press.
- a Fig. 3 shows vin section the impressed celluloid sheet with color filling.
- l a represents the engraved block
- b the cel'- luloid sheet
- c the superposed ⁇ lmetal plate.
- d is lthe holder ande the press.
- f' represents theV color lling.
- a method of 4forming impressions on ⁇ celluloid consisting in' placing a sheet of celluloid between a-n engraving block and a metal plate; placing said sheet of celluloid, en raving block and metal plate ina holder, heating the same to render the celluloid plastic and subsequently subjecting said sheet of celluloid to pressure between said block and plate in a press.
- the herein described method of formingimpressions on a sheet of celluloid which consists first in placing a sheet of celluloid between an engravin block and, a metal plate: second, in placlng said block, celluloid sheet and plate in a holder and holding the three firmly together; third, in heating said block, celluloid sheet and metal plate while still held in contact with each other by said holder, whereby said celluloid sheet is rendered plastic; and fourth in placing said block, celluloid sheet and plate ill in contact with each otherand while said celluloid sheet is in a plastic state in .a press and subjecting them to pressure therein.
- the hereimdcribed method of forming impressions on a sheet-of celluloid which consists first in placing a sheet of celluloid between an engraving block and a metal plate; second, in placing said block, celluloid sheet and plate in a' holder and holding the three firmly together; third, in heating said block, celluloid sheet and metal plate while still held in Contact with each other by said holder, whereby said celluloid sheet is rendered plastic; and fourth in placing said block, celluloid sheet and plate still incontact with each other and while saidv celluloid sheet is in a plastic State in a.
- a method of forming impressions on celluloidk consisting in placing a sheet of celluloid between jan engraving block and a metal plate: placing said sheet of celluloid, engraving block and metal plate in a lolielyheating the same to render the celluo1 said s eet v,of celluloid to pressure between said block and plate in a press. the impressions in the celluloid being subsequently filled with co'lor, substantially as described.
Description
F. G. LUNDI L I. IVICIVHLLAN.
IMPRESSING GELLULOID.
APPLlcATloN FILED FEB.I.1917.
1,237,352. Mmm@ Aug. 21, 1917.
FBEDEBICO GEO. LUNDI AND OHN MGMILLAN, OF NEWCASTLE-UPON-TYNE, ENGLAND.
IMPBESSING CLLULOID.
. Spccication ofLcttex-s :Patent yPatented AugigZl, 1917.
Application led February 1, 1917. Serial No. 146,023.
y ToaZZ/whom'itmayconcem:
Be it known that we, FREDERIco GEORGE LUNDI and J ons MCMILLAN, subJects of the King of England, residing at Newcastle-- upon-Tyne, in England, have invented certain new and useful Improvements in I'mpressing Celluloid, of which `the following is a specification. y
`This invention relates to an improved method of impressing, lettering or designs in or on celluloid, in sheet form whereby the finish and appearance of the product are greatly improved in comparison with similar articles as heretoforeproduced.
According to our method a suitably engraved metal block is put in a sultable holder, the sheet'of celluloid is placed'on the block surface and a metallic plate or overlay is placed on the celluloid so that the celluloid is between the block and the metallic plate or overlay, the whole lbeing held in the holder by any suitablemeans.
The holder and its contents are then subjected to heat-` the whole being held firmly together by said holder to prevent the heat from curling or warping the celluloid sheet,
which, if it should become warped, fwould allow air to enter between said celluloidl sheet and the metal plate and when, subsequently, pressure was imparted to the celluloid and block by the plate in a press, a certain amount of air might be left between the celluloid sheet and met-al plate which would cause air bubbles and interfere with the nicety of the impression on the celluloid made by the engraving block. Afterl the celluloid has been rendered lastc by heat, the engraving block, cellu oid sheet and metal plate are placedin a press and the impression made without 4further' application of heat.
The.. lettering or design which has thus been impressed in the celluloid is next` if required, coated or filled with the desired color, and any superfluous color rubbed or round olf or the coloring matter may have een previously applied to the block by means of an inking roller or the like, before the block is put in the holder, in which case the lettering or design in the celluloid may require no further treatment.
The method is illustrated in the annexed drawing in which Figure 1 represents in section the engraved block, the celluloid sheet,
and themetal plate carried in -a suitable holder. 4
'sire to secure by `United States is:-
Fig. 2 shows the block sheet and, plate transferred to a press.
A Fig. 3 shows vin section the impressed celluloid sheet with color filling. l a represents the engraved block, b the cel'- luloid sheet and c the superposed `lmetal plate. d is lthe holder ande the press. f' represents theV color lling.
We are aware that it is well known that in order to impress lettering or designs on celluloid, the celluloid must be brought by the application of heat to the desired plastic state to take the impression from a matrix or engraved block.
This `has been heretofore effected by using aspecially constructed press in which the pressure members are heated by steam 4 or the like and the necessary heat is provided at the time the impression is made. Our method which is principally intended for obtaining celluloid articles with finely impressed letters or designs thereon anale-.- gous to finely engraved lettersor designs 'differs from these known methods by the 80 fact' that the celluloid the engraving block and the metal plate are heated to the desired state before being placed in the press so that a press of ordinary construction will serve for obtaining the impression. The degree of heat given to the celluloid can be better controlled, and the celluloid is brought to the proper heat and plasticity before the pressure is applied. v
What wek claim as our vinvention and de- Letters Patent ofthe 1. A method of 4forming impressions on `celluloid consisting in' placing a sheet of celluloid between a-n engraving block and a metal plate; placing said sheet of celluloid, en raving block and metal plate ina holder, heating the same to render the celluloid plastic and subsequently subjecting said sheet of celluloid to pressure between said block and plate in a press.
2. The herein described method of formingimpressions on a sheet of celluloid which consists first in placing a sheet of celluloid between an engravin block and, a metal plate: second, in placlng said block, celluloid sheet and plate in a holder and holding the three firmly together; third, in heating said block, celluloid sheet and metal plate while still held in contact with each other by said holder, whereby said celluloid sheet is rendered plastic; and fourth in placing said block, celluloid sheet and plate ill in contact with each otherand while said celluloid sheet is in a plastic state in .a press and subjecting them to pressure therein. M
3. The hereimdcribed method of forming impressions on a sheet-of celluloid which consists first in placing a sheet of celluloid between an engraving block and a metal plate; second, in placing said block, celluloid sheet and plate in a' holder and holding the three firmly together; third, in heating said block, celluloid sheet and metal plate while still held in Contact with each other by said holder, whereby said celluloid sheet is rendered plastic; and fourth in placing said block, celluloid sheet and plate still incontact with each other and while saidv celluloid sheet is in a plastic State in a.
ress .and subjecting them to preure there- 1n without further application of heat.
4. The herein described method of forming impressions on a sheet of celluloid which consists, rst, in placing a sheet of celluloid between an engraving block and a' metal plate, said metal platte having a plane surface adjacent to said celluloid sheet; second,
in placing said block, celluloid sheet and plate in a holder and holding the three firmly together, with the entire surface of said celluloid sheet contacting with the plane surface of said metal plate third, in heating said block, celluloid sheet and metal late while still held in contact with each other by said holder, whereby said celluloid sheet is rendered lastic; fourth. in placing said block, celluloid sheet and" plate still in contact with each other and while saidvcelluloid plate is ina plastic state in a press and sub- ]ecting them to pressure therein.
5. A method of forming impressions on celluloidk consisting in placing a sheet of celluloid between jan engraving block and a metal plate: placing said sheet of celluloid, engraving block and metal plate in a lolielyheating the same to render the celluo1 said s eet v,of celluloid to pressure between said block and plate in a press. the impressions in the celluloid being subsequently filled with co'lor, substantially as described.
n Witness whereof we have signed this specification in the presence of two wit-y messes.
F. GEO. LUNDI. JOHN MCMILLAN.
Witnesses: 'i i l FRED. H. BELL, y Y H. W. Pnaoocx. y
lastic and subsequently subjecting
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14602317A US1237352A (en) | 1917-02-01 | 1917-02-01 | Impressing celluloid. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14602317A US1237352A (en) | 1917-02-01 | 1917-02-01 | Impressing celluloid. |
Publications (1)
Publication Number | Publication Date |
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US1237352A true US1237352A (en) | 1917-08-21 |
Family
ID=3305171
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US14602317A Expired - Lifetime US1237352A (en) | 1917-02-01 | 1917-02-01 | Impressing celluloid. |
Country Status (1)
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US (1) | US1237352A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3497576A (en) * | 1969-03-17 | 1970-02-24 | Bausch & Lomb | Method for permanently imprinting an identification mark in the surface of a heat-softenable material |
-
1917
- 1917-02-01 US US14602317A patent/US1237352A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3497576A (en) * | 1969-03-17 | 1970-02-24 | Bausch & Lomb | Method for permanently imprinting an identification mark in the surface of a heat-softenable material |
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