IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0248259
(2005-10-13)
|
등록번호 |
US-7503592
(2009-03-17)
|
우선권정보 |
FR-04 10868(2004-10-14) |
발명자
/ 주소 |
- Durieux,Christophe
- Tiberghien,Alain Christophe
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
4 인용 특허 :
5 |
초록
▼
The coupling (1) is for coupling a hose (T) to a mold (M). Its male portion has a male plug (6) for insertion into a female portion (2) of the quick coupling and for being locked therein by balls (11). A locking ring (10) for driving the balls (11) is movable relative to the male plug (6) between a
The coupling (1) is for coupling a hose (T) to a mold (M). Its male portion has a male plug (6) for insertion into a female portion (2) of the quick coupling and for being locked therein by balls (11). A locking ring (10) for driving the balls (11) is movable relative to the male plug (6) between a first position in which the balls (11) can be retracted radially inside the locking ring (10), and a second position in which the balls (11) are constrained to project laterally from the locking ring (10). The male plug (6) carries a visual indicator (13) which is at least partially uncovered when said locking ring (10) is in its second position, and that is masked by said locking ring (10) when said locking ring (10) is in its first position.
대표청구항
▼
The invention claimed is: 1. A quick coupling male portion for making a temporary junction between a hose (T) for conveying a cooling liquid to or from a duct (C) formed in a mold (M) that is to have the cooling liquid pass therethrough, the male portion comprising: a male plug for inserting in a f
The invention claimed is: 1. A quick coupling male portion for making a temporary junction between a hose (T) for conveying a cooling liquid to or from a duct (C) formed in a mold (M) that is to have the cooling liquid pass therethrough, the male portion comprising: a male plug for inserting in a female portion of the quick coupling, said male plug being pierced by a passage for the cooling liquid; moving balls for locking said male plug in said female portion; and a locking ring for driving said locking balls, said locking ring being movable relative to said male plug between a first position in which said locking balls can be retracted radially inside said locking ring and a second position axially offset from the first position in an insertion direction (F1) for inserting said male plug into said female portion in which said locking balls are constrained to project laterally from said locking ring, wherein said male plug carries a visual indicator that is at least partially uncovered when said locking ring is in the second position and that is masked by said locking ring when said locking ring is in the first position, said visual indicator being an indicator ring that is engaged on said male plug and that is of an appearance that is different from that of said male plug, and wherein said male plug includes an abutment for said indicator ring and a spring for urging said locking ring toward the second position while urging said indicator ring against said abutment. 2. A male portion according to claim 1, wherein said indicator ring is made of a polymer material. 3. A male portion according to claim 1, wherein said indicator ring guides said locking ring during sliding movement relative to said male plug and wherein said indicator ring is made of a material such that a coefficient of friction between the material of said locking ring and the material of said indicator ring is smaller than a coefficient of friction between the material of said locking ring and the material of said male plug. 4. A male portion according to claim 1, wherein said indicator ring is clipped onto a portion in relief of said male plug. 5. A male portion according to claim 4, wherein said indicator ring carries an internal radially-extending portion in relief for engaging in or on a complementary external peripheral portion in relief on said male plug and for being held stationary relative to said male plug by co-operation between the shapes of said internal radially-extending portion in relief and said external peripheral portion in relief. 6. A quick coupling for making a temporary junction between a hose (T) for conveying cooling liquid to or from a duct (C) formed in a mold (M) that is to have the cooling liquid pass therethrough, the quick coupling comprising: a female portion having at least one internal portion in relief suitable for enabling balls to be engaged therein so as to lock the coupling in a coupled-together position; and a male portion including: a male plug for inserting in said female portion of the coupling, said male plug being pierced by a passage for the cooling liquid; moving balls for locking said male plug in said female portion; and a locking ring for driving said locking balls, said locking ring being movable relative to said male plug between a first position in which said locking balls can be retracted radially inside said locking ring, and a second position axially offset from the first position in an insertion direction (F1) for inserting said male plug into said female portion in which said locking balls are constrained to project laterally from said locking ring, wherein said male plug carries a visual indicator that is at least partially uncovered when said locking ring is in the second position and that is masked by said locking ring when said locking ring is in the first position, said visual indicator being an indicator ring that is engaged on said male plug and that is of an appearance that is different from that of said male plug, and wherein said male plug includes an abutment for said indicator ring and a spring for urging said locking ring toward the second position while urging said indicator ring against said abutment. 7. A quick coupling according to claim 6, wherein said female portion carries a visual indicator of appearance that matches the appearance of said visual indicator ring carried by said male plug. 8. A system for making a temporary junction between a hose for conveying cooling liquid to or from a duct formed in a mold that is to have the cooling liquid pass therethrough, comprising: a mold having a duct for cooling liquid to pass therethrough; a hose attachable to said duct for conveying the cooling liquid; and a quick coupling, said quick coupling including: a female portion fitted to said mold and having at least one internal portion in relief suitable for enabling balls to be engaged therein so as to lock the coupling in a coupled-together position; and a male portion fitted to said hose and having: a male plug for inserting in said female portion of the coupling, said male plug being pierced by a passage for the cooling liquid; moving balls for locking said male plug in said female portion; and a locking ring for driving said locking balls, said locking ring being movable relative to said male plug between a first position in which said locking balls can be retracted radially inside said locking ring, and a second position axially offset from the first position in an insertion direction (F1) for inserting said male plug into said female portion in which said locking balls are constrained to project laterally from said locking ring, wherein said male plug carries a visual indicator that is at least partially uncovered when said locking ring is in the second position and that is masked by said locking ring when said locking ring is in the first position, said visual indicator being an indicator ring that is engaged on said male plug and that is of an appearance that is different from that of said male plug, and wherein said male plug includes an abutment for said indicator ring and a spring for urging said locking ring toward the second position while urging said indicator ring against said abutment. 9. A set of first and second couplings, each coupling comprising: a female portion having at least one internal portion in relief suitable for enabling balls to be engaged therein so as to lock the coupling in a coupled-together position; and a male portion including: a male plug for inserting in said female portion of the coupling, said male plug being pierced by a passage for the cooling liquid, moving balls for locking said male plug in said female portion, and a locking ring for driving said locking balls, said locking ring being movable relative to said male plug between a first position in which said locking balls can be retracted radially inside said locking ring, and a second position axially offset from the first position in an insertion direction (F1) for inserting said male plug into said female portion in which said locking balls are constrained to project laterally from said locking ring, wherein said male plug carries a visual indicator that is at least partially uncovered when said locking ring is in the second position and that is masked by said locking ring when said locking ring is in the first position, said visual indicator being an indicator ring that is engaged on said male plug and that is of an appearance that is different from that of said male plug, wherein said male plug includes an abutment for said indicator ring and a spring for urging said locking ring toward the second position while urging said indicator ring against said abutment, and wherein said female portion carries a visual indicator of an appearance that matches the appearance of the visual indicator ring carried by the corresponding male portion; wherein the visual indicators of the first coupling differs from the appearance of the visual indicators of the second coupling. 10. A quick coupling male portion for making a temporary junction between a hose (T) for conveying a cooling liquid to or from a duct (C) formed in a mold (M) that is to have the cooling liquid pass therethrough, the male portion comprising: a male plug for inserting in a female portion of the quick coupling, said male plug being pierced by a passage for the cooling liquid; moving balls for locking said male plug in said female portion; and a locking ring for driving said locking balls, said locking ring being movable relative to said male plug between a first position in which said locking balls can be retracted radially inside said locking ring and a second position axially offset from the first position in an insertion direction (F1) for inserting said male plug into said female portion in which said locking balls are constrained to project laterally from said locking ring, wherein said male plug carries a visual indicator that is at least partially uncovered when said locking ring is in the second position and that is masked by said locking ring when said locking ring is in the first position, said visual indicator being an indicator ring that is clipped onto a portion in relief of said male plug and that is of an appearance that is different from that of said male plug. 11. A male portion according to claim 10, wherein said male plug includes an abutment for said indicator ring and a spring for urging said locking ring toward the second position while urging said indicator ring against said abutment.
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