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US 9,073,242 B2Granted
Method and apparatus of injection molding
AssigneeKeter Plastic Ltd.
InventorEfraim Haimoff
Life of this patent
Estimating the term…
Abstract
A method for producing an article by injection molding, the method comprising molding a first type component of the article in a first mold plate of a first double-sided mold; substantially parallel to molding the first type component, molding a second type component of the article in a first mold plate of a second double-sided mold; substantially parallel to molding the first and the second type components, molding a welding seam bonding together a first type component positioned in a second mold plate of the first double-sided mold, and a second type component positioned in a second mold plate of the second double-sided mold.
Claims16
A method for producing an article by injection molding, the method comprising:
- (A) providing an injection molding production line (100), which comprises:
- (a) a stationary table (104) which includes a male mold plate (111);
- (b) a first rotating table (105) which includes first and second female mold plates (108);
- (c) a second rotating table (106) which includes first and second female mold plates (109);
- (d) a movable table (107) which includes a male mold plate (110);
- (e) a first plastic molding injector (101);
- (f) a second plastic molding injector (102);
- and (g) a third plastic molding injector (103);
- wherein the first rotating table (105) and the second rotating table (106) are adapted to rotate 180 degrees around a generally-vertical rotation axis, and are disposed between the stationary table (104) and the movable table (107);
- wherein the first and second female mold plates (108) in the first rotating table (105) are substantially identical to one another, and comprise a shape of a first component (113) comprised in the article;
- wherein the first and second female mold plates (109) in the second rotating table (106) are substantially identical to one another, and comprise a shape of a second component (112) comprised in the article;
- wherein the first and second components comprise mirror-image symmetry relative to one another;
- wherein the first rotating table (105) and the second rotating table (106) are adapted to be moved so that component-comprising first mold plate (108) in the first rotating table (105) mates together with component-comprising first mold plate (109) in the second rotating table (106);
- wherein the first rotating table (105) is adapted to move so that the second mold plate (108) mates together with male mold plate (111) comprised in the stationary table (104);
- wherein the second rotating table (106) is adapted to move so that the second mold plate (109) mates together with the male mold plate (110) comprised in the movable table (107);
- wherein the movable table (107) is adapted to move in order to the mate male mold plate (110) together with the second mold plate (109) comprised in the second rotating table (106);
- (B) positioning the tables (105, 106, 107, 108) in an open position facing one another on the production line (100);
- (C) moving the first rotating table (105) in order to mate the first mold plate (108) with the male mold plate (111) in stationary table (104);
- (D) moving the second rotating table (106) in order to mate the second mold plate (109) with the second mold plate (108) in the rotating table (105);
- (E) moving the movable table (107) in order to mate the male mold plate (110) with the first mold plate (109) in the second rotating table (106);
- (F) injecting plastic from the first plastic molding injector (101) into first mold (108) to form the first component (113);
- (G) injecting plastic from the third plastic molding injector (103) into first mold (109) to form the second component (112);
- (H) returning the tables (105, 106, 107, 108) to an open position;
- (I) rotating by 180 degrees, around said generally-vertical injection axis, the first rotating table (105), which comprises the first component (113) in the first mold plate (108);
- (J) rotating by 180 degrees, around said generally-vertical injection axis, the second rotating table (106), which comprises the second component (112) in the first mold plate (109);
- (K) moving the first rotating table (105) in order to mate the second mold plate (108) with the male mold plate (111) in the stationary table (104);
- (L) moving the second rotating table (106) in order to mate (a) the first mold plate (109) which comprises the second component (112), with (b) the first mold plate (108) which comprises the first component (113);
- (M) moving the movable table (107) in order to mate the male mold plate (110) with the second mold plate (109) in the second rotating table (106);
- (N) injecting plastic from the first plastic molding injector (101) into the first mold (108) to form a new first component (113);
- (O) injecting plastic from the third plastic molding injector (103) into the first mold (109) to form a new second component (112);
- (P) injecting plastic from the second plastic molding injector (102) into the first mold plates (108, 109) to form a welding seam that is structured as a rectangular welding seam frame containing therein a cross-shaped welding seam, thereby bonding together the first and second components (112, 113) and forming the article.
28 more elements
An apparatus for producing an article by injection molding, the apparatus comprising:
- (A) an injection molding production line (100), which comprises:
- (a) a stationary table (104) which includes a male mold plate (111);
- (b) a first rotating table (105) which includes first and second female mold plates (108);
- (c) a second rotating table (106) which includes first and second female mold plates (109);
- (d) a movable table (107) which includes a male mold plate (110);
- (e) a first plastic molding injector (101);
- (f) a second plastic molding injector (102);
- and (g) a third plastic molding injector (103);
- wherein the first rotating table (105) and the second rotating table (106) are adapted to rotate 180 degrees around a generally-vertical rotation axis, and are disposed between the stationary table (104) and the movable table (107);
- wherein the first and second female mold plates (108) in the first rotating table (105) are substantially identical to one another, and comprise a shape of a first component (113) comprised in the article;
- wherein the first and second female mold plates (109) in the second rotating table (106) are substantially identical to one another, and comprise a shape of a second component (112) comprised in the article;
- wherein the first and second components comprise mirror-image symmetry relative to one another;
- wherein the first rotating table (105) and the second rotating table (106) are adapted to be moved so that component-comprising first mold plate (108) in the first rotating table (105) mates together with component-comprising first mold plate (109) in the second rotating table (106);
- wherein the first rotating table (105) is adapted to move so that the second mold plate (108) mates together with male mold plate (111) comprised in the stationary table (104);
- wherein the second rotating table (106) is adapted to move so that the second mold plate (109) mates together with the male mold plate (110) comprised in the movable table (107);
- wherein the movable table (107) is adapted to move in order to the mate male mold plate (110) together with the second mold plate (109) comprised in the second rotating table (106);
- wherein the injection molding production line (100) is to perform the following steps:
- (B) positioning the tables (105, 106, 107, 108) in an open position facing one another on the production line (100);
- (C) moving the first rotating table (105) in order to mate the first mold plate (108) with the male mold plate (111) in stationary table (104);
- (D) moving the second rotating table (106) in order to mate the second mold plate (109) with the second mold plate (108) in the rotating table (105);
- (E) moving the movable table (107) in order to mate the male mold plate (110) with the first mold plate (109) in the second rotating table (106);
- (F) injecting plastic from the first plastic molding injector (101) into first mold (108) to form the first component (113);
- (G) injecting plastic from the third plastic molding injector (103) into first mold (109) to form the second component (112);
- (H) returning the tables (105, 106, 107, 108) to an open position;
- (I) rotating by 180 degrees, around said generally-vertical injection axis, the first rotating table (105), which comprises the first component (113) in the first mold plate (108);
- (J) rotating by 180 degrees, around said generally-vertical injection axis, the second rotating table (106), which comprises the second component (112) in the first mold plate (109);
- (K) moving the first rotating table (105) in order to mate the second mold plate (108) with the male mold plate (111) in the stationary table (104);
- (L) moving the second rotating table (106) in order to mate (a) the first mold plate (109) which comprises the second component (112), with (b) the first mold plate (108) which comprises the first component (113);
- (M) moving the movable table (107) in order to mate the male mold plate (110) with the second mold plate (109) in the second rotating table (106);
- (N) injecting plastic from the first plastic molding injector (101) into the first mold (108) to form a new first component (113);
- (O) injecting plastic from the third plastic molding injector (103) into the first mold (109) to form a new second component (112);
- (P) injecting plastic from the second plastic molding injector (102) into the first mold plates (108, 109) to form a welding seam that is structured as a rectangular welding seam frame containing therein a cross-shaped welding seam, thereby bonding together the first and second components (112, 113) and forming the article.
29 more elements
Dependencies are inferred from the claim text.