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US 6,634,291 B2Granted
Combination printing method for IMD hot press and injection molding application
AssigneeTaiyi Precision Tech Corp.
InventorJui Peng Huang
Life of this patent
Estimating the term…
Abstract
A combination printing method for IMD (In-Mold Decoration) hot press and injection molding application includes the steps of (1) offset printing; (2) color pattern offset printing; (3) primary screen printing; (4) primary baking; (5) secondary screen printing; (6) secondary baking; (7) hot pressing; (8) shape rolling; and (9) injection-molding.
Claims12
A combination printing method comprising the steps of:
- (a) offset printing a transparent heat sensitive bonding agent on a prepared single piece of film material;
- (b) color pattern offset printing a color printing on said bonding agent of said single film material;
- (c) primary screen printing compound ink prepared from a mixture of printing ink and bonding agent on said color printing of said single piece of film material through a silk screen and then drying by baking;
- (d) secondary screen printing an adhesive on said layer of compound ink of said single piece of film material;
- (e) hot pressing said printed single piece of film material in a steel die of a hot press to form a semi-finished product;
- (f) shape rolling said semi-finished product through a shape rolling machine;
- and
- (g) injection-molding said shape-rolled semi-finished product with plastics into a desired finished product.
5 more elements
A combination printing method comprising the steps of:
- (a) primary offset printing a transparent heat sensitive bonding agent on a prepared single piece of film material;
- (b) color pattern offset printing a color printing on said bonding agent of said single piece of film material;
- (c) posterior offset printing a compound ink prepared from a mixture of printing ink and bonding agent on said color printing of said single piece of film material and then drying by baking;
- (d) screen printing an adhesive on said layer of compound ink of said single piece of film material through a silk screen and then drying by baking;
- (e) hot pressing said printed single piece of film material in a steel die of a hot press to form a semi-finished product;
- (f) shape rolling said semi-finished product through a shape rolling machine;
- and
- (g) injection-molding said shape-rolled semi-finished product with plastics into a desired finished product.
5 more elements
Dependencies are inferred from the claim text.