Patent US5178392A successfully refreshed from Google Patents.
US5178392A
Expired / Lapsed
US
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Golf club head
Assignee: TaylorMade Golf Co Inc
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Filing: 1991-01-31
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Granted: 1993-01-12
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Expires: 2011-01-31
Abstract
Abstract A golf club head containing a filling orifice (6) designed for filling an interior cavity (4) with a foaming material (5). The orifice (6) is sealed with an element (7) allowing selective permeability and comprising at least one wall (71) forming the interface between the interior cavity (4) and the outside and through which only gas molecules can excape from the interior cavity (4) to the outside under the pressure exerted by the volume of the foaming material during injection and during its expansion after injection.
Inventors
- 👤 Jacky Santioni
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:20
CPC Classifications
A; A63; A63B; A63B53/00; A63B53/04; A63B53/0466; A63B60/00; B; B29; B29C; B29C44/00; B29C44/34; B29C44/58; B29C44/581; B29C44/588; B29L; B29L2031/00; B29L2031/52; B29L2031/5227; Y; Y10; Y10S; Y10S273/00; Y10S273/14
Claims Analysis
Total Claims: 29
Claim 1
Independent Claim
93 words
Golf club head containing a filling orifice (6) for filling an interior cavity (4) with a foaming material (5), wherein said filling orifice (6) is sealed by an element (7) allowing selective permeability and comprising at least one wall (71) forming an interface wall between said interior cavity (4) and an exterior of said gold club head, said element (7) permitting only gas molecules to escape from said interior cavity (4) to said exterior under pressure exerted by a volume of foaming material during injection and expansion of said foaming material after injection.
Claim 2
Dependent Claim
93 words
Golf club head containing a filling orifice (6) for filling an interior cavity (4) with a foaming material (5), wherein said filling orifice (6) is sealed by an element (7) allowing selective permeability and comprising at least one wall (71) forming an interface wall between said interior cavity (4) and an exterior of said gold club head, said element (7) permitting only gas molecules to escape from said interior cavity (4) to said exterior under pressure exerted by a volume of foaming material during injection and expansion of said foaming material after injection.
Claim 3
Dependent Claim
24 words
Golf club head according to claim 1, wherein said filling orifice (6) is located on a surface (9) constituting a tip of said head.
Claim 4
Dependent Claim
28 words
Golf club head according to claim 1, wherein a part of said interface wall (71) extending within said interior cavity (4) has a conical shape of spherical section.
Claim 5
Dependent Claim
19 words
Golf club head according to claim 1, wherein said element (7) allowing selective permeability comprises an annular recess (72).
Claim 6
Dependent Claim
14 words
Golf club head according to claim 1, wherein said head is a wood-type head.
Claim 7
Dependent Claim
14 words
Golf club head according to claim 1, wherein said head is an iron-type head.
Claim 8
Dependent Claim
14 words
Golf club head according to claim 1, wherein said head is a putter head.
Claim 9
Dependent Claim
20 words
Golf club head according to claim 1, comprising an upper portion with a neck (2) connected to a shaft (3).
Claim 10
Dependent Claim
18 words
Golf club head according to claim 8, wherein said filling orifice (6) is located in said neck (2).
Claim 11
Dependent Claim
26 words
Golf club head according to claim 1, wherein a part of said interface wall (71) extending within said interior cavity (4) has a hemispherical dome shape.
Claim 12
Dependent Claim
28 words
Golf club head according to claim 10, wherein said interface wall (71) extend within said interior cavity (4) and a second interior cylindrical wall forms a tube (73).
Claim 13
Dependent Claim
26 words
Golf club head according to claim 11, wherein said tube (73) comprises an end area having a narrowed frustoconical section extending within said interior cavity (4).
Claim 14
Dependent Claim
17 words
Golf club head according to claim 1, wherein said foaming material (5) is an expanded duroplastic foam.
Claim 15
Dependent Claim
16 words
Golf club head according to claim 13, wherein said foaming material (5) is an expanded polyurethane.
Claim 16
Dependent Claim
26 words
Golf club head according to claim 1, wherein said interface wall (71) is made of porous material having average pore diameters of less than 50 microns.
Claim 17
Dependent Claim
21 words
Golf club head according to claim 15, wherein said interface wall (71) is composed of a pellet made of sintered plastic.
Claim 18
Dependent Claim
21 words
Golf club head according to claim 15, wherein said interface wall (71) is composed of a pellet made of sintered metal.
Claim 19
Dependent Claim
43 words
golf club head according to claim 15, wherein said element (7) allowing selective permeability is enclosed by a ring made of an elastic deformable material (75) forming a shoulder designed for elastically interlocking said ring on edges (61) of said filling orifice (6).
Claim 20
Dependent Claim
17 words
Golf club head according to claim 15, wherein said interface wall (71) comprises stacked layers of fibers.
Claim 21
Dependent Claim
13 words
Golf club head according to claim 19, wherein said fibers are textile fibers.
Claim 22
Dependent Claim
13 words
Golf club head according to claim 19, wherein said fibers are cellulose fibers.
Claim 23
Dependent Claim
19 words
Golf club head according to claim 1, wherein said interface wall (71) is made of an elastic, deformable material.
Claim 24
Dependent Claim
26 words
Golf club head according to claim 22, wherein at least one hole having a diameter of less than 0.5 millimeter passes through said interface wall (71).
Claim 25
Dependent Claim
18 words
Golf club head according to claim 22, wherein said wall (71) comprises at least one groove (71a, 71b).
Claim 26
Dependent Claim
23 words
Golf club head according to claim 24, wherein said wall (71) comprises two grooves (71a, 71b) having substantially the shape of a cross.
Claim 27
Dependent Claim
25 words
Golf club head according to claim 25, wherein edges of each of said grooves (71a, 71b) have an average separation of less than 0.5 millimeter.
Claim 28
Dependent Claim
18 words
Golf club head according to claim 22, wherein said interface wall (71) is made of a plastic material.
Claim 29
Dependent Claim
39 words
Golf club head according to claim 27, wherein said interface wall (71) is made of a material chosen from the group consisting of thermoplastic polyurethanes, polyamides and polyamide copolymers, vinyl polychlorides, butadiene styrene acrylonitrile, or polyethylene and polyethylene copolymers.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1996-01-12 | 1996-07-13 | 1997-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2000-01-12 | 2000-07-13 | 2001-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2004-01-12 | 2004-07-13 | 2005-01-12 | $7700.00 | Window Closed / Lapsed |