JPS61143081A - Production of mit for baseball - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed Description of the Invention] <Industrial Application Field> The present invention relates to an improvement in the manufacturing method of baseball gloves, gloves, etc., and is particularly concerned with improvements in the manufacturing method of baseball gloves, gloves, etc. This prevents the ball from falling off and prevents the ball from being worn out due to impact.

<Prior art> Baseball catching tools such as baseball gloves, gloves, and first gloves made using conventional manufacturing methods catch the ball at the ball catching part at the base of the ball catching surface leather, around the ball catching part, or at the web part. When catching a ball, there was a risk that the ball would slip when in contact with the surface of the ball-catching surface leather, resulting in a fumble or falling ball, so the entire base of the ball-catching surface leather, or the entire surface of the base and part of the fingers, etc. A method has been proposed in which a large number of concave or convex portions are formed by heating and embossing to prevent the caught ball from slipping.

However, the ball catching tool manufactured by the above method uses an anti-slip convex part or a concave part molded from the entire base of the outer leather part of the ball catching surface leather, or from the entire surface of the base to a part of each finger part. Not only will it gradually disappear due to internal restoration or wear, and will lose its anti-slip effect, but the ball-catching area of the ball-catching surface leather with the above-mentioned protrusions or depressions will be heated and embossed, so it will not only lose its anti-slip effect. When heated, natural leather loses its unique flexibility (hardens) and shrinks and deforms when heated, deteriorates and cracks, so it is desirable as a ball-catching tool to catch the ball by wrapping it around the ball with its flexibility. In addition, multiple perforations arranged in a radial, petal-like, or impeller-like manner, mainly in the ball-catching part of the outer leather of the ball-catching surface leather, may not only make it difficult to handle, but also shorten its service life. Each convex part of the rubber-like thin plate interposed between the outer leather part of the ball-catching surface leather is fitted into the through hole, and the circumferential side of each of the protruding parts and the cut surface of each through hole of the outer leather part are connected to each other. A baseball catching tool was proposed that was manufactured by bonding the two together with adhesive. However, since the surface leather of the ball-catching surface of this ball-catching tool is flexible and thin, each of the punched through holes is easily deformed, resulting in gaps between each of the through holes and each of the rubber-like protrusions. However, since the bonding area between the cut surface of each of the through holes and the circumferential surface of each rubber-like convex portion is extremely small and it is impossible to apply pressure to the bonded surface, the bonding condition is extremely incomplete. In addition, the flexibility of each convex part of the outer leather and the rubber thin plate is different, that is, the degree of bending of the two is different, so these joints are likely to peel off. Where these joints have peeled off, sand, etc. can damage the outer leather of the human ball catching surface.
There were defects that significantly shortened its service life.

Furthermore, instead of the above-mentioned ball catching tool for baseball, there is a radial pattern mainly on the ball catching part of the outer leather part of the ball catching surface leather of the baseball catching tool.
A plurality of holes of any shape arranged in the shape of petals or impellers are bored, and a liquid polyurethane compound or the above-mentioned leather which is rich in anti-slip properties, flexibility and abrasion resistance is formed in each hole. When the liquid rubber-like elastic body part is reaction-molded without using an adhesive, it penetrates and fills the cut surface and inner surface of each through hole (both have rough surfaces with no silver surface). A method of manufacturing a ball catching tool for baseball is proposed, which is characterized in that each rubber-like elastic body part and the cut-out surface and inner surface of each through-hole in a leather part are integrally molded in close contact with each other. However, in the ball catching tool according to the method for manufacturing a ball catching tool for baseball, a pre-formed filling member is fitted into a relatively small through hole provided in the ball catching surface leather, or a preformed filling member is fitted into a relatively large through hole. When a liquid polyurethane compound, etc. is injected into the cut surface and gap of a through-hole, the solvent in the liquid polyurethane compound evaporates after filling, which causes volumetric shrinkage of the molded product. Defects that reduce the degree of close bonding between the ball-catching surface leather, such as through-holes, etc., and the formed product, such as the cut surface, and cause the bonded part to separate while catching a baseball. Problems to be Solved by the Present Invention The method for manufacturing a baseball catching tool of the present invention aims to overcome the defects of the ball catching tool related to the conventional manufacturing method by improving the ball catching surface of the ball catching tool. The side of the ball-catching surface on the surface side of the base, or a part or most of the side and the finger side t'' of the ball-catching surface, which is made of small protrusions made of polyurethane molding that has a large coefficient of friction and is highly anti-slip, for easy gripping attachments for balls, etc. Embodiment The method for producing a baseball catching tool of the present invention is to maintain the performance of preventing balls from falling and preventing balls from falling off for a long time by tightly bonding them. As shown in Figure 1'), a synthetic resin coating (2) such as polyurethane resin is attached to the outer surface of a base (1) such as woven fabric, non-woven fabric, polyurethane foam, floor leather, etc. The outer surface of the coating (2) of the ball-catching part is coated with MEK as shown in Figure 1 and I and ■ in Figure 2. After treating the surface with a solvent such as , or applying a thin layer of polyurethane adhesive, dry this and apply the coating (2) on the surface-treated parts for both sides of the ball to any desired thickness. and a part or most of the side corresponding to the ball-catching part (a) or the side corresponding to the ball-catching part (a) and the side corresponding to the finger part (b) of the ball-catching parts for both sides has an arbitrary shape. A relatively small hole (8)
A non-adhesive sheet (C) comprising a large number of regularly or irregularly perforated holes such as radial or horizontal stripes is placed;
Each through hole (
8) A liquid polyurethane compound (6) having a large friction coefficient and excellent anti-slip properties is injected and filled into the inside of (8), and the injected liquid polyurethane compound (6) is hardened and molded. After that, when the sheet (c) is removed, the ball-catching parts have the ball-catching side (2) on the coating (2) as shown in FIGS. (b) Or a ball-gripping attachment with a large number of small protrusions molded from polyurethane resin, etc., which have a high coefficient of friction and are highly anti-slip, on part or most of the ball-catching side (a) and the finger side (b). (6) It is possible to mold a ball-catching surface with @. Next, sandwich the ball-catching surface leather, its inner leather, and the core material between them, and attach the leather 9 (b), web (6), etc. to the leather string (
By adding conventional means such as knitting together (g), it is possible to manufacture a baseball catching tool as shown in Fig. 5 I and (2).

Effects of the present invention> The ball catching surface leather, which is the main part of the baseball catching tool according to the manufacturing method of the present invention, mainly has the ball side (a) or the ball catching surface on the outer surface of the coating (2). A large number of holes are formed on the ball-catching surface side (a) and the finger side (b), (b), so there is no risk of the ball slipping and falling, and it also prevents the ball from falling. There is no fear that the coating (2) will be abraded directly by impact or by sand attached to the ball. Further, when the outer surface of the ball-catching surface coating (2) is closely adhered to the surface-treated polyurethane compound (6), the ball-catching surface coating (2) and each gripping attachment Φ), (B) Since the tight connection between the gripping attachments (6) and @ is further strengthened, the action of each of the gripping attachments (6) and @ can be maintained for a long time.

Specific examples〉 In addition to the basic examples described above, Fig. 1, Fig. 2 ■, and Fig. 4
As shown in Figures ■ and ■, each through hole (2), (2) provided at a predetermined location is formed so that the width of the opening edge on the lower surface side is larger than the opening edge on the upper surface side. Sheet (
C), inject and fill the liquid polyurethane compound (6) into each of the through holes (2), (2) of the sheet (Q), and then tightly attach the molded gripping attachment (6), @. A ball catching tool for baseball equipped with a supplementary ball catcher has an enlarged contact surface with the coating (2) of the ball catching parts of each gripping attachment (6), so that each gripping attachment Φ) and the ball catching tool are enlarged. Since the tight bonding between the coatings (2) of both parts can be further strengthened, there is no danger of each gripping attachment (6) falling off, and its service life can be maintained for a longer period of time.

The best materials are those made by melting and mixing pigments or by dissolving and mixing them in as small a quantity as possible of these common solvents. can be configured.

[Brief explanation of drawings]

The drawing is a schematic diagram showing a method of manufacturing a baseball catching tool according to the present invention. Figure 1 is a cross-sectional view showing the process sequence of filling and adhering the compound, which is the main part of the leather, and Figure 3 shows the ball-catching surface leather, which is also one of the main parts of the present invention. I to ■ are examples of surface views, and ■ is a cross-sectional view thereof. FIGS. 4I to 4 are partially enlarged cross-sectional views. FIGS. 6I and 6 are front views showing the ball-catching surface side of the baseball catching tool according to the manufacturing method of the present invention. Drawing code> (g)・・・・・・Ball catching surface leather, @・・・
...Gripping attachment. Φ)・・・・・・・・・Liquid polyurethane compound. (C)・・・・・・Non-adhesive sheet @...
... Upper leather. (E)・・・・・・Web section 9）・・・・・・
...Leather thong. (1)・・・・・・Base, (2)・
・・・・・・・・・Coating. (8)......through hole, (a)...
...The side corresponding to the ball catching part. (b)・・・・・・Side corresponding to the finger portion・・・・・・・
・・・・・・・・・・・・・・・・・・・・・・・・
......0 or more procedural amendment (method) 1. Indication of the case 1985 Patent Application No. 264832 2, Title of the invention (3) Process for manufacturing a ball-catching tool adopted by the person making the amendment Relationship to the case Patent applicant March 6, 1985 (Showa 60, 03) 5. Description subject to amendment (title of invention) and drawings (Figures 1 and 2) 6.
Contents of the amendment Contents of the amendment The description and drawings attached to the application have been amended as follows in accordance with the amendment instruction stated in the notice of your office dated March 6, 1985 (shipment date of the same month, 26 of the same year) regarding the invention of the present application. To do. (1) First, we would like to correct the "Title of the Invention" (stated in the third line of the first page) in the above description as follows. ``Method for manufacturing baseball catching equipment.'' (2) Next, regarding the above drawings, we will make corrections to Figures 1 and 2 according to the attached revised drawings. Written amendment to the above procedures (voluntary) 1. Display of incidents
(1) Patent Application No. 264832 of 1983, person making the amendment, description of the subject of the amendment (however, claims, detailed description of the invention, and brief description of the drawings) Contents of the amendment The invention of the present application I am voluntarily amending the details attached to the application as follows. The "Scope of Claims" (statement from page 1, line 5 to page 2, line 9) of the above specification is corrected as follows. A ball-catching surface leather part is formed by cutting a base fabric, non-woven fabric, polyurethane foam, floor leather, etc. with a synthetic resin coating such as polyurethane resin on the outer surface of the base into ball-catching sides. , M on the coating of the ball-catching surface leather part
After treating with a solvent such as EK or applying a thin layer of polyurethane adhesive, it is dried and applied to the coating on both sides of the ball, which has been subjected to such surface treatment, to an arbitrary thickness,
A relatively small through hole of an arbitrary shape is formed in a radial or horizontal striped pattern (regular or irregular) on a part or most of the side corresponding to the ball catching part or the side corresponding to the ball catching part and the side corresponding to the finger part. A non-adhesive sheet with perforations is placed on the sheet, and a liquid polyurethane compound with a high coefficient of friction and excellent anti-slip properties is injected and filled into each of the through holes of the sheet from the top side of the sheet. , A method for manufacturing a ball catching tool for baseball, characterized in that ball gripping attachments are formed on the sides of the ball catching parts of both sides of the ball □2, The liquid polyurethane compound comprises a liquid urethane prepolymer, A method for manufacturing a baseball catching tool according to claim 1, which comprises melting or mixing appropriate amounts of a curing agent, catalyst, pigment, etc. with a common solvent as small as possible. (2) Similarly, the "Detailed Description of the Invention" (No. 2) in the above specification.
The statement on page 10, line 10 to page 10, line 14) will be corrected as follows. ■The <Prior Art> section (statements from the 1st digit on page 2 to the 17th line on page 5) in the above-mentioned "Detailed Description of the Invention" is corrected as follows. "Baseball catching tools made using conventional manufacturing methods, such as baseball pitchers, gloves, first pitchers, etc., are used by both players to first catch the ball with the ball of the palm, its surroundings, or the web. Since there was a risk that a part of the ball that was in contact with the surface of the ball-catching surface could slip and cause the ball to fall, the entire surface of the base of the ball-catching side, or the entire surface of the base and the fingers. It has been proposed that a part of the baseball cap, etc., be molded with a large number of concave or convex parts using heat embossing, etc., to prevent the ball from slipping when caught. The ball equipment has radial,
Each convex portion of the rubber thin plate interposed between the outer skin portions of the ball-catching teams is fitted into a plurality of through holes arranged in a petal shape or impeller shape, etc. A ball catching tool for baseball was proposed, which was manufactured by bonding the circumferential side surface of the ball and the cut surface of each through hole in the outer leather part with an adhesive. Furthermore, in place of the above-mentioned baseball catching tool, a plurality of arbitrary pieces arranged in a radial, petal-like, impeller-like shape, etc. mainly on the ball catching part of the outer leather part of both sides of the baseball catching tool can be used. A through hole is drilled in the shape of the hole, and a liquid polyurethane compound with excellent slip resistance, flexibility, and abrasion resistance, or a liquid rubber-like elastic material having the same effect as this is injected and filled into each hole. When the liquid rubber-like elastic body material is reaction-molded without using a part of the liquid rubber-like elastic body material etc. on the cut surface of each through-hole of the outer leather, each rubber-like elastic body part and the surface A method for manufacturing a ball catching tool for baseball has been proposed in which the cut surface and inner surface of each hole in the leather part are integrally molded in close contact with each other. The section corresponding to ``Problems to be solved by the invention'' in ``Detailed explanation of the invention'' (statements from page 5, line 17 to page 6, line 8) has been corrected as follows. ``Means for Solving the Problems'' However, the ball-catching tool manufactured by the manufacturing method of the first conventional product described above has a ball-catching tool that is manufactured by the manufacturing method of the first conventional product. The anti-slip protrusions or recesses formed over a portion of each finger may restore their original shape during use or gradually disappear due to wear, etc., and not only will the anti-slip effect be lost, but the protrusions or recesses may The ball-catching part of the outer leather of both sides is heated and pressed, so when it is heated to high temperatures, it loses (hardens) the unique flexibility that natural leather has, and at the same time shrinks and deforms and deteriorates. This not only makes it difficult to catch the ball by wrapping it around the ball with the desired flexibility as a ball-catching tool, but also shortens its useful life. In the ball-catching tool manufactured by any method, the outer leather of both sides of the ball-catching device is flexible and thin, and the punched through holes are easily deformed. There are gaps between the sections, and the bonding area between the cut surface of each through hole and the circumferential surface of each rubber-like convex section is extremely small, and it is impossible to apply pressure to the bonded surface, so the bonding condition is poor. Not only is it extremely imperfect, but contamination with the adhesive is unavoidable, and the flexibility of each convex part of the outer leather and the rubber thin plate is different.In other words, the degree of bending of the two is different, so that the joint between these parts is It is easy to peel off, so sand etc. can get into the parts where these joints have peeled off, damaging the outer leather on both sides of the ball.
There were defects that significantly shortened its service life. Furthermore, the ball catching tool according to the above-mentioned conventional method of manufacturing a ball catching tool for baseball as a last resort has a structure in which the ball catching tool is inserted into relatively small through holes provided on both sides of the catching ball or into relatively large through holes. A liquid polyurethane compound, etc. injected into the cut surface and gap of a through hole into which a pre-formed filling member is fitted is injected and filled by evaporation of the solvent in the liquid polyurethane compound after filling. Volumetric shrinkage occurs, reducing the degree of close bonding between the two sides of the ball and the molded parts, such as cut-off surfaces such as through-holes, and the bonded parts peeling off while catching a baseball. Corresponds to the section ``Means for solving problems'' in the ``Detailed Description of the Invention'' in the specification (from line 9 on page 6 to line 18 on the same page). The statement in the first line has been corrected as follows: ``Means for solving the problem> The method for manufacturing a baseball catching tool of the present invention eliminates the defects in the ball catching tool related to the conventional manufacturing method described above. In order to overcome this problem, polyurethane moldings having a high coefficient of friction and high anti-slip properties are used on the ball-catching surface side of the ball-catching device, or a part or most of the side and the finger side on the surface side of the base of both sides of the ball-catching device. This invention attempts to maintain the performance of preventing balls from falling and preventing balls from falling off by tightly bonding attachments for holding balls, etc., which are made of small protrusions, in a simple manner.'' Corresponds to the <Example> section in "Explanation" (description from page 6, line 19 to page 8, line 13)
In the text, make the following corrections: ○In page 7, line 8, "...polyurethane adhesive..."
I would like to correct the statement to read "...polyurethane-based adhesive...". ■ In the section corresponding to <Effects of the invention> in the "Detailed Description of the Invention" of the above specification (descriptions from page 8, line 14 to page 9, line 12): ○Page 8, line 14 In line 9, the phrase "effects of the present invention" has been corrected to "<effects of the invention>." If it says ``Adhesive...'', please refer to [...Adhesive such as polyurethane...
"..." m) Tashima t. (3) The "Brief explanation of the drawings" (page 10, line 15 to page 11, line 15) of the above specification will be corrected as indicated. ■Page 10, No. 19 of “Brief explanation of drawings” in the above specification
In the line, "...on the base of the ball-catching surface leather..." is replaced with "...on the coating of the ball-catching parts for both sides..."
..." I corrected it. ■<Drawing code> in “Brief explanation of drawings” in the above specification
In the description in Paragraph 11, Line 10 of ``O'', the code ``rBJ'' indicating a liquid polyurethane compound will be corrected to ``(6)''. that's all

Claims (1)

[Scope of Claims] 1. A ball-catching surface made by attaching a coating of synthetic resin such as polyurethane resin to the outer surface of the base, such as base fabric, non-woven fabric, polyurethane foam, floor leather, etc., into ball-catching surface leather. A leather part is formed, and ME is applied on the coating of the ball catching surface leather part.
After treating with a solvent such as K or applying a thin layer of polyurethane adhesive, this is dried and the ball-catching surface is coated with an arbitrary thickness on the surface-treated ball-catching surface. Perforations of arbitrary shape and relatively small size are drilled regularly or irregularly in a radial or horizontal striped pattern on a part or most of the side corresponding to the ball catching part, the side corresponding to the ball catching part, and the side corresponding to the finger part. A non-adhesive sheet made of a ball-catching surface is placed on the sheet, and a liquid polyurethane compound with a high coefficient of friction and excellent anti-slip properties is injected and filled from the top side of the sheet into each of the through holes of the sheet. A method for manufacturing a ball catching tool for baseball, characterized in that a gripping attachment for a ball, etc. is formed on the side of the ball catching part of the ball catching device. 2. The liquid polyurethane compound is characterized in that it is made by mixing a liquid urethane prepolymer with appropriate amounts of a curing agent, catalyst, pigment, etc., by melting or by dissolving and mixing them in as small a amount as possible of a common solvent. A ball catching device for baseball according to item 1.